2022-05-10 14:24:09

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 00/70] 5.10.115-rc1 review

This is the start of the stable review cycle for the 5.10.115 release.
There are 70 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.

Responses should be made by Thu, 12 May 2022 13:07:16 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.115-rc1.gz
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <[email protected]>
Linux 5.10.115-rc1

Ricky WU <[email protected]>
mmc: rtsx: add 74 Clocks in power on flow

Pali Rohár <[email protected]>
PCI: aardvark: Fix reading MSI interrupt number

Pali Rohár <[email protected]>
PCI: aardvark: Clear all MSIs at setup

Mike Snitzer <[email protected]>
dm: interlock pending dm_io and dm_wait_for_bios_completion

Haimin Zhang <[email protected]>
block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern

Frederic Weisbecker <[email protected]>
rcu: Apply callbacks processing time limit only on softirq

Frederic Weisbecker <[email protected]>
rcu: Fix callbacks processing time limit retaining cond_resched()

Wanpeng Li <[email protected]>
KVM: LAPIC: Enable timer posted-interrupt only when mwait/hlt is advertised

Paolo Bonzini <[email protected]>
KVM: x86/mmu: avoid NULL-pointer dereference on page freeing bugs

Paolo Bonzini <[email protected]>
KVM: x86: Do not change ICR on write to APIC_SELF_IPI

Wanpeng Li <[email protected]>
x86/kvm: Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume

Aya Levin <[email protected]>
net/mlx5: Fix slab-out-of-bounds while reading resource dump menu

Sandipan Das <[email protected]>
kvm: x86/cpuid: Only provide CPUID leaf 0xA if host has architectural PMU

Eric Dumazet <[email protected]>
net: igmp: respect RCU rules in ip_mc_source() and ip_mc_msfilter()

Filipe Manana <[email protected]>
btrfs: always log symlinks in full mode

Sergey Shtylyov <[email protected]>
smsc911x: allow using IRQ0

Vladimir Oltean <[email protected]>
selftests: ocelot: tc_flower_chains: specify conform-exceed action for policer

Michael Chan <[email protected]>
bnxt_en: Fix unnecessary dropping of RX packets

Somnath Kotur <[email protected]>
bnxt_en: Fix possible bnxt_open() failure caused by wrong RFS flag

Ido Schimmel <[email protected]>
selftests: mirror_gre_bridge_1q: Avoid changing PVID while interface is operational

Qiao Ma <[email protected]>
hinic: fix bug of wq out of bound access

Shravya Kumbham <[email protected]>
net: emaclite: Add error handling for of_address_to_resource()

Yang Yingliang <[email protected]>
net: cpsw: add missing of_node_put() in cpsw_probe_dt()

Yang Yingliang <[email protected]>
net: stmmac: dwmac-sun8i: add missing of_node_put() in sun8i_dwmac_register_mdio_mux()

Yang Yingliang <[email protected]>
net: dsa: mt7530: add missing of_node_put() in mt7530_setup()

Yang Yingliang <[email protected]>
net: ethernet: mediatek: add missing of_node_put() in mtk_sgmii_init()

Trond Myklebust <[email protected]>
NFSv4: Don't invalidate inode attributes on delegation return

Cheng Xu <[email protected]>
RDMA/siw: Fix a condition race issue in MPA request processing

Jann Horn <[email protected]>
selftests/seccomp: Don't call read() on TTY from background pgrp

Moshe Shemesh <[email protected]>
net/mlx5: Avoid double clear or set of sync reset requested

Mark Zhang <[email protected]>
net/mlx5e: Fix the calling of update_buffer_lossy() API

Paul Blakey <[email protected]>
net/mlx5e: CT: Fix queued up restore put() executing after relevant ft release

Vlad Buslov <[email protected]>
net/mlx5e: Don't match double-vlan packets if cvlan is not set

Moshe Tal <[email protected]>
net/mlx5e: Fix trust state reset in reload

Codrin Ciubotariu <[email protected]>
ASoC: dmaengine: Restore NULL prepare_slave_config() callback

Armin Wolf <[email protected]>
hwmon: (adt7470) Fix warning on module removal

Puyou Lu <[email protected]>
gpio: pca953x: fix irq_stat not updated when irq is disabled (irq_mask not set)

Duoming Zhou <[email protected]>
NFC: netlink: fix sleep in atomic bug when firmware download timeout

Duoming Zhou <[email protected]>
nfc: nfcmrvl: main: reorder destructive operations in nfcmrvl_nci_unregister_dev to avoid bugs

Duoming Zhou <[email protected]>
nfc: replace improper check device_is_registered() in netlink related functions

Andreas Larsson <[email protected]>
can: grcan: only use the NAPI poll budget for RX

Andreas Larsson <[email protected]>
can: grcan: grcan_probe(): fix broken system id check for errata workaround needs

Daniel Hellstrom <[email protected]>
can: grcan: use ofdev->dev when allocating DMA memory

Oliver Hartkopp <[email protected]>
can: isotp: remove re-binding of bound socket

Duoming Zhou <[email protected]>
can: grcan: grcan_close(): fix deadlock

Jan Höppner <[email protected]>
s390/dasd: Fix read inconsistency for ESE DASD devices

Jan Höppner <[email protected]>
s390/dasd: Fix read for ESE with blksize < 4k

Stefan Haberland <[email protected]>
s390/dasd: prevent double format of tracks for ESE devices

Stefan Haberland <[email protected]>
s390/dasd: fix data corruption for ESE devices

Mark Brown <[email protected]>
ASoC: meson: Fix event generation for AUI CODEC mux

Mark Brown <[email protected]>
ASoC: meson: Fix event generation for G12A tohdmi mux

Mark Brown <[email protected]>
ASoC: meson: Fix event generation for AUI ACODEC mux

Mark Brown <[email protected]>
ASoC: wm8958: Fix change notifications for DSP controls

Mark Brown <[email protected]>
ASoC: da7219: Fix change notifications for tone generator frequency

Thomas Pfaff <[email protected]>
genirq: Synchronize interrupt thread startup

Tan Tee Min <[email protected]>
net: stmmac: disable Split Header (SPH) for Intel platforms

Niels Dossche <[email protected]>
firewire: core: extend card->lock in fw_core_handle_bus_reset

Jakob Koschel <[email protected]>
firewire: remove check of list iterator against head past the loop body

Chengfeng Ye <[email protected]>
firewire: fix potential uaf in outbound_phy_packet_callback()

Trond Myklebust <[email protected]>
Revert "SUNRPC: attempt AF_LOCAL connect on setup"

Harry Wentland <[email protected]>
drm/amd/display: Avoid reading audio pattern past AUDIO_CHANNELS_COUNT

David Stevens <[email protected]>
iommu/vt-d: Calculate mask for non-aligned flushes

Kyle Huey <[email protected]>
KVM: x86/svm: Account for family 17h event renumberings in amd_pmc_perf_hw_id

Andrei Lalaev <[email protected]>
gpiolib: of: fix bounds check for 'gpio-reserved-ranges'

Brian Norris <[email protected]>
mmc: core: Set HS clock speed before sending HS CMD13

Shaik Sajida Bhanu <[email protected]>
mmc: sdhci-msm: Reset GCC_SDCC_BCR register for SDHC

Takashi Sakamoto <[email protected]>
ALSA: fireworks: fix wrong return count shorter than expected by 4 bytes

Zihao Wang <[email protected]>
ALSA: hda/realtek: Add quirk for Yoga Duet 7 13ITL6 speakers

Helge Deller <[email protected]>
parisc: Merge model and model name into one line in /proc/cpuinfo

Maciej W. Rozycki <[email protected]>
MIPS: Fix CP0 counter erratum detection for R4k CPUs


-------------

Diffstat:

Makefile | 4 +-
arch/mips/include/asm/timex.h | 8 ++--
arch/mips/kernel/time.c | 11 ++----
arch/parisc/kernel/processor.c | 3 +-
arch/x86/kernel/kvm.c | 13 ++++++
arch/x86/kvm/cpuid.c | 5 +++
arch/x86/kvm/lapic.c | 10 ++---
arch/x86/kvm/mmu/mmu.c | 2 +
arch/x86/kvm/svm/pmu.c | 28 +++++++++++--
block/blk-map.c | 2 +-
drivers/firewire/core-card.c | 3 ++
drivers/firewire/core-cdev.c | 4 +-
drivers/firewire/core-topology.c | 9 ++---
drivers/firewire/core-transaction.c | 30 +++++++-------
drivers/firewire/sbp2.c | 13 +++---
drivers/gpio/gpio-pca953x.c | 4 +-
drivers/gpio/gpiolib-of.c | 2 +-
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +-
drivers/hwmon/adt7470.c | 4 +-
drivers/infiniband/sw/siw/siw_cm.c | 7 ++--
drivers/iommu/intel/iommu.c | 27 +++++++++++--
drivers/md/dm.c | 8 +++-
drivers/mmc/core/mmc.c | 23 +++++++++--
drivers/mmc/host/rtsx_pci_sdmmc.c | 31 ++++++++++-----
drivers/mmc/host/sdhci-msm.c | 42 ++++++++++++++++++++
drivers/net/can/grcan.c | 46 +++++++++++-----------
drivers/net/dsa/mt7530.c | 1 +
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 13 +++---
drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c | 7 +++-
drivers/net/ethernet/mediatek/mtk_sgmii.c | 1 +
.../ethernet/mellanox/mlx5/core/diag/rsc_dump.c | 31 ++++++++++++---
.../ethernet/mellanox/mlx5/core/en/port_buffer.c | 4 +-
drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c | 4 ++
drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 10 +++++
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 11 ++++++
drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c | 28 ++++++++-----
drivers/net/ethernet/smsc/smsc911x.c | 2 +-
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 1 +
drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 1 +
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
drivers/net/ethernet/ti/cpsw_new.c | 5 ++-
drivers/net/ethernet/xilinx/xilinx_emaclite.c | 15 +++++--
drivers/nfc/nfcmrvl/main.c | 2 +-
drivers/pci/controller/pci-aardvark.c | 16 ++++----
drivers/s390/block/dasd.c | 18 +++++++--
drivers/s390/block/dasd_eckd.c | 28 +++++++++----
drivers/s390/block/dasd_int.h | 14 +++++++
fs/btrfs/tree-log.c | 14 ++++++-
fs/nfs/nfs4proc.c | 12 +++++-
include/linux/stmmac.h | 1 +
kernel/irq/internals.h | 2 +
kernel/irq/irqdesc.c | 2 +
kernel/irq/manage.c | 39 +++++++++++++-----
kernel/rcu/tree.c | 32 ++++++++-------
net/can/isotp.c | 22 +++--------
net/ipv4/igmp.c | 9 +++--
net/nfc/core.c | 29 +++++++-------
net/nfc/netlink.c | 4 +-
net/sunrpc/xprtsock.c | 3 --
sound/firewire/fireworks/fireworks_hwdep.c | 1 +
sound/pci/hda/patch_realtek.c | 1 +
sound/soc/codecs/da7219.c | 14 +++++--
sound/soc/codecs/wm8958-dsp2.c | 8 ++--
sound/soc/meson/aiu-acodec-ctrl.c | 2 +-
sound/soc/meson/aiu-codec-ctrl.c | 2 +-
sound/soc/meson/g12a-tohdmitx.c | 2 +-
sound/soc/soc-generic-dmaengine-pcm.c | 6 +--
.../drivers/net/ocelot/tc_flower_chains.sh | 2 +-
.../net/forwarding/mirror_gre_bridge_1q.sh | 3 ++
tools/testing/selftests/seccomp/seccomp_bpf.c | 10 ++---
70 files changed, 537 insertions(+), 238 deletions(-)




2022-05-10 14:24:44

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 17/70] ASoC: da7219: Fix change notifications for tone generator frequency

From: Mark Brown <[email protected]>

commit 08ef48404965cfef99343d6bbbcf75b88c74aa0e upstream.

The tone generator frequency control just returns 0 on successful write,
not a boolean value indicating if there was a change or not. Compare
what was written with the value that was there previously so that
notifications are generated appropriately when the value changes.

Signed-off-by: Mark Brown <[email protected]>
Reviewed-by: Adam Thomson <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/soc/codecs/da7219.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)

--- a/sound/soc/codecs/da7219.c
+++ b/sound/soc/codecs/da7219.c
@@ -446,7 +446,7 @@ static int da7219_tonegen_freq_put(struc
struct soc_mixer_control *mixer_ctrl =
(struct soc_mixer_control *) kcontrol->private_value;
unsigned int reg = mixer_ctrl->reg;
- __le16 val;
+ __le16 val_new, val_old;
int ret;

/*
@@ -454,13 +454,19 @@ static int da7219_tonegen_freq_put(struc
* Therefore we need to convert to little endian here to align with
* HW registers.
*/
- val = cpu_to_le16(ucontrol->value.integer.value[0]);
+ val_new = cpu_to_le16(ucontrol->value.integer.value[0]);

mutex_lock(&da7219->ctrl_lock);
- ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
+ ret = regmap_raw_read(da7219->regmap, reg, &val_old, sizeof(val_old));
+ if (ret == 0 && (val_old != val_new))
+ ret = regmap_raw_write(da7219->regmap, reg,
+ &val_new, sizeof(val_new));
mutex_unlock(&da7219->ctrl_lock);

- return ret;
+ if (ret < 0)
+ return ret;
+
+ return val_old != val_new;
}





2022-05-10 14:41:22

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 53/70] bnxt_en: Fix unnecessary dropping of RX packets

From: Michael Chan <[email protected]>

commit 195af57914d15229186658ed26dab24b9ada4122 upstream.

In bnxt_poll_p5(), we first check cpr->has_more_work. If it is true,
we are in NAPI polling mode and we will call __bnxt_poll_cqs() to
continue polling. It is possible to exhanust the budget again when
__bnxt_poll_cqs() returns.

We then enter the main while loop to check for new entries in the NQ.
If we had previously exhausted the NAPI budget, we may call
__bnxt_poll_work() to process an RX entry with zero budget. This will
cause packets to be dropped unnecessarily, thinking that we are in the
netpoll path. Fix it by breaking out of the while loop if we need
to process an RX NQ entry with no budget left. We will then exit
NAPI and stay in polling mode.

Fixes: 389a877a3b20 ("bnxt_en: Process the NQ under NAPI continuous polling.")
Reviewed-by: Andy Gospodarek <[email protected]>
Signed-off-by: Michael Chan <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 4 ++++
1 file changed, 4 insertions(+)

--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -2575,6 +2575,10 @@ static int bnxt_poll_p5(struct napi_stru
u32 idx = le32_to_cpu(nqcmp->cq_handle_low);
struct bnxt_cp_ring_info *cpr2;

+ /* No more budget for RX work */
+ if (budget && work_done >= budget && idx == BNXT_RX_HDL)
+ break;
+
cpr2 = cpr->cp_ring_arr[idx];
work_done += __bnxt_poll_work(bp, cpr2,
budget - work_done);



2022-05-10 14:46:07

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 05/70] mmc: sdhci-msm: Reset GCC_SDCC_BCR register for SDHC

From: Shaik Sajida Bhanu <[email protected]>

commit 3e5a8e8494a8122fe4eb3f167662f406cab753b9 upstream.

Reset GCC_SDCC_BCR register before every fresh initilazation. This will
reset whole SDHC-msm controller, clears the previous power control
states and avoids, software reset timeout issues as below.

[ 5.458061][ T262] mmc1: Reset 0x1 never completed.
[ 5.462454][ T262] mmc1: sdhci: ============ SDHCI REGISTER DUMP ===========
[ 5.469065][ T262] mmc1: sdhci: Sys addr: 0x00000000 | Version: 0x00007202
[ 5.475688][ T262] mmc1: sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000
[ 5.482315][ T262] mmc1: sdhci: Argument: 0x00000000 | Trn mode: 0x00000000
[ 5.488927][ T262] mmc1: sdhci: Present: 0x01f800f0 | Host ctl: 0x00000000
[ 5.495539][ T262] mmc1: sdhci: Power: 0x00000000 | Blk gap: 0x00000000
[ 5.502162][ T262] mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x00000003
[ 5.508768][ T262] mmc1: sdhci: Timeout: 0x00000000 | Int stat: 0x00000000
[ 5.515381][ T262] mmc1: sdhci: Int enab: 0x00000000 | Sig enab: 0x00000000
[ 5.521996][ T262] mmc1: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000000
[ 5.528607][ T262] mmc1: sdhci: Caps: 0x362dc8b2 | Caps_1: 0x0000808f
[ 5.535227][ T262] mmc1: sdhci: Cmd: 0x00000000 | Max curr: 0x00000000
[ 5.541841][ T262] mmc1: sdhci: Resp[0]: 0x00000000 | Resp[1]: 0x00000000
[ 5.548454][ T262] mmc1: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000000
[ 5.555079][ T262] mmc1: sdhci: Host ctl2: 0x00000000
[ 5.559651][ T262] mmc1: sdhci_msm: ----------- VENDOR REGISTER DUMP-----------
[ 5.566621][ T262] mmc1: sdhci_msm: DLL sts: 0x00000000 | DLL cfg: 0x6000642c | DLL cfg2: 0x0020a000
[ 5.575465][ T262] mmc1: sdhci_msm: DLL cfg3: 0x00000000 | DLL usr ctl: 0x00010800 | DDR cfg: 0x80040873
[ 5.584658][ T262] mmc1: sdhci_msm: Vndr func: 0x00018a9c | Vndr func2 : 0xf88218a8 Vndr func3: 0x02626040

Fixes: 0eb0d9f4de34 ("mmc: sdhci-msm: Initial support for Qualcomm chipsets")
Signed-off-by: Shaik Sajida Bhanu <[email protected]>
Acked-by: Adrian Hunter <[email protected]>
Reviewed-by: Philipp Zabel <[email protected]>
Tested-by: Konrad Dybcio <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/mmc/host/sdhci-msm.c | 42 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)

--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -16,6 +16,7 @@
#include <linux/regulator/consumer.h>
#include <linux/interconnect.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/reset.h>

#include "sdhci-pltfm.h"
#include "cqhci.h"
@@ -2228,6 +2229,43 @@ static inline void sdhci_msm_get_of_prop
of_property_read_u32(node, "qcom,dll-config", &msm_host->dll_config);
}

+static int sdhci_msm_gcc_reset(struct device *dev, struct sdhci_host *host)
+{
+ struct reset_control *reset;
+ int ret = 0;
+
+ reset = reset_control_get_optional_exclusive(dev, NULL);
+ if (IS_ERR(reset))
+ return dev_err_probe(dev, PTR_ERR(reset),
+ "unable to acquire core_reset\n");
+
+ if (!reset)
+ return ret;
+
+ ret = reset_control_assert(reset);
+ if (ret) {
+ reset_control_put(reset);
+ return dev_err_probe(dev, ret, "core_reset assert failed\n");
+ }
+
+ /*
+ * The hardware requirement for delay between assert/deassert
+ * is at least 3-4 sleep clock (32.7KHz) cycles, which comes to
+ * ~125us (4/32768). To be on the safe side add 200us delay.
+ */
+ usleep_range(200, 210);
+
+ ret = reset_control_deassert(reset);
+ if (ret) {
+ reset_control_put(reset);
+ return dev_err_probe(dev, ret, "core_reset deassert failed\n");
+ }
+
+ usleep_range(200, 210);
+ reset_control_put(reset);
+
+ return ret;
+}

static int sdhci_msm_probe(struct platform_device *pdev)
{
@@ -2276,6 +2314,10 @@ static int sdhci_msm_probe(struct platfo

msm_host->saved_tuning_phase = INVALID_TUNING_PHASE;

+ ret = sdhci_msm_gcc_reset(&pdev->dev, host);
+ if (ret)
+ goto pltfm_free;
+
/* Setup SDCC bus voter clock. */
msm_host->bus_clk = devm_clk_get(&pdev->dev, "bus");
if (!IS_ERR(msm_host->bus_clk)) {



2022-05-10 14:49:15

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 52/70] bnxt_en: Fix possible bnxt_open() failure caused by wrong RFS flag

From: Somnath Kotur <[email protected]>

commit 13ba794397e45e52893cfc21d7a69cb5f341b407 upstream.

bnxt_open() can fail in this code path, especially on a VF when
it fails to reserve default rings:

bnxt_open()
__bnxt_open_nic()
bnxt_clear_int_mode()
bnxt_init_dflt_ring_mode()

RX rings would be set to 0 when we hit this error path.

It is possible for a subsequent bnxt_open() call to potentially succeed
with a code path like this:

bnxt_open()
bnxt_hwrm_if_change()
bnxt_fw_init_one()
bnxt_fw_init_one_p3()
bnxt_set_dflt_rfs()
bnxt_rfs_capable()
bnxt_hwrm_reserve_rings()

On older chips, RFS is capable if we can reserve the number of vnics that
is equal to RX rings + 1. But since RX rings is still set to 0 in this
code path, we may mistakenly think that RFS is supported for 0 RX rings.

Later, when the default RX rings are reserved and we try to enable
RFS, it would fail and cause bnxt_open() to fail unnecessarily.

We fix this in 2 places. bnxt_rfs_capable() will always return false if
RX rings is not yet set. bnxt_init_dflt_ring_mode() will call
bnxt_set_dflt_rfs() which will always clear the RFS flags if RFS is not
supported.

Fixes: 20d7d1c5c9b1 ("bnxt_en: reliably allocate IRQ table on reset to avoid crash")
Signed-off-by: Somnath Kotur <[email protected]>
Signed-off-by: Michael Chan <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -10453,7 +10453,7 @@ static bool bnxt_rfs_capable(struct bnxt

if (bp->flags & BNXT_FLAG_CHIP_P5)
return bnxt_rfs_supported(bp);
- if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp))
+ if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp) || !bp->rx_nr_rings)
return false;

vnics = 1 + bp->rx_nr_rings;
@@ -12481,10 +12481,9 @@ static int bnxt_init_dflt_ring_mode(stru
goto init_dflt_ring_err;

bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
- if (bnxt_rfs_supported(bp) && bnxt_rfs_capable(bp)) {
- bp->flags |= BNXT_FLAG_RFS;
- bp->dev->features |= NETIF_F_NTUPLE;
- }
+
+ bnxt_set_dflt_rfs(bp);
+
init_dflt_ring_err:
bnxt_ulp_irq_restart(bp, rc);
return rc;



2022-05-10 14:53:30

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 38/70] net/mlx5e: Dont match double-vlan packets if cvlan is not set

From: Vlad Buslov <[email protected]>

commit ada09af92e621ab500dd80a16d1d0299a18a1180 upstream.

Currently, match VLAN rule also matches packets that have multiple VLAN
headers. This behavior is similar to buggy flower classifier behavior that
has recently been fixed. Fix the issue by matching on
outer_second_cvlan_tag with value 0 which will cause the HW to verify the
packet doesn't contain second vlan header.

Fixes: 699e96ddf47f ("net/mlx5e: Support offloading tc double vlan headers match")
Signed-off-by: Vlad Buslov <[email protected]>
Reviewed-by: Maor Dickman <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 11 +++++++++++
1 file changed, 11 insertions(+)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -2396,6 +2396,17 @@ static int __parse_cls_flower(struct mlx
match.key->vlan_priority);

*match_level = MLX5_MATCH_L2;
+
+ if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) &&
+ match.mask->vlan_eth_type &&
+ MLX5_CAP_FLOWTABLE_TYPE(priv->mdev,
+ ft_field_support.outer_second_vid,
+ fs_type)) {
+ MLX5_SET(fte_match_set_misc, misc_c,
+ outer_second_cvlan_tag, 1);
+ spec->match_criteria_enable |=
+ MLX5_MATCH_MISC_PARAMETERS;
+ }
}
} else if (*match_level != MLX5_MATCH_NONE) {
/* cvlan_tag enabled in match criteria and



2022-05-10 14:53:50

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 01/70] MIPS: Fix CP0 counter erratum detection for R4k CPUs

From: Maciej W. Rozycki <[email protected]>

commit f0a6c68f69981214cb7858738dd2bc81475111f7 upstream.

Fix the discrepancy between the two places we check for the CP0 counter
erratum in along with the incorrect comparison of the R4400 revision
number against 0x30 which matches none and consistently consider all
R4000 and R4400 processors affected, as documented in processor errata
publications[1][2][3], following the mapping between CP0 PRId register
values and processor models:

PRId | Processor Model
---------+--------------------
00000422 | R4000 Revision 2.2
00000430 | R4000 Revision 3.0
00000440 | R4400 Revision 1.0
00000450 | R4400 Revision 2.0
00000460 | R4400 Revision 3.0

No other revision of either processor has ever been spotted.

Contrary to what has been stated in commit ce202cbb9e0b ("[MIPS] Assume
R4000/R4400 newer than 3.0 don't have the mfc0 count bug") marking the
CP0 counter as buggy does not preclude it from being used as either a
clock event or a clock source device. It just cannot be used as both at
a time, because in that case clock event interrupts will be occasionally
lost, and the use as a clock event device takes precedence.

Compare against 0x4ff in `can_use_mips_counter' so that a single machine
instruction is produced.


[1] "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", MIPS
Technologies Inc., May 10, 1994, Erratum 53, p.13

[2] "MIPS R4400PC/SC Errata, Processor Revision 1.0", MIPS Technologies
Inc., February 9, 1994, Erratum 21, p.4

[3] "MIPS R4400PC/SC Errata, Processor Revision 2.0 & 3.0", MIPS
Technologies Inc., January 24, 1995, Erratum 14, p.3

Signed-off-by: Maciej W. Rozycki <[email protected]>
Fixes: ce202cbb9e0b ("[MIPS] Assume R4000/R4400 newer than 3.0 don't have the mfc0 count bug")
Cc: [email protected] # v2.6.24+
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/mips/include/asm/timex.h | 8 ++++----
arch/mips/kernel/time.c | 11 +++--------
2 files changed, 7 insertions(+), 12 deletions(-)

--- a/arch/mips/include/asm/timex.h
+++ b/arch/mips/include/asm/timex.h
@@ -40,9 +40,9 @@
typedef unsigned int cycles_t;

/*
- * On R4000/R4400 before version 5.0 an erratum exists such that if the
- * cycle counter is read in the exact moment that it is matching the
- * compare register, no interrupt will be generated.
+ * On R4000/R4400 an erratum exists such that if the cycle counter is
+ * read in the exact moment that it is matching the compare register,
+ * no interrupt will be generated.
*
* There is a suggested workaround and also the erratum can't strike if
* the compare interrupt isn't being used as the clock source device.
@@ -63,7 +63,7 @@ static inline int can_use_mips_counter(u
if (!__builtin_constant_p(cpu_has_counter))
asm volatile("" : "=m" (cpu_data[0].options));
if (likely(cpu_has_counter &&
- prid >= (PRID_IMP_R4000 | PRID_REV_ENCODE_44(5, 0))))
+ prid > (PRID_IMP_R4000 | PRID_REV_ENCODE_44(15, 15))))
return 1;
else
return 0;
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -141,15 +141,10 @@ static __init int cpu_has_mfc0_count_bug
case CPU_R4400MC:
/*
* The published errata for the R4400 up to 3.0 say the CPU
- * has the mfc0 from count bug.
+ * has the mfc0 from count bug. This seems the last version
+ * produced.
*/
- if ((current_cpu_data.processor_id & 0xff) <= 0x30)
- return 1;
-
- /*
- * we assume newer revisions are ok
- */
- return 0;
+ return 1;
}

return 0;



2022-05-10 15:00:00

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 51/70] selftests: mirror_gre_bridge_1q: Avoid changing PVID while interface is operational

From: Ido Schimmel <[email protected]>

commit 3122257c02afd9f199a8fc84ae981e1fc4958532 upstream.

In emulated environments, the bridge ports enslaved to br1 get a carrier
before changing br1's PVID. This means that by the time the PVID is
changed, br1 is already operational and configured with an IPv6
link-local address.

When the test is run with netdevs registered by mlxsw, changing the PVID
is vetoed, as changing the VID associated with an existing L3 interface
is forbidden. This restriction is similar to the 8021q driver's
restriction of changing the VID of an existing interface.

Fix this by taking br1 down and bringing it back up when it is fully
configured.

With this fix, the test reliably passes on top of both the SW and HW
data paths (emulated or not).

Fixes: 239e754af854 ("selftests: forwarding: Test mirror-to-gretap w/ UL 802.1q")
Signed-off-by: Ido Schimmel <[email protected]>
Reviewed-by: Petr Machata <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh | 3 +++
1 file changed, 3 insertions(+)

--- a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
@@ -61,9 +61,12 @@ setup_prepare()

vrf_prepare
mirror_gre_topo_create
+ # Avoid changing br1's PVID while it is operational as a L3 interface.
+ ip link set dev br1 down

ip link set dev $swp3 master br1
bridge vlan add dev br1 vid 555 pvid untagged self
+ ip link set dev br1 up
ip address add dev br1 192.0.2.129/28
ip address add dev br1 2001:db8:2::1/64




2022-05-10 15:04:06

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 10/70] drm/amd/display: Avoid reading audio pattern past AUDIO_CHANNELS_COUNT

From: Harry Wentland <[email protected]>

commit 3dfe85fa87b2a26bdbd292b66653bba065cf9941 upstream.

A faulty receiver might report an erroneous channel count. We
should guard against reading beyond AUDIO_CHANNELS_COUNT as
that would overflow the dpcd_pattern_period array.

Signed-off-by: Harry Wentland <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2822,7 +2822,7 @@ static void dp_test_get_audio_test_data(
&dpcd_pattern_type.value,
sizeof(dpcd_pattern_type));

- channel_count = dpcd_test_mode.bits.channel_count + 1;
+ channel_count = min(dpcd_test_mode.bits.channel_count + 1, AUDIO_CHANNELS_COUNT);

// read pattern periods for requested channels when sawTooth pattern is requested
if (dpcd_pattern_type.value == AUDIO_TEST_PATTERN_SAWTOOTH ||



2022-05-10 15:13:32

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 18/70] ASoC: wm8958: Fix change notifications for DSP controls

From: Mark Brown <[email protected]>

commit b4f5c6b2e52b27462c0599e64e96e53b58438de1 upstream.

The WM8958 DSP controls all return 0 on successful write, not a boolean
value indicating if the write changed the value of the control. Fix this
by returning 1 after a change, there is already a check at the start of
each put() that skips the function in the case that there is no change.

Signed-off-by: Mark Brown <[email protected]>
Acked-by: Charles Keepax <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Cc: [email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/soc/codecs/wm8958-dsp2.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -530,7 +530,7 @@ static int wm8958_mbc_put(struct snd_kco

wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]);

- return 0;
+ return 1;
}

#define WM8958_MBC_SWITCH(xname, xval) {\
@@ -656,7 +656,7 @@ static int wm8958_vss_put(struct snd_kco

wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]);

- return 0;
+ return 1;
}


@@ -730,7 +730,7 @@ static int wm8958_hpf_put(struct snd_kco

wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]);

- return 0;
+ return 1;
}

#define WM8958_HPF_SWITCH(xname, xval) {\
@@ -824,7 +824,7 @@ static int wm8958_enh_eq_put(struct snd_

wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]);

- return 0;
+ return 1;
}

#define WM8958_ENH_EQ_SWITCH(xname, xval) {\



2022-05-10 15:19:14

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 49/70] net: emaclite: Add error handling for of_address_to_resource()

From: Shravya Kumbham <[email protected]>

commit 7a6bc33ab54923d325d9a1747ec9652c4361ebd1 upstream.

check the return value of of_address_to_resource() and also add
missing of_node_put() for np and npp nodes.

Fixes: e0a3bc65448c ("net: emaclite: Support multiple phys connected to one MDIO bus")
Addresses-Coverity: Event check_return value.
Signed-off-by: Shravya Kumbham <[email protected]>
Signed-off-by: Radhey Shyam Pandey <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/xilinx/xilinx_emaclite.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)

--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -820,10 +820,10 @@ static int xemaclite_mdio_write(struct m
static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
{
struct mii_bus *bus;
- int rc;
struct resource res;
struct device_node *np = of_get_parent(lp->phy_node);
struct device_node *npp;
+ int rc, ret;

/* Don't register the MDIO bus if the phy_node or its parent node
* can't be found.
@@ -833,8 +833,14 @@ static int xemaclite_mdio_setup(struct n
return -ENODEV;
}
npp = of_get_parent(np);
-
- of_address_to_resource(npp, 0, &res);
+ ret = of_address_to_resource(npp, 0, &res);
+ of_node_put(npp);
+ if (ret) {
+ dev_err(dev, "%s resource error!\n",
+ dev->of_node->full_name);
+ of_node_put(np);
+ return ret;
+ }
if (lp->ndev->mem_start != res.start) {
struct phy_device *phydev;
phydev = of_phy_find_device(lp->phy_node);
@@ -843,6 +849,7 @@ static int xemaclite_mdio_setup(struct n
"MDIO of the phy is not registered yet\n");
else
put_device(&phydev->mdio.dev);
+ of_node_put(np);
return 0;
}

@@ -855,6 +862,7 @@ static int xemaclite_mdio_setup(struct n
bus = mdiobus_alloc();
if (!bus) {
dev_err(dev, "Failed to allocate mdiobus\n");
+ of_node_put(np);
return -ENOMEM;
}

@@ -867,6 +875,7 @@ static int xemaclite_mdio_setup(struct n
bus->parent = dev;

rc = of_mdiobus_register(bus, np);
+ of_node_put(np);
if (rc) {
dev_err(dev, "Failed to register mdio bus.\n");
goto err_register;



2022-05-10 15:21:41

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 60/70] x86/kvm: Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume

From: Wanpeng Li <[email protected]>

[ Upstream commit 0361bdfddca20c8855ea3bdbbbc9c999912b10ff ]

MSR_KVM_POLL_CONTROL is cleared on reset, thus reverting guests to
host-side polling after suspend/resume. Non-bootstrap CPUs are
restored correctly by the haltpoll driver because they are hot-unplugged
during suspend and hot-plugged during resume; however, the BSP
is not hotpluggable and remains in host-sde polling mode after
the guest resume. The makes the guest pay for the cost of vmexits
every time the guest enters idle.

Fix it by recording BSP's haltpoll state and resuming it during guest
resume.

Cc: Marcelo Tosatti <[email protected]>
Signed-off-by: Wanpeng Li <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
arch/x86/kernel/kvm.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 18e952fed021..6c3d38b5a8ad 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -66,6 +66,7 @@ static DEFINE_PER_CPU_DECRYPTED(struct kvm_vcpu_pv_apf_data, apf_reason) __align
DEFINE_PER_CPU_DECRYPTED(struct kvm_steal_time, steal_time) __aligned(64) __visible;
static int has_steal_clock = 0;

+static int has_guest_poll = 0;
/*
* No need for any "IO delay" on KVM
*/
@@ -624,14 +625,26 @@ static int kvm_cpu_down_prepare(unsigned int cpu)

static int kvm_suspend(void)
{
+ u64 val = 0;
+
kvm_guest_cpu_offline(false);

+#ifdef CONFIG_ARCH_CPUIDLE_HALTPOLL
+ if (kvm_para_has_feature(KVM_FEATURE_POLL_CONTROL))
+ rdmsrl(MSR_KVM_POLL_CONTROL, val);
+ has_guest_poll = !(val & 1);
+#endif
return 0;
}

static void kvm_resume(void)
{
kvm_cpu_online(raw_smp_processor_id());
+
+#ifdef CONFIG_ARCH_CPUIDLE_HALTPOLL
+ if (kvm_para_has_feature(KVM_FEATURE_POLL_CONTROL) && has_guest_poll)
+ wrmsrl(MSR_KVM_POLL_CONTROL, 0);
+#endif
}

static struct syscore_ops kvm_syscore_ops = {
--
2.35.1




2022-05-10 15:25:06

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 15/70] net: stmmac: disable Split Header (SPH) for Intel platforms

From: Tan Tee Min <[email protected]>

commit 47f753c1108e287edb3e27fad8a7511a9d55578e upstream.

Based on DesignWare Ethernet QoS datasheet, we are seeing the limitation
of Split Header (SPH) feature is not supported for Ipv4 fragmented packet.
This SPH limitation will cause ping failure when the packets size exceed
the MTU size. For example, the issue happens once the basic ping packet
size is larger than the configured MTU size and the data is lost inside
the fragmented packet, replaced by zeros/corrupted values, and leads to
ping fail.

So, disable the Split Header for Intel platforms.

v2: Add fixes tag in commit message.

Fixes: 67afd6d1cfdf("net: stmmac: Add Split Header support and enable it in XGMAC cores")
Cc: <[email protected]> # 5.10.x
Suggested-by: Ong, Boon Leong <[email protected]>
Signed-off-by: Mohammad Athari Bin Ismail <[email protected]>
Signed-off-by: Wong Vee Khee <[email protected]>
Signed-off-by: Tan Tee Min <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 1 +
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
include/linux/stmmac.h | 1 +
3 files changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -243,6 +243,7 @@ static int intel_mgbe_common_data(struct
plat->has_gmac4 = 1;
plat->force_sf_dma_mode = 0;
plat->tso_en = 1;
+ plat->sph_disable = 1;

plat->rx_sched_algorithm = MTL_RX_ALGORITHM_SP;

--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -5046,7 +5046,7 @@ int stmmac_dvr_probe(struct device *devi
dev_info(priv->device, "TSO feature enabled\n");
}

- if (priv->dma_cap.sphen) {
+ if (priv->dma_cap.sphen && !priv->plat->sph_disable) {
ndev->hw_features |= NETIF_F_GRO;
priv->sph = true;
dev_info(priv->device, "SPH feature enabled\n");
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -203,5 +203,6 @@ struct plat_stmmacenet_data {
bool vlan_fail_q_en;
u8 vlan_fail_q;
unsigned int eee_usecs_rate;
+ bool sph_disable;
};
#endif



2022-05-10 15:27:02

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 21/70] ASoC: meson: Fix event generation for AUI CODEC mux

From: Mark Brown <[email protected]>

commit fce49921a22262736cdc3cc74fa67915b75e9363 upstream.

The AIU CODEC has a custom put() operation which returns 0 when the value
of the mux changes, meaning that events are not generated for userspace.
Change to return 1 in this case, the function returns early in the case
where there is no change.

Signed-off-by: Mark Brown <[email protected]>
Reviewed-by: Jerome Brunet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Cc: [email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/soc/meson/aiu-codec-ctrl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/meson/aiu-codec-ctrl.c
+++ b/sound/soc/meson/aiu-codec-ctrl.c
@@ -57,7 +57,7 @@ static int aiu_codec_ctrl_mux_put_enum(s

snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);

- return 0;
+ return 1;
}

static SOC_ENUM_SINGLE_DECL(aiu_hdmi_ctrl_mux_enum, AIU_HDMI_CLK_DATA_CTRL,



2022-05-10 15:28:15

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 02/70] parisc: Merge model and model name into one line in /proc/cpuinfo

From: Helge Deller <[email protected]>

commit 5b89966bc96a06f6ad65f64ae4b0461918fcc9d3 upstream.

The Linux tool "lscpu" shows the double amount of CPUs if we have
"model" and "model name" in two different lines in /proc/cpuinfo.
This change combines the model and the model name into one line.

Signed-off-by: Helge Deller <[email protected]>
Cc: [email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/parisc/kernel/processor.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -419,8 +419,7 @@ show_cpuinfo (struct seq_file *m, void *
}
seq_printf(m, " (0x%02lx)\n", boot_cpu_data.pdc.capabilities);

- seq_printf(m, "model\t\t: %s\n"
- "model name\t: %s\n",
+ seq_printf(m, "model\t\t: %s - %s\n",
boot_cpu_data.pdc.sys_model_name,
cpuinfo->dev ?
cpuinfo->dev->name : "Unknown");



2022-05-10 15:28:23

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 54/70] selftests: ocelot: tc_flower_chains: specify conform-exceed action for policer

From: Vladimir Oltean <[email protected]>

commit 5a7c5f70c743c6cf32b44b05bd6b19d4ad82f49d upstream.

As discussed here with Ido Schimmel:
https://patchwork.kernel.org/project/netdevbpf/patch/[email protected]/

the default conform-exceed action is "reclassify", for a reason we don't
really understand.

The point is that hardware can't offload that police action, so not
specifying "conform-exceed" was always wrong, even though the command
used to work in hardware (but not in software) until the kernel started
adding validation for it.

Fix the command used by the selftest by making the policer drop on
exceed, and pass the packet to the next action (goto) on conform.

Fixes: 8cd6b020b644 ("selftests: ocelot: add some example VCAP IS1, IS2 and ES0 tc offloads")
Signed-off-by: Vladimir Oltean <[email protected]>
Reviewed-by: Ido Schimmel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh
+++ b/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh
@@ -185,7 +185,7 @@ setup_prepare()

tc filter add dev $eth0 ingress chain $(IS2 0 0) pref 1 \
protocol ipv4 flower skip_sw ip_proto udp dst_port 5201 \
- action police rate 50mbit burst 64k \
+ action police rate 50mbit burst 64k conform-exceed drop/pipe \
action goto chain $(IS2 1 0)
}




2022-05-10 15:36:22

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 23/70] s390/dasd: prevent double format of tracks for ESE devices

From: Stefan Haberland <[email protected]>

commit 71f3871657370dbbaf942a1c758f64e49a36c70f upstream.

For ESE devices we get an error for write operations on an unformatted
track. Afterwards the track will be formatted and the IO operation
restarted.
When using alias devices a track might be accessed by multiple requests
simultaneously and there is a race window that a track gets formatted
twice resulting in data loss.

Prevent this by remembering the amount of formatted tracks when starting
a request and comparing this number before actually formatting a track
on the fly. If the number has changed there is a chance that the current
track was finally formatted in between. As a result do not format the
track and restart the current IO to check.

The number of formatted tracks does not match the overall number of
formatted tracks on the device and it might wrap around but this is no
problem. It is only needed to recognize that a track has been formatted at
all in between.

Fixes: 5e2b17e712cf ("s390/dasd: Add dynamic formatting support for ESE volumes")
Cc: [email protected] # 5.3+
Signed-off-by: Stefan Haberland <[email protected]>
Reviewed-by: Jan Hoeppner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/s390/block/dasd.c | 7 +++++++
drivers/s390/block/dasd_eckd.c | 19 +++++++++++++++++--
drivers/s390/block/dasd_int.h | 2 ++
3 files changed, 26 insertions(+), 2 deletions(-)

--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1462,6 +1462,13 @@ int dasd_start_IO(struct dasd_ccw_req *c
if (!cqr->lpm)
cqr->lpm = dasd_path_get_opm(device);
}
+ /*
+ * remember the amount of formatted tracks to prevent double format on
+ * ESE devices
+ */
+ if (cqr->block)
+ cqr->trkcount = atomic_read(&cqr->block->trkcount);
+
if (cqr->cpmode == 1) {
rc = ccw_device_tm_start(device->cdev, cqr->cpaddr,
(long) cqr, cqr->lpm);
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3026,13 +3026,24 @@ static int dasd_eckd_format_device(struc
}

static bool test_and_set_format_track(struct dasd_format_entry *to_format,
- struct dasd_block *block)
+ struct dasd_ccw_req *cqr)
{
+ struct dasd_block *block = cqr->block;
struct dasd_format_entry *format;
unsigned long flags;
bool rc = false;

spin_lock_irqsave(&block->format_lock, flags);
+ if (cqr->trkcount != atomic_read(&block->trkcount)) {
+ /*
+ * The number of formatted tracks has changed after request
+ * start and we can not tell if the current track was involved.
+ * To avoid data corruption treat it as if the current track is
+ * involved
+ */
+ rc = true;
+ goto out;
+ }
list_for_each_entry(format, &block->format_list, list) {
if (format->track == to_format->track) {
rc = true;
@@ -3052,6 +3063,7 @@ static void clear_format_track(struct da
unsigned long flags;

spin_lock_irqsave(&block->format_lock, flags);
+ atomic_inc(&block->trkcount);
list_del_init(&format->list);
spin_unlock_irqrestore(&block->format_lock, flags);
}
@@ -3113,8 +3125,11 @@ dasd_eckd_ese_format(struct dasd_device
}
format->track = curr_trk;
/* test if track is already in formatting by another thread */
- if (test_and_set_format_track(format, block))
+ if (test_and_set_format_track(format, cqr)) {
+ /* this is no real error so do not count down retries */
+ cqr->retries++;
return ERR_PTR(-EEXIST);
+ }

fdata.start_unit = curr_trk;
fdata.stop_unit = curr_trk;
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -188,6 +188,7 @@ struct dasd_ccw_req {
void (*callback)(struct dasd_ccw_req *, void *data);
void *callback_data;
unsigned int proc_bytes; /* bytes for partial completion */
+ unsigned int trkcount; /* count formatted tracks */
};

/*
@@ -575,6 +576,7 @@ struct dasd_block {

struct list_head format_list;
spinlock_t format_lock;
+ atomic_t trkcount;
};

struct dasd_attention_data {



2022-05-10 15:36:23

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 39/70] net/mlx5e: CT: Fix queued up restore put() executing after relevant ft release

From: Paul Blakey <[email protected]>

commit b069e14fff46c8da9fcc79957f8acaa3e2dfdb6b upstream.

__mlx5_tc_ct_entry_put() queues release of tuple related to some ct FT,
if that is the last reference to that tuple, the actual deletion of
the tuple can happen after the FT is already destroyed and freed.

Flush the used workqueue before destroying the ct FT.

Fixes: a2173131526d ("net/mlx5e: CT: manage the lifetime of the ct entry object")
Reviewed-by: Oz Shlomo <[email protected]>
Signed-off-by: Paul Blakey <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c | 4 ++++
1 file changed, 4 insertions(+)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
@@ -1629,6 +1629,8 @@ mlx5_tc_ct_flush_ft_entry(void *ptr, voi
static void
mlx5_tc_ct_del_ft_cb(struct mlx5_tc_ct_priv *ct_priv, struct mlx5_ct_ft *ft)
{
+ struct mlx5e_priv *priv;
+
if (!refcount_dec_and_test(&ft->refcount))
return;

@@ -1638,6 +1640,8 @@ mlx5_tc_ct_del_ft_cb(struct mlx5_tc_ct_p
rhashtable_free_and_destroy(&ft->ct_entries_ht,
mlx5_tc_ct_flush_ft_entry,
ct_priv);
+ priv = netdev_priv(ct_priv->netdev);
+ flush_workqueue(priv->wq);
mlx5_tc_ct_free_pre_ct_tables(ft);
mapping_remove(ct_priv->zone_mapping, ft->zone_restore_id);
kfree(ft);



2022-05-10 15:45:02

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 11/70] Revert "SUNRPC: attempt AF_LOCAL connect on setup"

From: Trond Myklebust <[email protected]>

commit a3d0562d4dc039bca39445e1cddde7951662e17d upstream.

This reverts commit 7073ea8799a8cf73db60270986f14e4aae20fa80.

We must not try to connect the socket while the transport is under
construction, because the mechanisms to safely tear it down are not in
place. As the code stands, we end up leaking the sockets on a connection
error.

Reported-by: wanghai (M) <[email protected]>
Cc: [email protected]
Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/sunrpc/xprtsock.c | 3 ---
1 file changed, 3 deletions(-)

--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2826,9 +2826,6 @@ static struct rpc_xprt *xs_setup_local(s
}
xprt_set_bound(xprt);
xs_format_peer_addresses(xprt, "local", RPCBIND_NETID_LOCAL);
- ret = ERR_PTR(xs_local_setup_socket(transport));
- if (ret)
- goto out_err;
break;
default:
ret = ERR_PTR(-EAFNOSUPPORT);



2022-05-10 15:45:13

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 12/70] firewire: fix potential uaf in outbound_phy_packet_callback()

From: Chengfeng Ye <[email protected]>

commit b7c81f80246fac44077166f3e07103affe6db8ff upstream.

&e->event and e point to the same address, and &e->event could
be freed in queue_event. So there is a potential uaf issue if
we dereference e after calling queue_event(). Fix this by adding
a temporary variable to maintain e->client in advance, this can
avoid the potential uaf issue.

Cc: <[email protected]>
Signed-off-by: Chengfeng Ye <[email protected]>
Signed-off-by: Takashi Sakamoto <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/firewire/core-cdev.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -1480,6 +1480,7 @@ static void outbound_phy_packet_callback
{
struct outbound_phy_packet_event *e =
container_of(packet, struct outbound_phy_packet_event, p);
+ struct client *e_client;

switch (status) {
/* expected: */
@@ -1496,9 +1497,10 @@ static void outbound_phy_packet_callback
}
e->phy_packet.data[0] = packet->timestamp;

+ e_client = e->client;
queue_event(e->client, &e->event, &e->phy_packet,
sizeof(e->phy_packet) + e->phy_packet.length, NULL, 0);
- client_put(e->client);
+ client_put(e_client);
}

static int ioctl_send_phy_packet(struct client *client, union ioctl_arg *arg)



2022-05-10 15:45:18

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 30/70] can: grcan: only use the NAPI poll budget for RX

From: Andreas Larsson <[email protected]>

commit 2873d4d52f7c52d60b316ba6c47bd7122b5a9861 upstream.

The previous split budget between TX and RX made it return not using
the entire budget but at the same time not having calling called
napi_complete. This sometimes led to the poll to not be called, and at
the same time having TX and RX interrupts disabled resulting in the
driver getting stuck.

Fixes: 6cec9b07fe6a ("can: grcan: Add device driver for GRCAN and GRHCAN cores")
Link: https://lore.kernel.org/all/[email protected]
Cc: [email protected]
Signed-off-by: Andreas Larsson <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/can/grcan.c | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)

--- a/drivers/net/can/grcan.c
+++ b/drivers/net/can/grcan.c
@@ -1137,7 +1137,7 @@ static int grcan_close(struct net_device
return 0;
}

-static int grcan_transmit_catch_up(struct net_device *dev, int budget)
+static void grcan_transmit_catch_up(struct net_device *dev)
{
struct grcan_priv *priv = netdev_priv(dev);
unsigned long flags;
@@ -1145,7 +1145,7 @@ static int grcan_transmit_catch_up(struc

spin_lock_irqsave(&priv->lock, flags);

- work_done = catch_up_echo_skb(dev, budget, true);
+ work_done = catch_up_echo_skb(dev, -1, true);
if (work_done) {
if (!priv->resetting && !priv->closing &&
!(priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY))
@@ -1159,8 +1159,6 @@ static int grcan_transmit_catch_up(struc
}

spin_unlock_irqrestore(&priv->lock, flags);
-
- return work_done;
}

static int grcan_receive(struct net_device *dev, int budget)
@@ -1242,19 +1240,13 @@ static int grcan_poll(struct napi_struct
struct net_device *dev = priv->dev;
struct grcan_registers __iomem *regs = priv->regs;
unsigned long flags;
- int tx_work_done, rx_work_done;
- int rx_budget = budget / 2;
- int tx_budget = budget - rx_budget;
+ int work_done;

- /* Half of the budget for receiving messages */
- rx_work_done = grcan_receive(dev, rx_budget);
+ work_done = grcan_receive(dev, budget);

- /* Half of the budget for transmitting messages as that can trigger echo
- * frames being received
- */
- tx_work_done = grcan_transmit_catch_up(dev, tx_budget);
+ grcan_transmit_catch_up(dev);

- if (rx_work_done < rx_budget && tx_work_done < tx_budget) {
+ if (work_done < budget) {
napi_complete(napi);

/* Guarantee no interference with a running reset that otherwise
@@ -1271,7 +1263,7 @@ static int grcan_poll(struct napi_struct
spin_unlock_irqrestore(&priv->lock, flags);
}

- return rx_work_done + tx_work_done;
+ return work_done;
}

/* Work tx bug by waiting while for the risky situation to clear. If that fails,



2022-05-10 15:58:18

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 42/70] selftests/seccomp: Dont call read() on TTY from background pgrp

From: Jann Horn <[email protected]>

commit 2bfed7d2ffa5d86c462d3e2067f2832eaf8c04c7 upstream.

Since commit 92d25637a3a4 ("kselftest: signal all child processes"), tests
are executed in background process groups. This means that trying to read
from stdin now throws SIGTTIN when stdin is a TTY, which breaks some
seccomp selftests that try to use read(0, NULL, 0) as a dummy syscall.

The simplest way to fix that is probably to just use -1 instead of 0 as
the dummy read()'s FD.

Fixes: 92d25637a3a4 ("kselftest: signal all child processes")
Signed-off-by: Jann Horn <[email protected]>
Signed-off-by: Kees Cook <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
tools/testing/selftests/seccomp/seccomp_bpf.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -951,7 +951,7 @@ TEST(ERRNO_valid)
ASSERT_EQ(0, ret);

EXPECT_EQ(parent, syscall(__NR_getppid));
- EXPECT_EQ(-1, read(0, NULL, 0));
+ EXPECT_EQ(-1, read(-1, NULL, 0));
EXPECT_EQ(E2BIG, errno);
}

@@ -970,7 +970,7 @@ TEST(ERRNO_zero)

EXPECT_EQ(parent, syscall(__NR_getppid));
/* "errno" of 0 is ok. */
- EXPECT_EQ(0, read(0, NULL, 0));
+ EXPECT_EQ(0, read(-1, NULL, 0));
}

/*
@@ -991,7 +991,7 @@ TEST(ERRNO_capped)
ASSERT_EQ(0, ret);

EXPECT_EQ(parent, syscall(__NR_getppid));
- EXPECT_EQ(-1, read(0, NULL, 0));
+ EXPECT_EQ(-1, read(-1, NULL, 0));
EXPECT_EQ(4095, errno);
}

@@ -1022,7 +1022,7 @@ TEST(ERRNO_order)
ASSERT_EQ(0, ret);

EXPECT_EQ(parent, syscall(__NR_getppid));
- EXPECT_EQ(-1, read(0, NULL, 0));
+ EXPECT_EQ(-1, read(-1, NULL, 0));
EXPECT_EQ(12, errno);
}

@@ -2575,7 +2575,7 @@ void *tsync_sibling(void *data)
ret = prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0);
if (!ret)
return (void *)SIBLING_EXIT_NEWPRIVS;
- read(0, NULL, 0);
+ read(-1, NULL, 0);
return (void *)SIBLING_EXIT_UNKILLED;
}




2022-05-10 15:58:20

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 16/70] genirq: Synchronize interrupt thread startup

From: Thomas Pfaff <[email protected]>

commit 8707898e22fd665bc1d7b18b809be4b56ce25bdd upstream.

A kernel hang can be observed when running setserial in a loop on a kernel
with force threaded interrupts. The sequence of events is:

setserial
open("/dev/ttyXXX")
request_irq()
do_stuff()
-> serial interrupt
-> wake(irq_thread)
desc->threads_active++;
close()
free_irq()
kthread_stop(irq_thread)
synchronize_irq() <- hangs because desc->threads_active != 0

The thread is created in request_irq() and woken up, but does not get on a
CPU to reach the actual thread function, which would handle the pending
wake-up. kthread_stop() sets the should stop condition which makes the
thread immediately exit, which in turn leaves the stale threads_active
count around.

This problem was introduced with commit 519cc8652b3a, which addressed a
interrupt sharing issue in the PCIe code.

Before that commit free_irq() invoked synchronize_irq(), which waits for
the hard interrupt handler and also for associated threads to complete.

To address the PCIe issue synchronize_irq() was replaced with
__synchronize_hardirq(), which only waits for the hard interrupt handler to
complete, but not for threaded handlers.

This was done under the assumption, that the interrupt thread already
reached the thread function and waits for a wake-up, which is guaranteed to
be handled before acting on the stop condition. The problematic case, that
the thread would not reach the thread function, was obviously overlooked.

Make sure that the interrupt thread is really started and reaches
thread_fn() before returning from __setup_irq().

This utilizes the existing wait queue in the interrupt descriptor. The
wait queue is unused for non-shared interrupts. For shared interrupts the
usage might cause a spurious wake-up of a waiter in synchronize_irq() or the
completion of a threaded handler might cause a spurious wake-up of the
waiter for the ready flag. Both are harmless and have no functional impact.

[ tglx: Amended changelog ]

Fixes: 519cc8652b3a ("genirq: Synchronize only with single thread on free_irq()")
Signed-off-by: Thomas Pfaff <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Marc Zyngier <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
kernel/irq/internals.h | 2 ++
kernel/irq/irqdesc.c | 2 ++
kernel/irq/manage.c | 39 +++++++++++++++++++++++++++++----------
3 files changed, 33 insertions(+), 10 deletions(-)

--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -29,12 +29,14 @@ extern struct irqaction chained_action;
* IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed
* IRQTF_AFFINITY - irq thread is requested to adjust affinity
* IRQTF_FORCED_THREAD - irq action is force threaded
+ * IRQTF_READY - signals that irq thread is ready
*/
enum {
IRQTF_RUNTHREAD,
IRQTF_WARNED,
IRQTF_AFFINITY,
IRQTF_FORCED_THREAD,
+ IRQTF_READY,
};

/*
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -405,6 +405,7 @@ static struct irq_desc *alloc_desc(int i
lockdep_set_class(&desc->lock, &irq_desc_lock_class);
mutex_init(&desc->request_mutex);
init_rcu_head(&desc->rcu);
+ init_waitqueue_head(&desc->wait_for_threads);

desc_set_defaults(irq, desc, node, affinity, owner);
irqd_set(&desc->irq_data, flags);
@@ -573,6 +574,7 @@ int __init early_irq_init(void)
raw_spin_lock_init(&desc[i].lock);
lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
mutex_init(&desc[i].request_mutex);
+ init_waitqueue_head(&desc[i].wait_for_threads);
desc_set_defaults(i, &desc[i], node, NULL, NULL);
}
return arch_early_irq_init();
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1149,6 +1149,31 @@ static void irq_wake_secondary(struct ir
}

/*
+ * Internal function to notify that a interrupt thread is ready.
+ */
+static void irq_thread_set_ready(struct irq_desc *desc,
+ struct irqaction *action)
+{
+ set_bit(IRQTF_READY, &action->thread_flags);
+ wake_up(&desc->wait_for_threads);
+}
+
+/*
+ * Internal function to wake up a interrupt thread and wait until it is
+ * ready.
+ */
+static void wake_up_and_wait_for_irq_thread_ready(struct irq_desc *desc,
+ struct irqaction *action)
+{
+ if (!action || !action->thread)
+ return;
+
+ wake_up_process(action->thread);
+ wait_event(desc->wait_for_threads,
+ test_bit(IRQTF_READY, &action->thread_flags));
+}
+
+/*
* Interrupt handler thread
*/
static int irq_thread(void *data)
@@ -1159,6 +1184,8 @@ static int irq_thread(void *data)
irqreturn_t (*handler_fn)(struct irq_desc *desc,
struct irqaction *action);

+ irq_thread_set_ready(desc, action);
+
if (force_irqthreads && test_bit(IRQTF_FORCED_THREAD,
&action->thread_flags))
handler_fn = irq_forced_thread_fn;
@@ -1583,8 +1610,6 @@ __setup_irq(unsigned int irq, struct irq
}

if (!shared) {
- init_waitqueue_head(&desc->wait_for_threads);
-
/* Setup the type (level, edge polarity) if configured: */
if (new->flags & IRQF_TRIGGER_MASK) {
ret = __irq_set_trigger(desc,
@@ -1674,14 +1699,8 @@ __setup_irq(unsigned int irq, struct irq

irq_setup_timings(desc, new);

- /*
- * Strictly no need to wake it up, but hung_task complains
- * when no hard interrupt wakes the thread up.
- */
- if (new->thread)
- wake_up_process(new->thread);
- if (new->secondary)
- wake_up_process(new->secondary->thread);
+ wake_up_and_wait_for_irq_thread_ready(desc, new);
+ wake_up_and_wait_for_irq_thread_ready(desc, new->secondary);

register_irq_proc(irq, desc);
new->dir = NULL;



2022-05-10 16:00:08

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 27/70] can: isotp: remove re-binding of bound socket

From: Oliver Hartkopp <[email protected]>

commit 72ed3ee9fa0b461ad086403a8b5336154bd82234 upstream.

As a carry over from the CAN_RAW socket (which allows to change the CAN
interface while mantaining the filter setup) the re-binding of the
CAN_ISOTP socket needs to take care about CAN ID address information and
subscriptions. It turned out that this feature is so limited (e.g. the
sockopts remain fix) that it finally has never been needed/used.

In opposite to the stateless CAN_RAW socket the switching of the CAN ID
subscriptions might additionally lead to an interrupted ongoing PDU
reception. So better remove this unneeded complexity.

Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol")
Link: https://lore.kernel.org/all/[email protected]
Cc: [email protected]
Signed-off-by: Oliver Hartkopp <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/can/isotp.c | 22 +++++-----------------
1 file changed, 5 insertions(+), 17 deletions(-)

--- a/net/can/isotp.c
+++ b/net/can/isotp.c
@@ -1144,6 +1144,11 @@ static int isotp_bind(struct socket *soc

lock_sock(sk);

+ if (so->bound) {
+ err = -EINVAL;
+ goto out;
+ }
+
/* do not register frame reception for functional addressing */
if (so->opt.flags & CAN_ISOTP_SF_BROADCAST)
do_rx_reg = 0;
@@ -1154,10 +1159,6 @@ static int isotp_bind(struct socket *soc
goto out;
}

- if (so->bound && addr->can_ifindex == so->ifindex &&
- rx_id == so->rxid && tx_id == so->txid)
- goto out;
-
dev = dev_get_by_index(net, addr->can_ifindex);
if (!dev) {
err = -ENODEV;
@@ -1184,19 +1185,6 @@ static int isotp_bind(struct socket *soc

dev_put(dev);

- if (so->bound && do_rx_reg) {
- /* unregister old filter */
- if (so->ifindex) {
- dev = dev_get_by_index(net, so->ifindex);
- if (dev) {
- can_rx_unregister(net, dev, so->rxid,
- SINGLE_MASK(so->rxid),
- isotp_rcv, sk);
- dev_put(dev);
- }
- }
- }
-
/* switch to new settings */
so->ifindex = ifindex;
so->rxid = rx_id;



2022-05-10 16:28:39

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 46/70] net: dsa: mt7530: add missing of_node_put() in mt7530_setup()

From: Yang Yingliang <[email protected]>

commit a9e9b091a1c14ecd8bd9d3214a62142a1786fe30 upstream.

Add of_node_put() if of_get_phy_mode() fails in mt7530_setup()

Fixes: 0c65b2b90d13 ("net: of_get_phy_mode: Change API to solve int/unit warnings")
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Yang Yingliang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/dsa/mt7530.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1663,6 +1663,7 @@ mt7530_setup(struct dsa_switch *ds)
ret = of_get_phy_mode(mac_np, &interface);
if (ret && ret != -ENODEV) {
of_node_put(mac_np);
+ of_node_put(phy_node);
return ret;
}
id = of_mdio_parse_addr(ds->dev, phy_node);



2022-05-10 16:35:50

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 44/70] NFSv4: Dont invalidate inode attributes on delegation return

From: Trond Myklebust <[email protected]>

commit 00c94ebec5925593c0377b941289224469e72ac7 upstream.

There is no need to declare attributes such as the ctime, mtime and
block size invalid when we're just returning a delegation, so it is
inappropriate to call nfs_post_op_update_inode_force_wcc().
Instead, just call nfs_refresh_inode() after faking up the change
attribute. We know that the GETATTR op occurs before the DELEGRETURN, so
we are safe when doing this.

Fixes: 0bc2c9b4dca9 ("NFSv4: Don't discard the attributes returned by asynchronous DELEGRETURN")
Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/nfs/nfs4proc.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)

--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -369,6 +369,14 @@ static void nfs4_setup_readdir(u64 cooki
kunmap_atomic(start);
}

+static void nfs4_fattr_set_prechange(struct nfs_fattr *fattr, u64 version)
+{
+ if (!(fattr->valid & NFS_ATTR_FATTR_PRECHANGE)) {
+ fattr->pre_change_attr = version;
+ fattr->valid |= NFS_ATTR_FATTR_PRECHANGE;
+ }
+}
+
static void nfs4_test_and_free_stateid(struct nfs_server *server,
nfs4_stateid *stateid,
const struct cred *cred)
@@ -6464,7 +6472,9 @@ static void nfs4_delegreturn_release(voi
pnfs_roc_release(&data->lr.arg, &data->lr.res,
data->res.lr_ret);
if (inode) {
- nfs_post_op_update_inode_force_wcc(inode, &data->fattr);
+ nfs4_fattr_set_prechange(&data->fattr,
+ inode_peek_iversion_raw(inode));
+ nfs_refresh_inode(inode, &data->fattr);
nfs_iput_and_deactive(inode);
}
kfree(calldata);



2022-05-10 16:47:10

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 04/70] ALSA: fireworks: fix wrong return count shorter than expected by 4 bytes

From: Takashi Sakamoto <[email protected]>

commit eb9d84b0ffe39893cb23b0b6712bbe3637fa25fa upstream.

ALSA fireworks driver has a bug in its initial state to return count
shorter than expected by 4 bytes to userspace applications when handling
response frame for Echo Audio Fireworks transaction. It's due to missing
addition of the size for the type of event in ALSA firewire stack.

Fixes: 555e8a8f7f14 ("ALSA: fireworks: Add command/response functionality into hwdep interface")
Cc: <[email protected]>
Signed-off-by: Takashi Sakamoto <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/firewire/fireworks/fireworks_hwdep.c | 1 +
1 file changed, 1 insertion(+)

--- a/sound/firewire/fireworks/fireworks_hwdep.c
+++ b/sound/firewire/fireworks/fireworks_hwdep.c
@@ -34,6 +34,7 @@ hwdep_read_resp_buf(struct snd_efw *efw,
type = SNDRV_FIREWIRE_EVENT_EFW_RESPONSE;
if (copy_to_user(buf, &type, sizeof(type)))
return -EFAULT;
+ count += sizeof(type);
remained -= sizeof(type);
buf += sizeof(type);




2022-05-10 16:55:53

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 50/70] hinic: fix bug of wq out of bound access

From: Qiao Ma <[email protected]>

commit 52b2abef450a78e25d485ac61e32f4ce86a87701 upstream.

If wq has only one page, we need to check wqe rolling over page by
compare end_idx and curr_idx, and then copy wqe to shadow wqe to
avoid out of bound access.
This work has been done in hinic_get_wqe, but missed for hinic_read_wqe.
This patch fixes it, and removes unnecessary MASKED_WQE_IDX().

Fixes: 7dd29ee12865 ("hinic: add sriov feature support")
Signed-off-by: Qiao Ma <[email protected]>
Reviewed-by: Xunlei Pang <[email protected]>
Link: https://lore.kernel.org/r/282817b0e1ae2e28fdf3ed8271a04e77f57bf42e.1651148587.git.mqaio@linux.alibaba.com
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
@@ -771,7 +771,7 @@ struct hinic_hw_wqe *hinic_get_wqe(struc
/* If we only have one page, still need to get shadown wqe when
* wqe rolling-over page
*/
- if (curr_pg != end_pg || MASKED_WQE_IDX(wq, end_prod_idx) < *prod_idx) {
+ if (curr_pg != end_pg || end_prod_idx < *prod_idx) {
void *shadow_addr = &wq->shadow_wqe[curr_pg * wq->max_wqe_size];

copy_wqe_to_shadow(wq, shadow_addr, num_wqebbs, *prod_idx);
@@ -841,7 +841,10 @@ struct hinic_hw_wqe *hinic_read_wqe(stru

*cons_idx = curr_cons_idx;

- if (curr_pg != end_pg) {
+ /* If we only have one page, still need to get shadown wqe when
+ * wqe rolling-over page
+ */
+ if (curr_pg != end_pg || end_cons_idx < curr_cons_idx) {
void *shadow_addr = &wq->shadow_wqe[curr_pg * wq->max_wqe_size];

copy_wqe_to_shadow(wq, shadow_addr, num_wqebbs, *cons_idx);



2022-05-10 17:26:15

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 19/70] ASoC: meson: Fix event generation for AUI ACODEC mux

From: Mark Brown <[email protected]>

commit 2e3a0d1bfa95b54333f7add3e50e288769373873 upstream.

The AIU ACODEC has a custom put() operation which returns 0 when the value
of the mux changes, meaning that events are not generated for userspace.
Change to return 1 in this case, the function returns early in the case
where there is no change.

Signed-off-by: Mark Brown <[email protected]>
Reviewed-by: Jerome Brunet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Cc: [email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/soc/meson/aiu-acodec-ctrl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/meson/aiu-acodec-ctrl.c
+++ b/sound/soc/meson/aiu-acodec-ctrl.c
@@ -58,7 +58,7 @@ static int aiu_acodec_ctrl_mux_put_enum(

snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);

- return 0;
+ return 1;
}

static SOC_ENUM_SINGLE_DECL(aiu_acodec_ctrl_mux_enum, AIU_ACODEC_CTRL,



2022-05-10 17:34:21

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 22/70] s390/dasd: fix data corruption for ESE devices

From: Stefan Haberland <[email protected]>

commit 5b53a405e4658580e1faf7c217db3f55a21ba849 upstream.

For ESE devices we get an error when accessing an unformatted track.
The handling of this error will return zero data for read requests and
format the track on demand before writing to it. To do this the code needs
to distinguish between read and write requests. This is done with data from
the blocklayer request. A pointer to the blocklayer request is stored in
the CQR.

If there is an error on the device an ERP request is built to do error
recovery. While the ERP request is mostly a copy of the original CQR the
pointer to the blocklayer request is not copied to not accidentally pass
it back to the blocklayer without cleanup.

This leads to the error that during ESE handling after an ERP request was
built it is not possible to determine the IO direction. This leads to the
formatting of a track for read requests which might in turn lead to data
corruption.

Fixes: 5e2b17e712cf ("s390/dasd: Add dynamic formatting support for ESE volumes")
Cc: [email protected] # 5.3+
Signed-off-by: Stefan Haberland <[email protected]>
Reviewed-by: Jan Hoeppner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/s390/block/dasd.c | 8 +++++++-
drivers/s390/block/dasd_eckd.c | 2 +-
drivers/s390/block/dasd_int.h | 12 ++++++++++++
3 files changed, 20 insertions(+), 2 deletions(-)

--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1680,6 +1680,7 @@ void dasd_int_handler(struct ccw_device
unsigned long now;
int nrf_suppressed = 0;
int fp_suppressed = 0;
+ struct request *req;
u8 *sense = NULL;
int expires;

@@ -1780,7 +1781,12 @@ void dasd_int_handler(struct ccw_device
}

if (dasd_ese_needs_format(cqr->block, irb)) {
- if (rq_data_dir((struct request *)cqr->callback_data) == READ) {
+ req = dasd_get_callback_data(cqr);
+ if (!req) {
+ cqr->status = DASD_CQR_ERROR;
+ return;
+ }
+ if (rq_data_dir(req) == READ) {
device->discipline->ese_read(cqr, irb);
cqr->status = DASD_CQR_SUCCESS;
cqr->stopclk = now;
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3088,7 +3088,7 @@ dasd_eckd_ese_format(struct dasd_device
sector_t curr_trk;
int rc;

- req = cqr->callback_data;
+ req = dasd_get_callback_data(cqr);
block = cqr->block;
base = block->base;
private = base->private;
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -723,6 +723,18 @@ dasd_check_blocksize(int bsize)
return 0;
}

+/*
+ * return the callback data of the original request in case there are
+ * ERP requests build on top of it
+ */
+static inline void *dasd_get_callback_data(struct dasd_ccw_req *cqr)
+{
+ while (cqr->refers)
+ cqr = cqr->refers;
+
+ return cqr->callback_data;
+}
+
/* externals in dasd.c */
#define DASD_PROFILE_OFF 0
#define DASD_PROFILE_ON 1



2022-05-10 17:41:21

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 43/70] RDMA/siw: Fix a condition race issue in MPA request processing

From: Cheng Xu <[email protected]>

commit ef91271c65c12d36e4c2b61c61d4849fb6d11aa0 upstream.

The calling of siw_cm_upcall and detaching new_cep with its listen_cep
should be atomistic semantics. Otherwise siw_reject may be called in a
temporary state, e,g, siw_cm_upcall is called but the new_cep->listen_cep
has not being cleared.

This fixes a WARN:

WARNING: CPU: 7 PID: 201 at drivers/infiniband/sw/siw/siw_cm.c:255 siw_cep_put+0x125/0x130 [siw]
CPU: 2 PID: 201 Comm: kworker/u16:22 Kdump: loaded Tainted: G E 5.17.0-rc7 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: iw_cm_wq cm_work_handler [iw_cm]
RIP: 0010:siw_cep_put+0x125/0x130 [siw]
Call Trace:
<TASK>
siw_reject+0xac/0x180 [siw]
iw_cm_reject+0x68/0xc0 [iw_cm]
cm_work_handler+0x59d/0xe20 [iw_cm]
process_one_work+0x1e2/0x3b0
worker_thread+0x50/0x3a0
? rescuer_thread+0x390/0x390
kthread+0xe5/0x110
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x1f/0x30
</TASK>

Fixes: 6c52fdc244b5 ("rdma/siw: connection management")
Link: https://lore.kernel.org/r/d528d83466c44687f3872eadcb8c184528b2e2d4.1650526554.git.chengyou@linux.alibaba.com
Reported-by: Luis Chamberlain <[email protected]>
Reviewed-by: Bernard Metzler <[email protected]>
Signed-off-by: Cheng Xu <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/infiniband/sw/siw/siw_cm.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -968,14 +968,15 @@ static void siw_accept_newconn(struct si

siw_cep_set_inuse(new_cep);
rv = siw_proc_mpareq(new_cep);
- siw_cep_set_free(new_cep);
-
if (rv != -EAGAIN) {
siw_cep_put(cep);
new_cep->listen_cep = NULL;
- if (rv)
+ if (rv) {
+ siw_cep_set_free(new_cep);
goto error;
+ }
}
+ siw_cep_set_free(new_cep);
}
return;




2022-05-10 18:08:59

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 03/70] ALSA: hda/realtek: Add quirk for Yoga Duet 7 13ITL6 speakers

From: Zihao Wang <[email protected]>

commit 3b79954fd00d540677c97a560622b73f3a1f4e28 upstream.

Lenovo Yoga Duet 7 13ITL6 has Realtek ALC287 and built-in
speakers do not work out of the box. The fix developed for
Yoga 7i 14ITL5 also enables speaker output for this model.

Signed-off-by: Zihao Wang <[email protected]>
Cc: <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/pci/hda/patch_realtek.c | 1 +
1 file changed, 1 insertion(+)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -8969,6 +8969,7 @@ static const struct snd_pci_quirk alc269
SND_PCI_QUIRK(0x17aa, 0x3813, "Legion 7i 15IMHG05", ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS),
SND_PCI_QUIRK(0x17aa, 0x3818, "Lenovo C940", ALC298_FIXUP_LENOVO_SPK_VOLUME),
SND_PCI_QUIRK(0x17aa, 0x3819, "Lenovo 13s Gen2 ITL", ALC287_FIXUP_13S_GEN2_SPEAKERS),
+ SND_PCI_QUIRK(0x17aa, 0x3820, "Yoga Duet 7 13ITL6", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS),
SND_PCI_QUIRK(0x17aa, 0x3824, "Legion Y9000X 2020", ALC285_FIXUP_LEGION_Y9000X_SPEAKERS),
SND_PCI_QUIRK(0x17aa, 0x3827, "Ideapad S740", ALC285_FIXUP_IDEAPAD_S740_COEF),
SND_PCI_QUIRK(0x17aa, 0x3834, "Lenovo IdeaPad Slim 9i 14ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS),



2022-05-10 18:10:31

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 66/70] block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern

From: Haimin Zhang <[email protected]>

commit cc8f7fe1f5eab010191aa4570f27641876fa1267 upstream.

Add __GFP_ZERO flag for alloc_page in function bio_copy_kern to initialize
the buffer of a bio.

Signed-off-by: Haimin Zhang <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
[nobelbarakat: Backported to 5.10: Manually added flag]
Signed-off-by: Nobel Barakat <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
block/blk-map.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -488,7 +488,7 @@ static struct bio *bio_copy_kern(struct
if (bytes > len)
bytes = len;

- page = alloc_page(q->bounce_gfp | gfp_mask);
+ page = alloc_page(q->bounce_gfp | __GFP_ZERO | gfp_mask);
if (!page)
goto cleanup;




2022-05-10 18:13:35

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 09/70] iommu/vt-d: Calculate mask for non-aligned flushes

From: David Stevens <[email protected]>

commit 59bf3557cf2f8a469a554aea1e3d2c8e72a579f7 upstream.

Calculate the appropriate mask for non-size-aligned page selective
invalidation. Since psi uses the mask value to mask out the lower order
bits of the target address, properly flushing the iotlb requires using a
mask value such that [pfn, pfn+pages) all lie within the flushed
size-aligned region. This is not normally an issue because iova.c
always allocates iovas that are aligned to their size. However, iovas
which come from other sources (e.g. userspace via VFIO) may not be
aligned.

To properly flush the IOTLB, both the start and end pfns need to be
equal after applying the mask. That means that the most efficient mask
to use is the index of the lowest bit that is equal where all higher
bits are also equal. For example, if pfn=0x17f and pages=3, then
end_pfn=0x181, so the smallest mask we can use is 8. Any differences
above the highest bit of pages are due to carrying, so by xnor'ing pfn
and end_pfn and then masking out the lower order bits based on pages, we
get 0xffffff00, where the first set bit is the mask we want to use.

Fixes: 6fe1010d6d9c ("vfio/type1: DMA unmap chunking")
Cc: [email protected]
Signed-off-by: David Stevens <[email protected]>
Reviewed-by: Kevin Tian <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lu Baolu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Joerg Roedel <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/iommu/intel/iommu.c | 27 ++++++++++++++++++++++++---
1 file changed, 24 insertions(+), 3 deletions(-)

--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -1626,7 +1626,8 @@ static void iommu_flush_iotlb_psi(struct
unsigned long pfn, unsigned int pages,
int ih, int map)
{
- unsigned int mask = ilog2(__roundup_pow_of_two(pages));
+ unsigned int aligned_pages = __roundup_pow_of_two(pages);
+ unsigned int mask = ilog2(aligned_pages);
uint64_t addr = (uint64_t)pfn << VTD_PAGE_SHIFT;
u16 did = domain->iommu_did[iommu->seq_id];

@@ -1638,10 +1639,30 @@ static void iommu_flush_iotlb_psi(struct
if (domain_use_first_level(domain)) {
domain_flush_piotlb(iommu, domain, addr, pages, ih);
} else {
+ unsigned long bitmask = aligned_pages - 1;
+
+ /*
+ * PSI masks the low order bits of the base address. If the
+ * address isn't aligned to the mask, then compute a mask value
+ * needed to ensure the target range is flushed.
+ */
+ if (unlikely(bitmask & pfn)) {
+ unsigned long end_pfn = pfn + pages - 1, shared_bits;
+
+ /*
+ * Since end_pfn <= pfn + bitmask, the only way bits
+ * higher than bitmask can differ in pfn and end_pfn is
+ * by carrying. This means after masking out bitmask,
+ * high bits starting with the first set bit in
+ * shared_bits are all equal in both pfn and end_pfn.
+ */
+ shared_bits = ~(pfn ^ end_pfn) & ~bitmask;
+ mask = shared_bits ? __ffs(shared_bits) : BITS_PER_LONG;
+ }
+
/*
* Fallback to domain selective flush if no PSI support or
- * the size is too big. PSI requires page size to be 2 ^ x,
- * and the base address is naturally aligned to the size.
+ * the size is too big.
*/
if (!cap_pgsel_inv(iommu->cap) ||
mask > cap_max_amask_val(iommu->cap))



2022-05-10 19:21:51

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 25/70] s390/dasd: Fix read inconsistency for ESE DASD devices

From: Jan Höppner <[email protected]>

commit b9c10f68e23c13f56685559a0d6fdaca9f838324 upstream.

Read requests that return with NRF error are partially completed in
dasd_eckd_ese_read(). The function keeps track of the amount of
processed bytes and the driver will eventually return this information
back to the block layer for further processing via __dasd_cleanup_cqr()
when the request is in the final stage of processing (from the driver's
perspective).

For this, blk_update_request() is used which requires the number of
bytes to complete the request. As per documentation the nr_bytes
parameter is described as follows:
"number of bytes to complete for @req".

This was mistakenly interpreted as "number of bytes _left_ for @req"
leading to new requests with incorrect data length. The consequence are
inconsistent and completely wrong read requests as data from random
memory areas are read back.

Fix this by correctly specifying the amount of bytes that should be used
to complete the request.

Fixes: 5e6bdd37c552 ("s390/dasd: fix data corruption for thin provisioned devices")
Cc: [email protected] # 5.3+
Signed-off-by: Jan Höppner <[email protected]>
Reviewed-by: Stefan Haberland <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/s390/block/dasd.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2812,8 +2812,7 @@ static void __dasd_cleanup_cqr(struct da
* complete a request partially.
*/
if (proc_bytes) {
- blk_update_request(req, BLK_STS_OK,
- blk_rq_bytes(req) - proc_bytes);
+ blk_update_request(req, BLK_STS_OK, proc_bytes);
blk_mq_requeue_request(req, true);
} else if (likely(!blk_should_fake_timeout(req->q))) {
blk_mq_complete_request(req);



2022-05-10 19:25:08

by Fox Chen

[permalink] [raw]
Subject: RE: [PATCH 5.10 00/70] 5.10.115-rc1 review

On Tue, 10 May 2022 15:07:19 +0200, Greg Kroah-Hartman <[email protected]> wrote:
> This is the start of the stable review cycle for the 5.10.115 release.
> There are 70 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 12 May 2022 13:07:16 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.115-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>

5.10.115-rc1 Successfully Compiled and booted on my Raspberry PI 4b (8g) (bcm2711)

Tested-by: Fox Chen <[email protected]>


2022-05-10 19:27:43

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 36/70] ASoC: dmaengine: Restore NULL prepare_slave_config() callback

From: Codrin Ciubotariu <[email protected]>

commit 660564fc9a92a893a14f255be434f7ea0b967901 upstream.

As pointed out by Sascha Hauer, this patch changes:
if (pmc->config && !pcm->config->prepare_slave_config)
<do nothing>
to:
if (pmc->config && !pcm->config->prepare_slave_config)
snd_dmaengine_pcm_prepare_slave_config()

This breaks the drivers that do not need a call to
dmaengine_slave_config(). Drivers that still need to call
snd_dmaengine_pcm_prepare_slave_config(), but have a NULL
pcm->config->prepare_slave_config should use
snd_dmaengine_pcm_prepare_slave_config() as their prepare_slave_config
callback.

Fixes: 9a1e13440a4f ("ASoC: dmaengine: do not use a NULL prepare_slave_config() callback")
Reported-by: Sascha Hauer <[email protected]>
Signed-off-by: Codrin Ciubotariu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/soc/soc-generic-dmaengine-pcm.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -83,10 +83,10 @@ static int dmaengine_pcm_hw_params(struc

memset(&slave_config, 0, sizeof(slave_config));

- if (pcm->config && pcm->config->prepare_slave_config)
- prepare_slave_config = pcm->config->prepare_slave_config;
- else
+ if (!pcm->config)
prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
+ else
+ prepare_slave_config = pcm->config->prepare_slave_config;

if (prepare_slave_config) {
ret = prepare_slave_config(substream, params, &slave_config);



2022-05-10 19:41:06

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 34/70] gpio: pca953x: fix irq_stat not updated when irq is disabled (irq_mask not set)

From: Puyou Lu <[email protected]>

commit dba785798526a3282cc4d0f0ea751883715dbbb4 upstream.

When one port's input state get inverted (eg. from low to hight) after
pca953x_irq_setup but before setting irq_mask (by some other driver such as
"gpio-keys"), the next inversion of this port (eg. from hight to low) will not
be triggered any more (because irq_stat is not updated at the first time). Issue
should be fixed after this commit.

Fixes: 89ea8bbe9c3e ("gpio: pca953x.c: add interrupt handling capability")
Signed-off-by: Puyou Lu <[email protected]>
Signed-off-by: Bartosz Golaszewski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpio/gpio-pca953x.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -761,11 +761,11 @@ static bool pca953x_irq_pending(struct p
bitmap_xor(cur_stat, new_stat, old_stat, gc->ngpio);
bitmap_and(trigger, cur_stat, chip->irq_mask, gc->ngpio);

+ bitmap_copy(chip->irq_stat, new_stat, gc->ngpio);
+
if (bitmap_empty(trigger, gc->ngpio))
return false;

- bitmap_copy(chip->irq_stat, new_stat, gc->ngpio);
-
bitmap_and(cur_stat, chip->irq_trig_fall, old_stat, gc->ngpio);
bitmap_and(old_stat, chip->irq_trig_raise, new_stat, gc->ngpio);
bitmap_or(new_stat, old_stat, cur_stat, gc->ngpio);



2022-05-10 19:42:32

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 47/70] net: stmmac: dwmac-sun8i: add missing of_node_put() in sun8i_dwmac_register_mdio_mux()

From: Yang Yingliang <[email protected]>

commit 1a15267b7be77e0792cf0c7b36ca65c8eb2df0d8 upstream.

The node pointer returned by of_get_child_by_name() with refcount incremented,
so add of_node_put() after using it.

Fixes: 634db83b8265 ("net: stmmac: dwmac-sun8i: Handle integrated/external MDIOs")
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Yang Yingliang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -895,6 +895,7 @@ static int sun8i_dwmac_register_mdio_mux

ret = mdio_mux_init(priv->device, mdio_mux, mdio_mux_syscon_switch_fn,
&gmac->mux_handle, priv, priv->mii);
+ of_node_put(mdio_mux);
return ret;
}




2022-05-10 19:43:48

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 26/70] can: grcan: grcan_close(): fix deadlock

From: Duoming Zhou <[email protected]>

commit 47f070a63e735bcc8d481de31be1b5a1aa62b31c upstream.

There are deadlocks caused by del_timer_sync(&priv->hang_timer) and
del_timer_sync(&priv->rr_timer) in grcan_close(), one of the deadlocks
are shown below:

(Thread 1) | (Thread 2)
| grcan_reset_timer()
grcan_close() | mod_timer()
spin_lock_irqsave() //(1) | (wait a time)
... | grcan_initiate_running_reset()
del_timer_sync() | spin_lock_irqsave() //(2)
(wait timer to stop) | ...

We hold priv->lock in position (1) of thread 1 and use
del_timer_sync() to wait timer to stop, but timer handler also need
priv->lock in position (2) of thread 2. As a result, grcan_close()
will block forever.

This patch extracts del_timer_sync() from the protection of
spin_lock_irqsave(), which could let timer handler to obtain the
needed lock.

Link: https://lore.kernel.org/all/[email protected]
Fixes: 6cec9b07fe6a ("can: grcan: Add device driver for GRCAN and GRHCAN cores")
Cc: [email protected]
Signed-off-by: Duoming Zhou <[email protected]>
Reviewed-by: Andreas Larsson <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/can/grcan.c | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/net/can/grcan.c
+++ b/drivers/net/can/grcan.c
@@ -1113,8 +1113,10 @@ static int grcan_close(struct net_device

priv->closing = true;
if (priv->need_txbug_workaround) {
+ spin_unlock_irqrestore(&priv->lock, flags);
del_timer_sync(&priv->hang_timer);
del_timer_sync(&priv->rr_timer);
+ spin_lock_irqsave(&priv->lock, flags);
}
netif_stop_queue(dev);
grcan_stop_hardware(dev);



2022-05-10 19:44:17

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 13/70] firewire: remove check of list iterator against head past the loop body

From: Jakob Koschel <[email protected]>

commit 9423973869bd4632ffe669f950510c49296656e0 upstream.

When list_for_each_entry() completes the iteration over the whole list
without breaking the loop, the iterator value will be a bogus pointer
computed based on the head element.

While it is safe to use the pointer to determine if it was computed
based on the head element, either with list_entry_is_head() or
&pos->member == head, using the iterator variable after the loop should
be avoided.

In preparation to limit the scope of a list iterator to the list
traversal loop, use a dedicated pointer to point to the found element [1].

Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1]
Cc: <[email protected]>
Signed-off-by: Jakob Koschel <[email protected]>
Signed-off-by: Takashi Sakamoto <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/firewire/core-transaction.c | 30 ++++++++++++++++--------------
drivers/firewire/sbp2.c | 13 +++++++------
2 files changed, 23 insertions(+), 20 deletions(-)

--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -73,24 +73,25 @@ static int try_cancel_split_timeout(stru
static int close_transaction(struct fw_transaction *transaction,
struct fw_card *card, int rcode)
{
- struct fw_transaction *t;
+ struct fw_transaction *t = NULL, *iter;
unsigned long flags;

spin_lock_irqsave(&card->lock, flags);
- list_for_each_entry(t, &card->transaction_list, link) {
- if (t == transaction) {
- if (!try_cancel_split_timeout(t)) {
+ list_for_each_entry(iter, &card->transaction_list, link) {
+ if (iter == transaction) {
+ if (!try_cancel_split_timeout(iter)) {
spin_unlock_irqrestore(&card->lock, flags);
goto timed_out;
}
- list_del_init(&t->link);
- card->tlabel_mask &= ~(1ULL << t->tlabel);
+ list_del_init(&iter->link);
+ card->tlabel_mask &= ~(1ULL << iter->tlabel);
+ t = iter;
break;
}
}
spin_unlock_irqrestore(&card->lock, flags);

- if (&t->link != &card->transaction_list) {
+ if (t) {
t->callback(card, rcode, NULL, 0, t->callback_data);
return 0;
}
@@ -935,7 +936,7 @@ EXPORT_SYMBOL(fw_core_handle_request);

void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
{
- struct fw_transaction *t;
+ struct fw_transaction *t = NULL, *iter;
unsigned long flags;
u32 *data;
size_t data_length;
@@ -947,20 +948,21 @@ void fw_core_handle_response(struct fw_c
rcode = HEADER_GET_RCODE(p->header[1]);

spin_lock_irqsave(&card->lock, flags);
- list_for_each_entry(t, &card->transaction_list, link) {
- if (t->node_id == source && t->tlabel == tlabel) {
- if (!try_cancel_split_timeout(t)) {
+ list_for_each_entry(iter, &card->transaction_list, link) {
+ if (iter->node_id == source && iter->tlabel == tlabel) {
+ if (!try_cancel_split_timeout(iter)) {
spin_unlock_irqrestore(&card->lock, flags);
goto timed_out;
}
- list_del_init(&t->link);
- card->tlabel_mask &= ~(1ULL << t->tlabel);
+ list_del_init(&iter->link);
+ card->tlabel_mask &= ~(1ULL << iter->tlabel);
+ t = iter;
break;
}
}
spin_unlock_irqrestore(&card->lock, flags);

- if (&t->link == &card->transaction_list) {
+ if (!t) {
timed_out:
fw_notice(card, "unsolicited response (source %x, tlabel %x)\n",
source, tlabel);
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -408,7 +408,7 @@ static void sbp2_status_write(struct fw_
void *payload, size_t length, void *callback_data)
{
struct sbp2_logical_unit *lu = callback_data;
- struct sbp2_orb *orb;
+ struct sbp2_orb *orb = NULL, *iter;
struct sbp2_status status;
unsigned long flags;

@@ -433,17 +433,18 @@ static void sbp2_status_write(struct fw_

/* Lookup the orb corresponding to this status write. */
spin_lock_irqsave(&lu->tgt->lock, flags);
- list_for_each_entry(orb, &lu->orb_list, link) {
+ list_for_each_entry(iter, &lu->orb_list, link) {
if (STATUS_GET_ORB_HIGH(status) == 0 &&
- STATUS_GET_ORB_LOW(status) == orb->request_bus) {
- orb->rcode = RCODE_COMPLETE;
- list_del(&orb->link);
+ STATUS_GET_ORB_LOW(status) == iter->request_bus) {
+ iter->rcode = RCODE_COMPLETE;
+ list_del(&iter->link);
+ orb = iter;
break;
}
}
spin_unlock_irqrestore(&lu->tgt->lock, flags);

- if (&orb->link != &lu->orb_list) {
+ if (orb) {
orb->callback(orb, &status);
kref_put(&orb->kref, free_orb); /* orb callback reference */
} else {



2022-05-10 19:55:27

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 37/70] net/mlx5e: Fix trust state reset in reload

From: Moshe Tal <[email protected]>

commit b781bff882d16175277ca129c382886cb4c74a2c upstream.

Setting dscp2prio during the driver reload can cause dcb ieee app list to
be not empty after the reload finish and as a result to a conflict between
the priority trust state reported by the app and the state in the device
register.

Reset the dcb ieee app list on initialization in case this is
conflicting with the register status.

Fixes: 2a5e7a1344f4 ("net/mlx5e: Add dcbnl dscp to priority support")
Signed-off-by: Moshe Tal <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 10 ++++++++++
1 file changed, 10 insertions(+)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -1210,6 +1210,16 @@ static int mlx5e_trust_initialize(struct
if (err)
return err;

+ if (priv->dcbx_dp.trust_state == MLX5_QPTS_TRUST_PCP && priv->dcbx.dscp_app_cnt) {
+ /*
+ * Align the driver state with the register state.
+ * Temporary state change is required to enable the app list reset.
+ */
+ priv->dcbx_dp.trust_state = MLX5_QPTS_TRUST_DSCP;
+ mlx5e_dcbnl_delete_app(priv);
+ priv->dcbx_dp.trust_state = MLX5_QPTS_TRUST_PCP;
+ }
+
mlx5e_params_calc_trust_tx_min_inline_mode(priv->mdev, &priv->channels.params,
priv->dcbx_dp.trust_state);




2022-05-10 20:00:19

by Pavel Machek

[permalink] [raw]
Subject: Re: [PATCH 5.10 00/70] 5.10.115-rc1 review

Hi!

> This is the start of the stable review cycle for the 5.10.115 release.
> There are 70 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.

CIP testing did not find any problems here:

https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/tree/linux-5.10.y

Tested-by: Pavel Machek (CIP) <[email protected]>

Best regards,
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany


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2022-05-10 20:37:04

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 40/70] net/mlx5e: Fix the calling of update_buffer_lossy() API

From: Mark Zhang <[email protected]>

commit c4d963a588a6e7c4ef31160e80697ae8e5a47746 upstream.

The arguments of update_buffer_lossy() is in a wrong order. Fix it.

Fixes: 88b3d5c90e96 ("net/mlx5e: Fix port buffers cell size value")
Signed-off-by: Mark Zhang <[email protected]>
Reviewed-by: Maor Gottlieb <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
@@ -309,8 +309,8 @@ int mlx5e_port_manual_buffer_config(stru
if (err)
return err;

- err = update_buffer_lossy(max_mtu, curr_pfc_en, prio2buffer, port_buff_cell_sz,
- xoff, &port_buffer, &update_buffer);
+ err = update_buffer_lossy(max_mtu, curr_pfc_en, prio2buffer, xoff,
+ port_buff_cell_sz, &port_buffer, &update_buffer);
if (err)
return err;
}



2022-05-10 20:40:57

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 59/70] net/mlx5: Fix slab-out-of-bounds while reading resource dump menu

From: Aya Levin <[email protected]>

[ Upstream commit 7ba2d9d8de96696c1451fee1b01da11f45bdc2b9 ]

Resource dump menu may span over more than a single page, support it.
Otherwise, menu read may result in a memory access violation: reading
outside of the allocated page.
Note that page format of the first menu page contains menu headers while
the proceeding menu pages contain only records.

The KASAN logs are as follows:
BUG: KASAN: slab-out-of-bounds in strcmp+0x9b/0xb0
Read of size 1 at addr ffff88812b2e1fd0 by task systemd-udevd/496

CPU: 5 PID: 496 Comm: systemd-udevd Tainted: G B 5.16.0_for_upstream_debug_2022_01_10_23_12 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x57/0x7d
print_address_description.constprop.0+0x1f/0x140
? strcmp+0x9b/0xb0
? strcmp+0x9b/0xb0
kasan_report.cold+0x83/0xdf
? strcmp+0x9b/0xb0
strcmp+0x9b/0xb0
mlx5_rsc_dump_init+0x4ab/0x780 [mlx5_core]
? mlx5_rsc_dump_destroy+0x80/0x80 [mlx5_core]
? lockdep_hardirqs_on_prepare+0x286/0x400
? raw_spin_unlock_irqrestore+0x47/0x50
? aomic_notifier_chain_register+0x32/0x40
mlx5_load+0x104/0x2e0 [mlx5_core]
mlx5_init_one+0x41b/0x610 [mlx5_core]
....
The buggy address belongs to the object at ffff88812b2e0000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 4048 bytes to the right of
4096-byte region [ffff88812b2e0000, ffff88812b2e1000)
The buggy address belongs to the page:
page:000000009d69807a refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88812b2e6000 pfn:0x12b2e0
head:000000009d69807a order:3 compound_mapcount:0 compound_pincount:0
flags: 0x8000000000010200(slab|head|zone=2)
raw: 8000000000010200 0000000000000000 dead000000000001 ffff888100043040
raw: ffff88812b2e6000 0000000080040000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
ffff88812b2e1e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88812b2e1f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88812b2e1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff88812b2e2000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88812b2e2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

Fixes: 12206b17235a ("net/mlx5: Add support for resource dump")
Signed-off-by: Aya Levin <[email protected]>
Reviewed-by: Moshe Shemesh <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
.../mellanox/mlx5/core/diag/rsc_dump.c | 31 +++++++++++++++----
1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c
index ed4fb79b4db7..75b6060f7a9a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c
@@ -31,6 +31,7 @@ static const char *const mlx5_rsc_sgmt_name[] = {
struct mlx5_rsc_dump {
u32 pdn;
struct mlx5_core_mkey mkey;
+ u32 number_of_menu_items;
u16 fw_segment_type[MLX5_SGMT_TYPE_NUM];
};

@@ -50,21 +51,37 @@ static int mlx5_rsc_dump_sgmt_get_by_name(char *name)
return -EINVAL;
}

-static void mlx5_rsc_dump_read_menu_sgmt(struct mlx5_rsc_dump *rsc_dump, struct page *page)
+#define MLX5_RSC_DUMP_MENU_HEADER_SIZE (MLX5_ST_SZ_BYTES(resource_dump_info_segment) + \
+ MLX5_ST_SZ_BYTES(resource_dump_command_segment) + \
+ MLX5_ST_SZ_BYTES(resource_dump_menu_segment))
+
+static int mlx5_rsc_dump_read_menu_sgmt(struct mlx5_rsc_dump *rsc_dump, struct page *page,
+ int read_size, int start_idx)
{
void *data = page_address(page);
enum mlx5_sgmt_type sgmt_idx;
int num_of_items;
char *sgmt_name;
void *member;
+ int size = 0;
void *menu;
int i;

- menu = MLX5_ADDR_OF(menu_resource_dump_response, data, menu);
- num_of_items = MLX5_GET(resource_dump_menu_segment, menu, num_of_records);
+ if (!start_idx) {
+ menu = MLX5_ADDR_OF(menu_resource_dump_response, data, menu);
+ rsc_dump->number_of_menu_items = MLX5_GET(resource_dump_menu_segment, menu,
+ num_of_records);
+ size = MLX5_RSC_DUMP_MENU_HEADER_SIZE;
+ data += size;
+ }
+ num_of_items = rsc_dump->number_of_menu_items;
+
+ for (i = 0; start_idx + i < num_of_items; i++) {
+ size += MLX5_ST_SZ_BYTES(resource_dump_menu_record);
+ if (size >= read_size)
+ return start_idx + i;

- for (i = 0; i < num_of_items; i++) {
- member = MLX5_ADDR_OF(resource_dump_menu_segment, menu, record[i]);
+ member = data + MLX5_ST_SZ_BYTES(resource_dump_menu_record) * i;
sgmt_name = MLX5_ADDR_OF(resource_dump_menu_record, member, segment_name);
sgmt_idx = mlx5_rsc_dump_sgmt_get_by_name(sgmt_name);
if (sgmt_idx == -EINVAL)
@@ -72,6 +89,7 @@ static void mlx5_rsc_dump_read_menu_sgmt(struct mlx5_rsc_dump *rsc_dump, struct
rsc_dump->fw_segment_type[sgmt_idx] = MLX5_GET(resource_dump_menu_record,
member, segment_type);
}
+ return 0;
}

static int mlx5_rsc_dump_trigger(struct mlx5_core_dev *dev, struct mlx5_rsc_dump_cmd *cmd,
@@ -168,6 +186,7 @@ static int mlx5_rsc_dump_menu(struct mlx5_core_dev *dev)
struct mlx5_rsc_dump_cmd *cmd = NULL;
struct mlx5_rsc_key key = {};
struct page *page;
+ int start_idx = 0;
int size;
int err;

@@ -189,7 +208,7 @@ static int mlx5_rsc_dump_menu(struct mlx5_core_dev *dev)
if (err < 0)
goto destroy_cmd;

- mlx5_rsc_dump_read_menu_sgmt(dev->rsc_dump, page);
+ start_idx = mlx5_rsc_dump_read_menu_sgmt(dev->rsc_dump, page, size, start_idx);

} while (err > 0);

--
2.35.1




2022-05-10 21:04:55

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 14/70] firewire: core: extend card->lock in fw_core_handle_bus_reset

From: Niels Dossche <[email protected]>

commit a7ecbe92b9243edbe94772f6f2c854e4142a3345 upstream.

card->local_node and card->bm_retries are both always accessed under
card->lock.
fw_core_handle_bus_reset has a check whose condition depends on
card->local_node and whose body writes to card->bm_retries.
Both of these accesses are not under card->lock. Move the lock acquiring
of card->lock to before this check such that these accesses do happen
when card->lock is held.
fw_destroy_nodes is called inside the check.
Since fw_destroy_nodes already acquires card->lock inside its function
body, move this out to the callsites of fw_destroy_nodes.
Also add a comment to indicate which locking is necessary when calling
fw_destroy_nodes.

Cc: <[email protected]>
Signed-off-by: Niels Dossche <[email protected]>
Signed-off-by: Takashi Sakamoto <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/firewire/core-card.c | 3 +++
drivers/firewire/core-topology.c | 9 +++------
2 files changed, 6 insertions(+), 6 deletions(-)

--- a/drivers/firewire/core-card.c
+++ b/drivers/firewire/core-card.c
@@ -668,6 +668,7 @@ EXPORT_SYMBOL_GPL(fw_card_release);
void fw_core_remove_card(struct fw_card *card)
{
struct fw_card_driver dummy_driver = dummy_driver_template;
+ unsigned long flags;

card->driver->update_phy_reg(card, 4,
PHY_LINK_ACTIVE | PHY_CONTENDER, 0);
@@ -682,7 +683,9 @@ void fw_core_remove_card(struct fw_card
dummy_driver.stop_iso = card->driver->stop_iso;
card->driver = &dummy_driver;

+ spin_lock_irqsave(&card->lock, flags);
fw_destroy_nodes(card);
+ spin_unlock_irqrestore(&card->lock, flags);

/* Wait for all users, especially device workqueue jobs, to finish. */
fw_card_put(card);
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -374,16 +374,13 @@ static void report_found_node(struct fw_
card->bm_retries = 0;
}

+/* Must be called with card->lock held */
void fw_destroy_nodes(struct fw_card *card)
{
- unsigned long flags;
-
- spin_lock_irqsave(&card->lock, flags);
card->color++;
if (card->local_node != NULL)
for_each_fw_node(card, card->local_node, report_lost_node);
card->local_node = NULL;
- spin_unlock_irqrestore(&card->lock, flags);
}

static void move_tree(struct fw_node *node0, struct fw_node *node1, int port)
@@ -509,6 +506,8 @@ void fw_core_handle_bus_reset(struct fw_
struct fw_node *local_node;
unsigned long flags;

+ spin_lock_irqsave(&card->lock, flags);
+
/*
* If the selfID buffer is not the immediate successor of the
* previously processed one, we cannot reliably compare the
@@ -520,8 +519,6 @@ void fw_core_handle_bus_reset(struct fw_
card->bm_retries = 0;
}

- spin_lock_irqsave(&card->lock, flags);
-
card->broadcast_channel_allocated = card->broadcast_channel_auto_allocated;
card->node_id = node_id;
/*



2022-05-10 21:09:30

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 31/70] nfc: replace improper check device_is_registered() in netlink related functions

From: Duoming Zhou <[email protected]>

commit da5c0f119203ad9728920456a0f52a6d850c01cd upstream.

The device_is_registered() in nfc core is used to check whether
nfc device is registered in netlink related functions such as
nfc_fw_download(), nfc_dev_up() and so on. Although device_is_registered()
is protected by device_lock, there is still a race condition between
device_del() and device_is_registered(). The root cause is that
kobject_del() in device_del() is not protected by device_lock.

(cleanup task) | (netlink task)
|
nfc_unregister_device | nfc_fw_download
device_del | device_lock
... | if (!device_is_registered)//(1)
kobject_del//(2) | ...
... | device_unlock

The device_is_registered() returns the value of state_in_sysfs and
the state_in_sysfs is set to zero in kobject_del(). If we pass check in
position (1), then set zero in position (2). As a result, the check
in position (1) is useless.

This patch uses bool variable instead of device_is_registered() to judge
whether the nfc device is registered, which is well synchronized.

Fixes: 3e256b8f8dfa ("NFC: add nfc subsystem core")
Signed-off-by: Duoming Zhou <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/nfc/core.c | 29 ++++++++++++++---------------
1 file changed, 14 insertions(+), 15 deletions(-)

--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -38,7 +38,7 @@ int nfc_fw_download(struct nfc_dev *dev,

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -94,7 +94,7 @@ int nfc_dev_up(struct nfc_dev *dev)

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -142,7 +142,7 @@ int nfc_dev_down(struct nfc_dev *dev)

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -206,7 +206,7 @@ int nfc_start_poll(struct nfc_dev *dev,

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -245,7 +245,7 @@ int nfc_stop_poll(struct nfc_dev *dev)

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -290,7 +290,7 @@ int nfc_dep_link_up(struct nfc_dev *dev,

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -334,7 +334,7 @@ int nfc_dep_link_down(struct nfc_dev *de

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -400,7 +400,7 @@ int nfc_activate_target(struct nfc_dev *

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -446,7 +446,7 @@ int nfc_deactivate_target(struct nfc_dev

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -493,7 +493,7 @@ int nfc_data_exchange(struct nfc_dev *de

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
kfree_skb(skb);
goto error;
@@ -550,7 +550,7 @@ int nfc_enable_se(struct nfc_dev *dev, u

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -599,7 +599,7 @@ int nfc_disable_se(struct nfc_dev *dev,

device_lock(&dev->dev);

- if (!device_is_registered(&dev->dev)) {
+ if (dev->shutting_down) {
rc = -ENODEV;
goto error;
}
@@ -1126,6 +1126,7 @@ int nfc_register_device(struct nfc_dev *
dev->rfkill = NULL;
}
}
+ dev->shutting_down = false;
device_unlock(&dev->dev);

rc = nfc_genl_device_added(dev);
@@ -1158,12 +1159,10 @@ void nfc_unregister_device(struct nfc_de
rfkill_unregister(dev->rfkill);
rfkill_destroy(dev->rfkill);
}
+ dev->shutting_down = true;
device_unlock(&dev->dev);

if (dev->ops->check_presence) {
- device_lock(&dev->dev);
- dev->shutting_down = true;
- device_unlock(&dev->dev);
del_timer_sync(&dev->check_pres_timer);
cancel_work_sync(&dev->check_pres_work);
}



2022-05-10 21:14:11

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 70/70] mmc: rtsx: add 74 Clocks in power on flow

From: Ricky WU <[email protected]>

commit 1f311c94aabdb419c28e3147bcc8ab89269f1a7e upstream.

SD spec definition:
"Host provides at least 74 Clocks before issuing first command"
After 1ms for the voltage stable then start issuing the Clock signals

if POWER STATE is
MMC_POWER_OFF to MMC_POWER_UP to issue Clock signal to card
MMC_POWER_UP to MMC_POWER_ON to stop issuing signal to card

Signed-off-by: Ricky Wu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>
Signed-off-by: Christian Loehle <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/mmc/host/rtsx_pci_sdmmc.c | 31 +++++++++++++++++++++----------
1 file changed, 21 insertions(+), 10 deletions(-)

--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -37,10 +37,7 @@ struct realtek_pci_sdmmc {
bool double_clk;
bool eject;
bool initial_mode;
- int power_state;
-#define SDMMC_POWER_ON 1
-#define SDMMC_POWER_OFF 0
-
+ int prev_power_state;
int sg_count;
s32 cookie;
int cookie_sg_count;
@@ -902,14 +899,21 @@ static int sd_set_bus_width(struct realt
return err;
}

-static int sd_power_on(struct realtek_pci_sdmmc *host)
+static int sd_power_on(struct realtek_pci_sdmmc *host, unsigned char power_mode)
{
struct rtsx_pcr *pcr = host->pcr;
int err;

- if (host->power_state == SDMMC_POWER_ON)
+ if (host->prev_power_state == MMC_POWER_ON)
return 0;

+ if (host->prev_power_state == MMC_POWER_UP) {
+ rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, 0);
+ goto finish;
+ }
+
+ msleep(100);
+
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SELECT, 0x07, SD_MOD_SEL);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SHARE_MODE,
@@ -928,11 +932,17 @@ static int sd_power_on(struct realtek_pc
if (err < 0)
return err;

+ mdelay(1);
+
err = rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN);
if (err < 0)
return err;

- host->power_state = SDMMC_POWER_ON;
+ /* send at least 74 clocks */
+ rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, SD_CLK_TOGGLE_EN);
+
+finish:
+ host->prev_power_state = power_mode;
return 0;
}

@@ -941,7 +951,7 @@ static int sd_power_off(struct realtek_p
struct rtsx_pcr *pcr = host->pcr;
int err;

- host->power_state = SDMMC_POWER_OFF;
+ host->prev_power_state = MMC_POWER_OFF;

rtsx_pci_init_cmd(pcr);

@@ -967,7 +977,7 @@ static int sd_set_power_mode(struct real
if (power_mode == MMC_POWER_OFF)
err = sd_power_off(host);
else
- err = sd_power_on(host);
+ err = sd_power_on(host, power_mode);

return err;
}
@@ -1404,10 +1414,11 @@ static int rtsx_pci_sdmmc_drv_probe(stru

host = mmc_priv(mmc);
host->pcr = pcr;
+ mmc->ios.power_delay_ms = 5;
host->mmc = mmc;
host->pdev = pdev;
host->cookie = -1;
- host->power_state = SDMMC_POWER_OFF;
+ host->prev_power_state = MMC_POWER_OFF;
INIT_WORK(&host->work, sd_request);
platform_set_drvdata(pdev, host);
pcr->slots[RTSX_SD_CARD].p_dev = pdev;



2022-05-10 21:23:47

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 45/70] net: ethernet: mediatek: add missing of_node_put() in mtk_sgmii_init()

From: Yang Yingliang <[email protected]>

commit ff5265d45345d01fefc98fcb9ae891b59633c919 upstream.

The node pointer returned by of_parse_phandle() with refcount incremented,
so add of_node_put() after using it in mtk_sgmii_init().

Fixes: 9ffee4a8276c ("net: ethernet: mediatek: Extend SGMII related functions")
Signed-off-by: Yang Yingliang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/mediatek/mtk_sgmii.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
@@ -26,6 +26,7 @@ int mtk_sgmii_init(struct mtk_sgmii *ss,
break;

ss->regmap[i] = syscon_node_to_regmap(np);
+ of_node_put(np);
if (IS_ERR(ss->regmap[i]))
return PTR_ERR(ss->regmap[i]);
}



2022-05-10 21:30:59

by Florian Fainelli

[permalink] [raw]
Subject: Re: [PATCH 5.10 00/70] 5.10.115-rc1 review

On 5/10/22 06:07, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.115 release.
> There are 70 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 12 May 2022 13:07:16 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.115-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>
> -------------
> Pseudo-Shortlog of commits:
>
> Greg Kroah-Hartman <[email protected]>
> Linux 5.10.115-rc1
>
> Ricky WU <[email protected]>
> mmc: rtsx: add 74 Clocks in power on flow
>
> Pali Rohár <[email protected]>
> PCI: aardvark: Fix reading MSI interrupt number
>
> Pali Rohár <[email protected]>
> PCI: aardvark: Clear all MSIs at setup
>
> Mike Snitzer <[email protected]>
> dm: interlock pending dm_io and dm_wait_for_bios_completion
>
> Haimin Zhang <[email protected]>
> block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern
>
> Frederic Weisbecker <[email protected]>
> rcu: Apply callbacks processing time limit only on softirq
>
> Frederic Weisbecker <[email protected]>
> rcu: Fix callbacks processing time limit retaining cond_resched()
>
> Wanpeng Li <[email protected]>
> KVM: LAPIC: Enable timer posted-interrupt only when mwait/hlt is advertised
>
> Paolo Bonzini <[email protected]>
> KVM: x86/mmu: avoid NULL-pointer dereference on page freeing bugs
>
> Paolo Bonzini <[email protected]>
> KVM: x86: Do not change ICR on write to APIC_SELF_IPI
>
> Wanpeng Li <[email protected]>
> x86/kvm: Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume
>
> Aya Levin <[email protected]>
> net/mlx5: Fix slab-out-of-bounds while reading resource dump menu
>
> Sandipan Das <[email protected]>
> kvm: x86/cpuid: Only provide CPUID leaf 0xA if host has architectural PMU
>
> Eric Dumazet <[email protected]>
> net: igmp: respect RCU rules in ip_mc_source() and ip_mc_msfilter()
>
> Filipe Manana <[email protected]>
> btrfs: always log symlinks in full mode
>
> Sergey Shtylyov <[email protected]>
> smsc911x: allow using IRQ0
>
> Vladimir Oltean <[email protected]>
> selftests: ocelot: tc_flower_chains: specify conform-exceed action for policer
>
> Michael Chan <[email protected]>
> bnxt_en: Fix unnecessary dropping of RX packets
>
> Somnath Kotur <[email protected]>
> bnxt_en: Fix possible bnxt_open() failure caused by wrong RFS flag
>
> Ido Schimmel <[email protected]>
> selftests: mirror_gre_bridge_1q: Avoid changing PVID while interface is operational
>
> Qiao Ma <[email protected]>
> hinic: fix bug of wq out of bound access
>
> Shravya Kumbham <[email protected]>
> net: emaclite: Add error handling for of_address_to_resource()
>
> Yang Yingliang <[email protected]>
> net: cpsw: add missing of_node_put() in cpsw_probe_dt()
>
> Yang Yingliang <[email protected]>
> net: stmmac: dwmac-sun8i: add missing of_node_put() in sun8i_dwmac_register_mdio_mux()
>
> Yang Yingliang <[email protected]>
> net: dsa: mt7530: add missing of_node_put() in mt7530_setup()
>
> Yang Yingliang <[email protected]>
> net: ethernet: mediatek: add missing of_node_put() in mtk_sgmii_init()
>
> Trond Myklebust <[email protected]>
> NFSv4: Don't invalidate inode attributes on delegation return
>
> Cheng Xu <[email protected]>
> RDMA/siw: Fix a condition race issue in MPA request processing
>
> Jann Horn <[email protected]>
> selftests/seccomp: Don't call read() on TTY from background pgrp
>
> Moshe Shemesh <[email protected]>
> net/mlx5: Avoid double clear or set of sync reset requested
>
> Mark Zhang <[email protected]>
> net/mlx5e: Fix the calling of update_buffer_lossy() API
>
> Paul Blakey <[email protected]>
> net/mlx5e: CT: Fix queued up restore put() executing after relevant ft release
>
> Vlad Buslov <[email protected]>
> net/mlx5e: Don't match double-vlan packets if cvlan is not set
>
> Moshe Tal <[email protected]>
> net/mlx5e: Fix trust state reset in reload
>
> Codrin Ciubotariu <[email protected]>
> ASoC: dmaengine: Restore NULL prepare_slave_config() callback
>
> Armin Wolf <[email protected]>
> hwmon: (adt7470) Fix warning on module removal
>
> Puyou Lu <[email protected]>
> gpio: pca953x: fix irq_stat not updated when irq is disabled (irq_mask not set)
>
> Duoming Zhou <[email protected]>
> NFC: netlink: fix sleep in atomic bug when firmware download timeout
>
> Duoming Zhou <[email protected]>
> nfc: nfcmrvl: main: reorder destructive operations in nfcmrvl_nci_unregister_dev to avoid bugs
>
> Duoming Zhou <[email protected]>
> nfc: replace improper check device_is_registered() in netlink related functions
>
> Andreas Larsson <[email protected]>
> can: grcan: only use the NAPI poll budget for RX
>
> Andreas Larsson <[email protected]>
> can: grcan: grcan_probe(): fix broken system id check for errata workaround needs
>
> Daniel Hellstrom <[email protected]>
> can: grcan: use ofdev->dev when allocating DMA memory
>
> Oliver Hartkopp <[email protected]>
> can: isotp: remove re-binding of bound socket
>
> Duoming Zhou <[email protected]>
> can: grcan: grcan_close(): fix deadlock
>
> Jan Höppner <[email protected]>
> s390/dasd: Fix read inconsistency for ESE DASD devices
>
> Jan Höppner <[email protected]>
> s390/dasd: Fix read for ESE with blksize < 4k
>
> Stefan Haberland <[email protected]>
> s390/dasd: prevent double format of tracks for ESE devices
>
> Stefan Haberland <[email protected]>
> s390/dasd: fix data corruption for ESE devices
>
> Mark Brown <[email protected]>
> ASoC: meson: Fix event generation for AUI CODEC mux
>
> Mark Brown <[email protected]>
> ASoC: meson: Fix event generation for G12A tohdmi mux
>
> Mark Brown <[email protected]>
> ASoC: meson: Fix event generation for AUI ACODEC mux
>
> Mark Brown <[email protected]>
> ASoC: wm8958: Fix change notifications for DSP controls
>
> Mark Brown <[email protected]>
> ASoC: da7219: Fix change notifications for tone generator frequency
>
> Thomas Pfaff <[email protected]>
> genirq: Synchronize interrupt thread startup
>
> Tan Tee Min <[email protected]>
> net: stmmac: disable Split Header (SPH) for Intel platforms
>
> Niels Dossche <[email protected]>
> firewire: core: extend card->lock in fw_core_handle_bus_reset
>
> Jakob Koschel <[email protected]>
> firewire: remove check of list iterator against head past the loop body
>
> Chengfeng Ye <[email protected]>
> firewire: fix potential uaf in outbound_phy_packet_callback()
>
> Trond Myklebust <[email protected]>
> Revert "SUNRPC: attempt AF_LOCAL connect on setup"
>
> Harry Wentland <[email protected]>
> drm/amd/display: Avoid reading audio pattern past AUDIO_CHANNELS_COUNT
>
> David Stevens <[email protected]>
> iommu/vt-d: Calculate mask for non-aligned flushes
>
> Kyle Huey <[email protected]>
> KVM: x86/svm: Account for family 17h event renumberings in amd_pmc_perf_hw_id
>
> Andrei Lalaev <[email protected]>
> gpiolib: of: fix bounds check for 'gpio-reserved-ranges'
>
> Brian Norris <[email protected]>
> mmc: core: Set HS clock speed before sending HS CMD13
>
> Shaik Sajida Bhanu <[email protected]>
> mmc: sdhci-msm: Reset GCC_SDCC_BCR register for SDHC
>
> Takashi Sakamoto <[email protected]>
> ALSA: fireworks: fix wrong return count shorter than expected by 4 bytes
>
> Zihao Wang <[email protected]>
> ALSA: hda/realtek: Add quirk for Yoga Duet 7 13ITL6 speakers
>
> Helge Deller <[email protected]>
> parisc: Merge model and model name into one line in /proc/cpuinfo
>
> Maciej W. Rozycki <[email protected]>
> MIPS: Fix CP0 counter erratum detection for R4k CPUs
>
>
> -------------
>
> Diffstat:
>
> Makefile | 4 +-
> arch/mips/include/asm/timex.h | 8 ++--
> arch/mips/kernel/time.c | 11 ++----
> arch/parisc/kernel/processor.c | 3 +-
> arch/x86/kernel/kvm.c | 13 ++++++
> arch/x86/kvm/cpuid.c | 5 +++
> arch/x86/kvm/lapic.c | 10 ++---
> arch/x86/kvm/mmu/mmu.c | 2 +
> arch/x86/kvm/svm/pmu.c | 28 +++++++++++--
> block/blk-map.c | 2 +-
> drivers/firewire/core-card.c | 3 ++
> drivers/firewire/core-cdev.c | 4 +-
> drivers/firewire/core-topology.c | 9 ++---
> drivers/firewire/core-transaction.c | 30 +++++++-------
> drivers/firewire/sbp2.c | 13 +++---
> drivers/gpio/gpio-pca953x.c | 4 +-
> drivers/gpio/gpiolib-of.c | 2 +-
> drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +-
> drivers/hwmon/adt7470.c | 4 +-
> drivers/infiniband/sw/siw/siw_cm.c | 7 ++--
> drivers/iommu/intel/iommu.c | 27 +++++++++++--
> drivers/md/dm.c | 8 +++-
> drivers/mmc/core/mmc.c | 23 +++++++++--
> drivers/mmc/host/rtsx_pci_sdmmc.c | 31 ++++++++++-----
> drivers/mmc/host/sdhci-msm.c | 42 ++++++++++++++++++++
> drivers/net/can/grcan.c | 46 +++++++++++-----------
> drivers/net/dsa/mt7530.c | 1 +
> drivers/net/ethernet/broadcom/bnxt/bnxt.c | 13 +++---
> drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c | 7 +++-
> drivers/net/ethernet/mediatek/mtk_sgmii.c | 1 +
> .../ethernet/mellanox/mlx5/core/diag/rsc_dump.c | 31 ++++++++++++---
> .../ethernet/mellanox/mlx5/core/en/port_buffer.c | 4 +-
> drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c | 4 ++
> drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 10 +++++
> drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 11 ++++++
> drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c | 28 ++++++++-----
> drivers/net/ethernet/smsc/smsc911x.c | 2 +-
> drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 1 +
> drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 1 +
> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
> drivers/net/ethernet/ti/cpsw_new.c | 5 ++-
> drivers/net/ethernet/xilinx/xilinx_emaclite.c | 15 +++++--
> drivers/nfc/nfcmrvl/main.c | 2 +-
> drivers/pci/controller/pci-aardvark.c | 16 ++++----
> drivers/s390/block/dasd.c | 18 +++++++--
> drivers/s390/block/dasd_eckd.c | 28 +++++++++----
> drivers/s390/block/dasd_int.h | 14 +++++++
> fs/btrfs/tree-log.c | 14 ++++++-
> fs/nfs/nfs4proc.c | 12 +++++-
> include/linux/stmmac.h | 1 +
> kernel/irq/internals.h | 2 +
> kernel/irq/irqdesc.c | 2 +
> kernel/irq/manage.c | 39 +++++++++++++-----
> kernel/rcu/tree.c | 32 ++++++++-------
> net/can/isotp.c | 22 +++--------
> net/ipv4/igmp.c | 9 +++--
> net/nfc/core.c | 29 +++++++-------
> net/nfc/netlink.c | 4 +-
> net/sunrpc/xprtsock.c | 3 --
> sound/firewire/fireworks/fireworks_hwdep.c | 1 +
> sound/pci/hda/patch_realtek.c | 1 +
> sound/soc/codecs/da7219.c | 14 +++++--
> sound/soc/codecs/wm8958-dsp2.c | 8 ++--
> sound/soc/meson/aiu-acodec-ctrl.c | 2 +-
> sound/soc/meson/aiu-codec-ctrl.c | 2 +-
> sound/soc/meson/g12a-tohdmitx.c | 2 +-
> sound/soc/soc-generic-dmaengine-pcm.c | 6 +--
> .../drivers/net/ocelot/tc_flower_chains.sh | 2 +-
> .../net/forwarding/mirror_gre_bridge_1q.sh | 3 ++
> tools/testing/selftests/seccomp/seccomp_bpf.c | 10 ++---
> 70 files changed, 537 insertions(+), 238 deletions(-)
>
>


--
Florian

2022-05-10 21:33:25

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 58/70] kvm: x86/cpuid: Only provide CPUID leaf 0xA if host has architectural PMU

From: Sandipan Das <[email protected]>

[ Upstream commit 5a1bde46f98b893cda6122b00e94c0c40a6ead3c ]

On some x86 processors, CPUID leaf 0xA provides information
on Architectural Performance Monitoring features. It
advertises a PMU version which Qemu uses to determine the
availability of additional MSRs to manage the PMCs.

Upon receiving a KVM_GET_SUPPORTED_CPUID ioctl request for
the same, the kernel constructs return values based on the
x86_pmu_capability irrespective of the vendor.

This leaf and the additional MSRs are not supported on AMD
and Hygon processors. If AMD PerfMonV2 is detected, the PMU
version is set to 2 and guest startup breaks because of an
attempt to access a non-existent MSR. Return zeros to avoid
this.

Fixes: a6c06ed1a60a ("KVM: Expose the architectural performance monitoring CPUID leaf")
Reported-by: Vasant Hegde <[email protected]>
Signed-off-by: Sandipan Das <[email protected]>
Message-Id: <3fef83d9c2b2f7516e8ff50d60851f29a4bcb716.1651058600.git.sandipan.das@amd.com>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
arch/x86/kvm/cpuid.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 41b0dc37720e..6e1ea5e85e59 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -668,6 +668,11 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
union cpuid10_eax eax;
union cpuid10_edx edx;

+ if (!static_cpu_has(X86_FEATURE_ARCH_PERFMON)) {
+ entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
+ break;
+ }
+
perf_get_x86_pmu_capability(&cap);

/*
--
2.35.1




2022-05-10 21:33:25

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 24/70] s390/dasd: Fix read for ESE with blksize < 4k

From: Jan Höppner <[email protected]>

commit cd68c48ea15c85f1577a442dc4c285e112ff1b37 upstream.

When reading unformatted tracks on ESE devices, the corresponding memory
areas are simply set to zero for each segment. This is done incorrectly
for blocksizes < 4096.

There are two problems. First, the increment of dst is done using the
counter of the loop (off), which is increased by blksize every
iteration. This leads to a much bigger increment for dst as actually
intended. Second, the increment of dst is done before the memory area
is set to 0, skipping a significant amount of bytes of memory.

This leads to illegal overwriting of memory and ultimately to a kernel
panic.

This is not a problem with 4k blocksize because
blk_queue_max_segment_size is set to PAGE_SIZE, always resulting in a
single iteration for the inner segment loop (bv.bv_len == blksize). The
incorrectly used 'off' value to increment dst is 0 and the correct
memory area is used.

In order to fix this for blksize < 4k, increment dst correctly using the
blksize and only do it at the end of the loop.

Fixes: 5e2b17e712cf ("s390/dasd: Add dynamic formatting support for ESE volumes")
Cc: [email protected] # v5.3+
Signed-off-by: Jan Höppner <[email protected]>
Reviewed-by: Stefan Haberland <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/s390/block/dasd_eckd.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3228,12 +3228,11 @@ static int dasd_eckd_ese_read(struct das
cqr->proc_bytes = blk_count * blksize;
return 0;
}
- if (dst && !skip_block) {
- dst += off;
+ if (dst && !skip_block)
memset(dst, 0, blksize);
- } else {
+ else
skip_block--;
- }
+ dst += blksize;
blk_count++;
}
}



2022-05-10 21:40:24

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 07/70] gpiolib: of: fix bounds check for gpio-reserved-ranges

From: Andrei Lalaev <[email protected]>

commit e75f88efac05bf4e107e4171d8db6d8c3937252d upstream.

Gpiolib interprets the elements of "gpio-reserved-ranges" as "start,size"
because it clears "size" bits starting from the "start" bit in the according
bitmap. So it has to use "greater" instead of "greater or equal" when performs
bounds check to make sure that GPIOs are in the available range.
Previous implementation skipped ranges that include the last GPIO in
the range.

I wrote the mail to the maintainers
(https://lore.kernel.org/linux-gpio/[email protected]/T/#u)
of the questioned DTSes (because I couldn't understand how the maintainers
interpreted this property), but I haven't received a response.
Since the questioned DTSes use "gpio-reserved-ranges = <0 4>"
(i.e., the beginning of the range), this patch doesn't affect these DTSes at all.
TBH this patch doesn't break any existing DTSes because none of them
reserve gpios at the end of range.

Fixes: 726cb3ba4969 ("gpiolib: Support 'gpio-reserved-ranges' property")
Signed-off-by: Andrei Lalaev <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Cc: [email protected]
Signed-off-by: Bartosz Golaszewski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpio/gpiolib-of.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -912,7 +912,7 @@ static void of_gpiochip_init_valid_mask(
i, &start);
of_property_read_u32_index(np, "gpio-reserved-ranges",
i + 1, &count);
- if (start >= chip->ngpio || start + count >= chip->ngpio)
+ if (start >= chip->ngpio || start + count > chip->ngpio)
continue;

bitmap_clear(chip->valid_mask, start, count);



2022-05-10 21:42:07

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 56/70] btrfs: always log symlinks in full mode

From: Filipe Manana <[email protected]>

commit d0e64a981fd841cb0f28fcd6afcac55e6f1e6994 upstream.

On Linux, empty symlinks are invalid, and attempting to create one with
the system call symlink(2) results in an -ENOENT error and this is
explicitly documented in the man page.

If we rename a symlink that was created in the current transaction and its
parent directory was logged before, we actually end up logging the symlink
without logging its content, which is stored in an inline extent. That
means that after a power failure we can end up with an empty symlink,
having no content and an i_size of 0 bytes.

It can be easily reproduced like this:

$ mkfs.btrfs -f /dev/sdc
$ mount /dev/sdc /mnt

$ mkdir /mnt/testdir
$ sync

# Create a file inside the directory and fsync the directory.
$ touch /mnt/testdir/foo
$ xfs_io -c "fsync" /mnt/testdir

# Create a symlink inside the directory and then rename the symlink.
$ ln -s /mnt/testdir/foo /mnt/testdir/bar
$ mv /mnt/testdir/bar /mnt/testdir/baz

# Now fsync again the directory, this persist the log tree.
$ xfs_io -c "fsync" /mnt/testdir

<power failure>

$ mount /dev/sdc /mnt
$ stat -c %s /mnt/testdir/baz
0
$ readlink /mnt/testdir/baz
$

Fix this by always logging symlinks in full mode (LOG_INODE_ALL), so that
their content is also logged.

A test case for fstests will follow.

CC: [email protected] # 4.9+
Signed-off-by: Filipe Manana <[email protected]>
Signed-off-by: David Sterba <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/btrfs/tree-log.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)

--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -5335,6 +5335,18 @@ static int btrfs_log_inode(struct btrfs_
}

/*
+ * For symlinks, we must always log their content, which is stored in an
+ * inline extent, otherwise we could end up with an empty symlink after
+ * log replay, which is invalid on linux (symlink(2) returns -ENOENT if
+ * one attempts to create an empty symlink).
+ * We don't need to worry about flushing delalloc, because when we create
+ * the inline extent when the symlink is created (we never have delalloc
+ * for symlinks).
+ */
+ if (S_ISLNK(inode->vfs_inode.i_mode))
+ inode_only = LOG_INODE_ALL;
+
+ /*
* a brute force approach to making sure we get the most uptodate
* copies of everything.
*/
@@ -5724,7 +5736,7 @@ process_leaf:
}

ctx->log_new_dentries = false;
- if (type == BTRFS_FT_DIR || type == BTRFS_FT_SYMLINK)
+ if (type == BTRFS_FT_DIR)
log_mode = LOG_INODE_ALL;
ret = btrfs_log_inode(trans, root, BTRFS_I(di_inode),
log_mode, ctx);



2022-05-10 21:47:13

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 61/70] KVM: x86: Do not change ICR on write to APIC_SELF_IPI

From: Paolo Bonzini <[email protected]>

[ Upstream commit d22a81b304a27fca6124174a8e842e826c193466 ]

Emulating writes to SELF_IPI with a write to ICR has an unwanted side effect:
the value of ICR in vAPIC page gets changed. The lists SELF_IPI as write-only,
with no associated MMIO offset, so any write should have no visible side
effect in the vAPIC page.

Reported-by: Chao Gao <[email protected]>
Reviewed-by: Sean Christopherson <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
arch/x86/kvm/lapic.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index de11149e28e0..e45ebf0870b6 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2106,10 +2106,9 @@ int kvm_lapic_reg_write(struct kvm_lapic *apic, u32 reg, u32 val)
break;

case APIC_SELF_IPI:
- if (apic_x2apic_mode(apic)) {
- kvm_lapic_reg_write(apic, APIC_ICR,
- APIC_DEST_SELF | (val & APIC_VECTOR_MASK));
- } else
+ if (apic_x2apic_mode(apic))
+ kvm_apic_send_ipi(apic, APIC_DEST_SELF | (val & APIC_VECTOR_MASK), 0);
+ else
ret = 1;
break;
default:
--
2.35.1




2022-05-10 21:49:08

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 20/70] ASoC: meson: Fix event generation for G12A tohdmi mux

From: Mark Brown <[email protected]>

commit 12131008fc13ff7f7690d170b7a8f72d24fd7d1e upstream.

The G12A tohdmi has a custom put() operation which returns 0 when the value
of the mux changes, meaning that events are not generated for userspace.
Change to return 1 in this case, the function returns early in the case
where there is no change.

Signed-off-by: Mark Brown <[email protected]>
Reviewed-by: Jerome Brunet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Cc: [email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/soc/meson/g12a-tohdmitx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/meson/g12a-tohdmitx.c
+++ b/sound/soc/meson/g12a-tohdmitx.c
@@ -67,7 +67,7 @@ static int g12a_tohdmitx_i2s_mux_put_enu

snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);

- return 0;
+ return 1;
}

static SOC_ENUM_SINGLE_DECL(g12a_tohdmitx_i2s_mux_enum, TOHDMITX_CTRL0,



2022-05-10 22:00:31

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 35/70] hwmon: (adt7470) Fix warning on module removal

From: Armin Wolf <[email protected]>

commit 7b2666ce445c700b8dcee994da44ddcf050a0842 upstream.

When removing the adt7470 module, a warning might be printed:

do not call blocking ops when !TASK_RUNNING; state=1
set at [<ffffffffa006052b>] adt7470_update_thread+0x7b/0x130 [adt7470]

This happens because adt7470_update_thread() can leave the kthread in
TASK_INTERRUPTIBLE state when the kthread is being stopped before
the call of set_current_state(). Since kthread_exit() might sleep in
exit_signals(), the warning is printed.
Fix that by using schedule_timeout_interruptible() and removing
the call of set_current_state().
This causes TASK_INTERRUPTIBLE to be set after kthread_should_stop()
which might cause the kthread to exit.

Reported-by: Zheyu Ma <[email protected]>
Fixes: 93cacfd41f82 (hwmon: (adt7470) Allow faster removal)
Signed-off-by: Armin Wolf <[email protected]>
Tested-by: Zheyu Ma <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/hwmon/adt7470.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -20,6 +20,7 @@
#include <linux/kthread.h>
#include <linux/slab.h>
#include <linux/util_macros.h>
+#include <linux/sched.h>

/* Addresses to scan */
static const unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END };
@@ -260,11 +261,10 @@ static int adt7470_update_thread(void *p
adt7470_read_temperatures(client, data);
mutex_unlock(&data->lock);

- set_current_state(TASK_INTERRUPTIBLE);
if (kthread_should_stop())
break;

- schedule_timeout(msecs_to_jiffies(data->auto_update_interval));
+ schedule_timeout_interruptible(msecs_to_jiffies(data->auto_update_interval));
}

return 0;



2022-05-10 22:01:40

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 48/70] net: cpsw: add missing of_node_put() in cpsw_probe_dt()

From: Yang Yingliang <[email protected]>

commit 95098d5ac2551769807031444e55a0da5d4f0952 upstream.

'tmp_node' need be put before returning from cpsw_probe_dt(),
so add missing of_node_put() in error path.

Fixes: ed3525eda4c4 ("net: ethernet: ti: introduce cpsw switchdev based driver part 1 - dual-emac")
Signed-off-by: Yang Yingliang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/ti/cpsw_new.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -1255,8 +1255,10 @@ static int cpsw_probe_dt(struct cpsw_com
data->slave_data = devm_kcalloc(dev, CPSW_SLAVE_PORTS_NUM,
sizeof(struct cpsw_slave_data),
GFP_KERNEL);
- if (!data->slave_data)
+ if (!data->slave_data) {
+ of_node_put(tmp_node);
return -ENOMEM;
+ }

/* Populate all the child nodes here...
*/
@@ -1353,6 +1355,7 @@ static int cpsw_probe_dt(struct cpsw_com

err_node_put:
of_node_put(port_np);
+ of_node_put(tmp_node);
return ret;
}




2022-05-10 22:04:22

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 41/70] net/mlx5: Avoid double clear or set of sync reset requested

From: Moshe Shemesh <[email protected]>

commit fc3d3db07b35885f238e1fa06b9f04a8fa7a62d0 upstream.

Double clear of reset requested state can lead to NULL pointer as it
will try to delete the timer twice. This can happen for example on a
race between abort from FW and pci error or reset. Avoid such case using
test_and_clear_bit() to verify only one time reset requested state clear
flow. Similarly use test_and_set_bit() to verify only one time reset
requested state set flow.

Fixes: 7dd6df329d4c ("net/mlx5: Handle sync reset abort event")
Signed-off-by: Moshe Shemesh <[email protected]>
Reviewed-by: Maher Sanalla <[email protected]>
Reviewed-by: Shay Drory <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c | 28 ++++++++++++++-------
1 file changed, 19 insertions(+), 9 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
@@ -134,14 +134,19 @@ static void mlx5_stop_sync_reset_poll(st
del_timer_sync(&fw_reset->timer);
}

-static void mlx5_sync_reset_clear_reset_requested(struct mlx5_core_dev *dev, bool poll_health)
+static int mlx5_sync_reset_clear_reset_requested(struct mlx5_core_dev *dev, bool poll_health)
{
struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset;

+ if (!test_and_clear_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags)) {
+ mlx5_core_warn(dev, "Reset request was already cleared\n");
+ return -EALREADY;
+ }
+
mlx5_stop_sync_reset_poll(dev);
- clear_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags);
if (poll_health)
mlx5_start_health_poll(dev);
+ return 0;
}

#define MLX5_RESET_POLL_INTERVAL (HZ / 10)
@@ -185,13 +190,17 @@ static int mlx5_fw_reset_set_reset_sync_
return mlx5_reg_mfrl_set(dev, MLX5_MFRL_REG_RESET_LEVEL3, 0, 2, false);
}

-static void mlx5_sync_reset_set_reset_requested(struct mlx5_core_dev *dev)
+static int mlx5_sync_reset_set_reset_requested(struct mlx5_core_dev *dev)
{
struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset;

+ if (test_and_set_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags)) {
+ mlx5_core_warn(dev, "Reset request was already set\n");
+ return -EALREADY;
+ }
mlx5_stop_health_poll(dev, true);
- set_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags);
mlx5_start_sync_reset_poll(dev);
+ return 0;
}

static void mlx5_fw_live_patch_event(struct work_struct *work)
@@ -225,7 +234,9 @@ static void mlx5_sync_reset_request_even
err ? "Failed" : "Sent");
return;
}
- mlx5_sync_reset_set_reset_requested(dev);
+ if (mlx5_sync_reset_set_reset_requested(dev))
+ return;
+
err = mlx5_fw_reset_set_reset_sync_ack(dev);
if (err)
mlx5_core_warn(dev, "PCI Sync FW Update Reset Ack Failed. Error code: %d\n", err);
@@ -325,7 +336,8 @@ static void mlx5_sync_reset_now_event(st
struct mlx5_core_dev *dev = fw_reset->dev;
int err;

- mlx5_sync_reset_clear_reset_requested(dev, false);
+ if (mlx5_sync_reset_clear_reset_requested(dev, false))
+ return;

mlx5_core_warn(dev, "Sync Reset now. Device is going to reset.\n");

@@ -354,10 +366,8 @@ static void mlx5_sync_reset_abort_event(
reset_abort_work);
struct mlx5_core_dev *dev = fw_reset->dev;

- if (!test_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags))
+ if (mlx5_sync_reset_clear_reset_requested(dev, true))
return;
-
- mlx5_sync_reset_clear_reset_requested(dev, true);
mlx5_core_warn(dev, "PCI Sync FW Update Reset Aborted.\n");
}




2022-05-10 22:10:49

by Greg Kroah-Hartman

[permalink] [raw]
Subject: [PATCH 5.10 06/70] mmc: core: Set HS clock speed before sending HS CMD13

From: Brian Norris <[email protected]>

commit 4bc31edebde51fcf8ad0794763b8679a7ecb5ec0 upstream.

Way back in commit 4f25580fb84d ("mmc: core: changes frequency to
hs_max_dtr when selecting hs400es"), Rockchip engineers noticed that
some eMMC don't respond to SEND_STATUS commands very reliably if they're
still running at a low initial frequency. As mentioned in that commit,
JESD84-B51 P49 suggests a sequence in which the host:
1. sets HS_TIMING
2. bumps the clock ("<= 52 MHz")
3. sends further commands

It doesn't exactly require that we don't use a lower-than-52MHz
frequency, but in practice, these eMMC don't like it.

The aforementioned commit tried to get that right for HS400ES, although
it's unclear whether this ever truly worked as committed into mainline,
as other changes/refactoring adjusted the sequence in conflicting ways:

08573eaf1a70 ("mmc: mmc: do not use CMD13 to get status after speed mode
switch")

53e60650f74e ("mmc: core: Allow CMD13 polling when switching to HS mode
for mmc")

In any case, today we do step 3 before step 2. Let's fix that, and also
apply the same logic to HS200/400, where this eMMC has problems too.

Resolves errors like this seen when booting some RK3399 Gru/Scarlet
systems:

[ 2.058881] mmc1: CQHCI version 5.10
[ 2.097545] mmc1: SDHCI controller on fe330000.mmc [fe330000.mmc] using ADMA
[ 2.209804] mmc1: mmc_select_hs400es failed, error -84
[ 2.215597] mmc1: error -84 whilst initialising MMC card
[ 2.417514] mmc1: mmc_select_hs400es failed, error -110
[ 2.423373] mmc1: error -110 whilst initialising MMC card
[ 2.605052] mmc1: mmc_select_hs400es failed, error -110
[ 2.617944] mmc1: error -110 whilst initialising MMC card
[ 2.835884] mmc1: mmc_select_hs400es failed, error -110
[ 2.841751] mmc1: error -110 whilst initialising MMC card

Ealier versions of this patch bumped to 200MHz/HS200 speeds too early,
which caused issues on, e.g., qcom-msm8974-fairphone-fp2. (Thanks for
the report Luca!) After a second look, it appears that aligns with
JESD84 / page 45 / table 28, so we need to keep to lower (HS / 52 MHz)
rates first.

Fixes: 08573eaf1a70 ("mmc: mmc: do not use CMD13 to get status after speed mode switch")
Fixes: 53e60650f74e ("mmc: core: Allow CMD13 polling when switching to HS mode for mmc")
Fixes: 4f25580fb84d ("mmc: core: changes frequency to hs_max_dtr when selecting hs400es")
Cc: Shawn Lin <[email protected]>
Link: https://lore.kernel.org/linux-mmc/11962455.O9o76ZdvQC@g550jk/
Reported-by: Luca Weiss <[email protected]>
Signed-off-by: Brian Norris <[email protected]>
Tested-by: Luca Weiss <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/20220422100824.v4.1.I484f4ee35609f78b932bd50feed639c29e64997e@changeid
Signed-off-by: Ulf Hansson <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/mmc/core/mmc.c | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)

--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1378,13 +1378,17 @@ static int mmc_select_hs400es(struct mmc
goto out_err;
}

+ /*
+ * Bump to HS timing and frequency. Some cards don't handle
+ * SEND_STATUS reliably at the initial frequency.
+ */
mmc_set_timing(host, MMC_TIMING_MMC_HS);
+ mmc_set_bus_speed(card);
+
err = mmc_switch_status(card, true);
if (err)
goto out_err;

- mmc_set_clock(host, card->ext_csd.hs_max_dtr);
-
/* Switch card to DDR with strobe bit */
val = EXT_CSD_DDR_BUS_WIDTH_8 | EXT_CSD_BUS_WIDTH_STROBE;
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
@@ -1442,7 +1446,7 @@ out_err:
static int mmc_select_hs200(struct mmc_card *card)
{
struct mmc_host *host = card->host;
- unsigned int old_timing, old_signal_voltage;
+ unsigned int old_timing, old_signal_voltage, old_clock;
int err = -EINVAL;
u8 val;

@@ -1473,8 +1477,17 @@ static int mmc_select_hs200(struct mmc_c
false, true);
if (err)
goto err;
+
+ /*
+ * Bump to HS timing and frequency. Some cards don't handle
+ * SEND_STATUS reliably at the initial frequency.
+ * NB: We can't move to full (HS200) speeds until after we've
+ * successfully switched over.
+ */
old_timing = host->ios.timing;
+ old_clock = host->ios.clock;
mmc_set_timing(host, MMC_TIMING_MMC_HS200);
+ mmc_set_clock(card->host, card->ext_csd.hs_max_dtr);

/*
* For HS200, CRC errors are not a reliable way to know the
@@ -1487,8 +1500,10 @@ static int mmc_select_hs200(struct mmc_c
* mmc_select_timing() assumes timing has not changed if
* it is a switch error.
*/
- if (err == -EBADMSG)
+ if (err == -EBADMSG) {
+ mmc_set_clock(host, old_clock);
mmc_set_timing(host, old_timing);
+ }
}
err:
if (err) {



2022-05-11 00:42:50

by Shuah Khan

[permalink] [raw]
Subject: Re: [PATCH 5.10 00/70] 5.10.115-rc1 review

On 5/10/22 7:07 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.115 release.
> There are 70 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 12 May 2022 13:07:16 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.115-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>

Compiled and booted on my test system. No dmesg regressions.

Tested-by: Shuah Khan <[email protected]>

thanks,
-- Shuah

2022-05-11 04:41:03

by Sudip Mukherjee

[permalink] [raw]
Subject: Re: [PATCH 5.10 00/70] 5.10.115-rc1 review

Hi Greg,

On Tue, May 10, 2022 at 2:25 PM Greg Kroah-Hartman
<[email protected]> wrote:
>
> This is the start of the stable review cycle for the 5.10.115 release.
> There are 70 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 12 May 2022 13:07:16 +0000.
> Anything received after that time might be too late.

Just some initial report for you.
As mentioned in the mail for 4.19-stable, it will also need
d422c6c0644b ("MIPS: Use address-of operator on section symbols").

But apart from that, there is also another failure.
drivers/usb/phy/phy-generic.c: In function 'usb_phy_gen_create_phy':
drivers/usb/phy/phy-generic.c:271:26: error: implicit declaration of
function 'devm_regulator_get_exclusive'; did you mean
'regulator_get_exclusive'? [-Werror=implicit-function-declaration]
271 | nop->vbus_draw = devm_regulator_get_exclusive(dev, "vbus");

This was introduced in v5.10.114 by d22d92230ffb ("usb: phy: generic:
Get the vbus supply") but I missed testing that release. :(


--
Regards
Sudip

2022-05-11 09:47:49

by Naresh Kamboju

[permalink] [raw]
Subject: Re: [PATCH 5.10 00/70] 5.10.115-rc1 review

On Tue, 10 May 2022 at 18:56, Greg Kroah-Hartman
<[email protected]> wrote:
>
> This is the start of the stable review cycle for the 5.10.115 release.
> There are 70 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 12 May 2022 13:07:16 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.115-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Results from Linaro’s test farm.
No regressions on arm64, arm, x86_64, and i386.

Tested-by: Linux Kernel Functional Testing <[email protected]>

## Build
* kernel: 5.10.115-rc1
* git: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
* git branch: linux-5.10.y
* git commit: b2286cf7a6972650a6163f327d11695fa11ef6c9
* git describe: v5.10.113-201-gb2286cf7a697
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.10.y/build/v5.10.113-201-gb2286cf7a697

## Test Regressions (compared to v5.10.113-3-gbc311a966773)
No test regressions found.

## Metric Regressions (compared to v5.10.113-3-gbc311a966773)
No metric regressions found.

## Test Fixes (compared to v5.10.113-3-gbc311a966773)
No test fixes found.

## Metric Fixes (compared to v5.10.113-3-gbc311a966773)
No metric fixes found.

## Test result summary
total: 97056, pass: 82218, fail: 649, skip: 13165, xfail: 1024

## Build Summary
* arc: 10 total, 10 passed, 0 failed
* arm: 291 total, 291 passed, 0 failed
* arm64: 41 total, 41 passed, 0 failed
* i386: 39 total, 39 passed, 0 failed
* mips: 37 total, 37 passed, 0 failed
* parisc: 12 total, 12 passed, 0 failed
* powerpc: 60 total, 51 passed, 9 failed
* riscv: 27 total, 27 passed, 0 failed
* s390: 21 total, 21 passed, 0 failed
* sh: 24 total, 24 passed, 0 failed
* sparc: 12 total, 12 passed, 0 failed
* x86_64: 41 total, 41 passed, 0 failed

## Test suites summary
* fwts
* igt-gpu-tools
* kselftest-android
* kselftest-arm64
* kselftest-breakpoints
* kselftest-capabilities
* kselftest-cgroup
* kselftest-clone3
* kselftest-core
* kselftest-cpu-hotplug
* kselftest-cpufreq
* kselftest-drivers
* kselftest-efivarfs
* kselftest-filesystems
* kselftest-firmware
* kselftest-fpu
* kselftest-futex
* kselftest-gpio
* kselftest-intel_pstate
* kselftest-ipc
* kselftest-ir
* kselftest-kcmp
* kselftest-kexec
* kselftest-kvm
* kselftest-lib
* kselftest-livepatch
* kselftest-membarrier
* kselftest-memfd
* kselftest-memory-hotplug
* kselftest-mincore
* kselftest-mount
* kselftest-mqueue
* kselftest-net
* kselftest-openat2
* kselftest-pid_namespace
* kselftest-pidfd
* kselftest-proc
* kselftest-pstore
* kselftest-ptrace
* kselftest-rseq
* kselftest-rtc
* kselftest-timens
* kselftest-timers
* kselftest-tmpfs
* kselftest-tpm2
* kselftest-user
* kselftest-vm
* kselftest-x86
* kselftest-zram
* kunit
* kvm-unit-tests
* libgpiod
* libhugetlbfs
* linux-log-parser
* ltp-cap_bounds-tests
* ltp-commands-tests
* ltp-containers-tests
* ltp-controllers-tests
* ltp-cpuhotplug-tests
* ltp-crypto-tests
* ltp-cve-tests
* ltp-dio-tests
* ltp-fcntl-locktests-tests
* ltp-filecaps-tests
* ltp-fs-tests
* ltp-fs_bind-tests
* ltp-fs_perms_simple-tests
* ltp-fsx-tests
* ltp-hugetlb-tests
* ltp-io-tests
* ltp-ipc-tests
* ltp-math-tests
* ltp-mm-tests
* ltp-nptl-tests
* ltp-open-posix-tests
* ltp-pty-tests
* ltp-sched-tests
* ltp-securebits-tests
* ltp-syscalls-tests
* ltp-tracing-tests
* network-basic-tests
* packetdrill
* perf
* rcutorture
* ssuite
* v4l2-compliance
* vdso

--
Linaro LKFT
https://lkft.linaro.org

2022-05-11 11:38:54

by Sudip Mukherjee

[permalink] [raw]
Subject: Re: [PATCH 5.10 00/70] 5.10.115-rc1 review

Hi Greg,

On Tue, May 10, 2022 at 03:07:19PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.115 release.
> There are 70 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 12 May 2022 13:07:16 +0000.
> Anything received after that time might be too late.

Build test (gcc-11):
mips (gcc version 11.2.1 20220408): 63 configs -> 1 new failure
arm (gcc version 11.2.1 20220408): 105 configs -> 1 new failure
arm64 (gcc version 11.2.1 20220408): 3 configs -> no failure
x86_64 (gcc version 11.2.1 20220408): 4 configs -> no failure

mips xway_defconfig and arm hisi_defconfig both failed with:

drivers/usb/phy/phy-generic.c: In function 'usb_phy_gen_create_phy':
drivers/usb/phy/phy-generic.c:271:26: error: implicit declaration of function 'devm_regulator_get_exclusive'; did you mean 'regulator_get_exclusive'? [-Werror=implicit-function-declaration]
271 | nop->vbus_draw = devm_regulator_get_exclusive(dev, "vbus");

It was introduced in v5.10.114 by d22d92230ffb ("usb: phy: generic: Get the vbus supply")

Build test (gcc-12):
Mips builds are failing. Needs d422c6c0644b ("MIPS: Use address-of operator on section
symbols")
arm64 allmodconfig failed. Will check later what is needed for arm64.

Boot test:
x86_64: Booted on my test laptop. No regression.
x86_64: Booted on qemu. No regression. [1]
arm64: Booted on rpi4b (4GB model). No regression. [2]

[1]. https://openqa.qa.codethink.co.uk/tests/1123
[2]. https://openqa.qa.codethink.co.uk/tests/1125


Tested-by: Sudip Mukherjee <[email protected]>

--
Regards
Sudip


2022-05-11 12:52:01

by Guenter Roeck

[permalink] [raw]
Subject: Re: [PATCH 5.10 00/70] 5.10.115-rc1 review

On Tue, May 10, 2022 at 03:07:19PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.115 release.
> There are 70 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 12 May 2022 13:07:16 +0000.
> Anything received after that time might be too late.
>

Build results:
total: 161 pass: 161 fail: 0
Qemu test results:
total: 477 pass: 477 fail: 0

Tested-by: Guenter Roeck <[email protected]>

Guenter

2022-05-14 00:48:07

by Greg Kroah-Hartman

[permalink] [raw]
Subject: Re: [PATCH 5.10 00/70] 5.10.115-rc1 review

On Tue, May 10, 2022 at 09:44:26PM +0100, Sudip Mukherjee wrote:
> Hi Greg,
>
> On Tue, May 10, 2022 at 2:25 PM Greg Kroah-Hartman
> <[email protected]> wrote:
> >
> > This is the start of the stable review cycle for the 5.10.115 release.
> > There are 70 patches in this series, all will be posted as a response
> > to this one. If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Thu, 12 May 2022 13:07:16 +0000.
> > Anything received after that time might be too late.
>
> Just some initial report for you.
> As mentioned in the mail for 4.19-stable, it will also need
> d422c6c0644b ("MIPS: Use address-of operator on section symbols").
>
> But apart from that, there is also another failure.
> drivers/usb/phy/phy-generic.c: In function 'usb_phy_gen_create_phy':
> drivers/usb/phy/phy-generic.c:271:26: error: implicit declaration of
> function 'devm_regulator_get_exclusive'; did you mean
> 'regulator_get_exclusive'? [-Werror=implicit-function-declaration]
> 271 | nop->vbus_draw = devm_regulator_get_exclusive(dev, "vbus");
>
> This was introduced in v5.10.114 by d22d92230ffb ("usb: phy: generic:
> Get the vbus supply") but I missed testing that release. :(

Should now be fixed, thanks.

greg k-h