2020-07-13 21:33:16

by Steve Wahl

[permalink] [raw]
Subject: [patch v3 01/13] x86: Remove support for UV1 platform from uv_time.c

arch/x86/platform/uv/uv_time.c: remove UV1 support

Signed-off-by: Steve Wahl <[email protected]>
---
arch/x86/platform/uv/uv_time.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)

--- linux.orig/arch/x86/platform/uv/uv_time.c 2020-07-07 10:49:50.565510013 -0500
+++ linux/arch/x86/platform/uv/uv_time.c 2020-07-07 10:56:13.473047822 -0500
@@ -74,7 +74,6 @@ static void uv_rtc_send_IPI(int cpu)

apicid = cpu_physical_id(cpu);
pnode = uv_apicid_to_pnode(apicid);
- apicid |= uv_apicid_hibits;
val = (1UL << UVH_IPI_INT_SEND_SHFT) |
(apicid << UVH_IPI_INT_APIC_ID_SHFT) |
(X86_PLATFORM_IPI_VECTOR << UVH_IPI_INT_VECTOR_SHFT);
@@ -85,10 +84,7 @@ static void uv_rtc_send_IPI(int cpu)
/* Check for an RTC interrupt pending */
static int uv_intr_pending(int pnode)
{
- if (is_uv1_hub())
- return uv_read_global_mmr64(pnode, UVH_EVENT_OCCURRED0) &
- UV1H_EVENT_OCCURRED0_RTC1_MASK;
- else if (is_uvx_hub())
+ if (is_uvx_hub())
return uv_read_global_mmr64(pnode, UVXH_EVENT_OCCURRED2) &
UVXH_EVENT_OCCURRED2_RTC_1_MASK;
return 0;
@@ -98,19 +94,15 @@ static int uv_intr_pending(int pnode)
static int uv_setup_intr(int cpu, u64 expires)
{
u64 val;
- unsigned long apicid = cpu_physical_id(cpu) | uv_apicid_hibits;
+ unsigned long apicid = cpu_physical_id(cpu);
int pnode = uv_cpu_to_pnode(cpu);

uv_write_global_mmr64(pnode, UVH_RTC1_INT_CONFIG,
UVH_RTC1_INT_CONFIG_M_MASK);
uv_write_global_mmr64(pnode, UVH_INT_CMPB, -1L);

- if (is_uv1_hub())
- uv_write_global_mmr64(pnode, UVH_EVENT_OCCURRED0_ALIAS,
- UV1H_EVENT_OCCURRED0_RTC1_MASK);
- else
- uv_write_global_mmr64(pnode, UVXH_EVENT_OCCURRED2_ALIAS,
- UVXH_EVENT_OCCURRED2_RTC_1_MASK);
+ uv_write_global_mmr64(pnode, UVXH_EVENT_OCCURRED2_ALIAS,
+ UVXH_EVENT_OCCURRED2_RTC_1_MASK);

val = (X86_PLATFORM_IPI_VECTOR << UVH_RTC1_INT_CONFIG_VECTOR_SHFT) |
((u64)apicid << UVH_RTC1_INT_CONFIG_APIC_ID_SHFT);


Subject: [tip: x86/platform] x86/platform/uv: Remove support for UV1 platform from uv_time

The following commit has been merged into the x86/platform branch of tip:

Commit-ID: 8b3c9b160648ceb9ec4068080fd055fdc04e35a7
Gitweb: https://git.kernel.org/tip/8b3c9b160648ceb9ec4068080fd055fdc04e35a7
Author: [email protected] <[email protected]>
AuthorDate: Mon, 13 Jul 2020 16:29:55 -05:00
Committer: Thomas Gleixner <[email protected]>
CommitterDate: Fri, 17 Jul 2020 16:47:43 +02:00

x86/platform/uv: Remove support for UV1 platform from uv_time

UV1 is not longer supported

Signed-off-by: Steve Wahl <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]

---
arch/x86/platform/uv/uv_time.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/arch/x86/platform/uv/uv_time.c b/arch/x86/platform/uv/uv_time.c
index 7af31b2..f82a133 100644
--- a/arch/x86/platform/uv/uv_time.c
+++ b/arch/x86/platform/uv/uv_time.c
@@ -74,7 +74,6 @@ static void uv_rtc_send_IPI(int cpu)

apicid = cpu_physical_id(cpu);
pnode = uv_apicid_to_pnode(apicid);
- apicid |= uv_apicid_hibits;
val = (1UL << UVH_IPI_INT_SEND_SHFT) |
(apicid << UVH_IPI_INT_APIC_ID_SHFT) |
(X86_PLATFORM_IPI_VECTOR << UVH_IPI_INT_VECTOR_SHFT);
@@ -85,10 +84,7 @@ static void uv_rtc_send_IPI(int cpu)
/* Check for an RTC interrupt pending */
static int uv_intr_pending(int pnode)
{
- if (is_uv1_hub())
- return uv_read_global_mmr64(pnode, UVH_EVENT_OCCURRED0) &
- UV1H_EVENT_OCCURRED0_RTC1_MASK;
- else if (is_uvx_hub())
+ if (is_uvx_hub())
return uv_read_global_mmr64(pnode, UVXH_EVENT_OCCURRED2) &
UVXH_EVENT_OCCURRED2_RTC_1_MASK;
return 0;
@@ -98,19 +94,15 @@ static int uv_intr_pending(int pnode)
static int uv_setup_intr(int cpu, u64 expires)
{
u64 val;
- unsigned long apicid = cpu_physical_id(cpu) | uv_apicid_hibits;
+ unsigned long apicid = cpu_physical_id(cpu);
int pnode = uv_cpu_to_pnode(cpu);

uv_write_global_mmr64(pnode, UVH_RTC1_INT_CONFIG,
UVH_RTC1_INT_CONFIG_M_MASK);
uv_write_global_mmr64(pnode, UVH_INT_CMPB, -1L);

- if (is_uv1_hub())
- uv_write_global_mmr64(pnode, UVH_EVENT_OCCURRED0_ALIAS,
- UV1H_EVENT_OCCURRED0_RTC1_MASK);
- else
- uv_write_global_mmr64(pnode, UVXH_EVENT_OCCURRED2_ALIAS,
- UVXH_EVENT_OCCURRED2_RTC_1_MASK);
+ uv_write_global_mmr64(pnode, UVXH_EVENT_OCCURRED2_ALIAS,
+ UVXH_EVENT_OCCURRED2_RTC_1_MASK);

val = (X86_PLATFORM_IPI_VECTOR << UVH_RTC1_INT_CONFIG_VECTOR_SHFT) |
((u64)apicid << UVH_RTC1_INT_CONFIG_APIC_ID_SHFT);