Ever since commit 45f035ab9b8f ("CONFIG_HOTPLUG should be always on"),
it has been basically impossible to build a kernel with CONFIG_HOTPLUG
turned off. Remove all the remaining references to it.
Cc: [email protected]
Cc: Russell King <[email protected]>
Cc: [email protected]
Cc: Doug Thompson <[email protected]>
Cc: [email protected]
Cc: Bjorn Helgaas <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Hans Verkuil <[email protected]>
Cc: Steven Whitehouse <[email protected]>
Cc: [email protected]
Cc: Arnd Bergmann <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Cc: [email protected]
Cc: Andrew Morton <[email protected]>
Cc: [email protected]
Signed-off-by: Stephen Rothwell <[email protected]>
---
Documentation/ABI/testing/sysfs-bus-pci | 5 +----
Documentation/SubmitChecklist | 2 +-
Documentation/cpu-hotplug.txt | 2 +-
Documentation/hwmon/submitting-patches | 3 +--
Documentation/kbuild/kconfig.txt | 2 +-
Documentation/usb/hotplug.txt | 6 +++---
arch/arm/Kconfig | 2 +-
arch/arm/kernel/module.c | 8 --------
arch/arm/kernel/vmlinux.lds.S | 4 ----
arch/arm/mach-ixp4xx/Kconfig | 1 -
arch/blackfin/Kconfig | 2 +-
arch/cris/arch-v32/drivers/Kconfig | 1 -
arch/ia64/Kconfig | 1 -
arch/mips/Kconfig | 2 +-
arch/parisc/Kconfig | 1 -
arch/powerpc/Kconfig | 2 +-
arch/powerpc/mm/tlb_hash64.c | 4 ++--
arch/s390/Kconfig | 1 -
arch/sh/Kconfig | 2 +-
arch/sparc/Kconfig | 1 -
arch/x86/Kconfig | 2 +-
drivers/base/Kconfig | 2 --
drivers/char/pcmcia/Kconfig | 2 +-
drivers/edac/Kconfig | 2 +-
drivers/pci/Kconfig | 2 --
drivers/pci/hotplug/Kconfig | 2 +-
drivers/pcmcia/Kconfig | 1 -
drivers/staging/media/go7007/go7007.txt | 1 -
fs/gfs2/Kconfig | 5 ++---
include/asm-generic/vmlinux.lds.h | 20 --------------------
init/Kconfig | 3 ---
kernel/power/Kconfig | 1 -
mm/Kconfig | 2 +-
33 files changed, 22 insertions(+), 75 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index 1ce5ae3..5210a51 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -64,7 +64,6 @@ Description:
Writing a non-zero value to this attribute will
force a rescan of all PCI buses in the system, and
re-discover previously removed devices.
- Depends on CONFIG_HOTPLUG.
What: /sys/bus/pci/devices/.../msi_irqs/
Date: September, 2011
@@ -90,7 +89,6 @@ Contact: Linux PCI developers <[email protected]>
Description:
Writing a non-zero value to this attribute will
hot-remove the PCI device and any of its children.
- Depends on CONFIG_HOTPLUG.
What: /sys/bus/pci/devices/.../pci_bus/.../rescan
Date: May 2011
@@ -99,7 +97,7 @@ Description:
Writing a non-zero value to this attribute will
force a rescan of the bus and all child buses,
and re-discover devices removed earlier from this
- part of the device tree. Depends on CONFIG_HOTPLUG.
+ part of the device tree.
What: /sys/bus/pci/devices/.../rescan
Date: January 2009
@@ -109,7 +107,6 @@ Description:
force a rescan of the device's parent bus and all
child buses, and re-discover devices removed earlier
from this part of the device tree.
- Depends on CONFIG_HOTPLUG.
What: /sys/bus/pci/devices/.../reset
Date: July 2009
diff --git a/Documentation/SubmitChecklist b/Documentation/SubmitChecklist
index dc0e332..2b7e32d 100644
--- a/Documentation/SubmitChecklist
+++ b/Documentation/SubmitChecklist
@@ -105,5 +105,5 @@ kernel patches.
same time, just various/random combinations of them]:
CONFIG_SMP, CONFIG_SYSFS, CONFIG_PROC_FS, CONFIG_INPUT, CONFIG_PCI,
- CONFIG_BLOCK, CONFIG_PM, CONFIG_HOTPLUG, CONFIG_MAGIC_SYSRQ,
+ CONFIG_BLOCK, CONFIG_PM, CONFIG_MAGIC_SYSRQ,
CONFIG_NET, CONFIG_INET=n (but latter with CONFIG_NET=y)
diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt
index 9f40135..0efd1b9 100644
--- a/Documentation/cpu-hotplug.txt
+++ b/Documentation/cpu-hotplug.txt
@@ -128,7 +128,7 @@ A: When doing make defconfig, Enable CPU hotplug support
"Processor type and Features" -> Support for Hotpluggable CPUs
-Make sure that you have CONFIG_HOTPLUG, and CONFIG_SMP turned on as well.
+Make sure that you have CONFIG_SMP turned on as well.
You would need to enable CONFIG_HOTPLUG_CPU for SMP suspend/resume support
as well.
diff --git a/Documentation/hwmon/submitting-patches b/Documentation/hwmon/submitting-patches
index 843751c..4628646 100644
--- a/Documentation/hwmon/submitting-patches
+++ b/Documentation/hwmon/submitting-patches
@@ -27,8 +27,7 @@ increase the chances of your change being accepted.
explicitly below the patch header.
* If your patch (or the driver) is affected by configuration options such as
- CONFIG_SMP or CONFIG_HOTPLUG, make sure it compiles for all configuration
- variants.
+ CONFIG_SMP, make sure it compiles for all configuration variants.
2. Adding functionality to existing drivers
diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt
index 3f429ed..213859e 100644
--- a/Documentation/kbuild/kconfig.txt
+++ b/Documentation/kbuild/kconfig.txt
@@ -165,7 +165,7 @@ Searching in menuconfig:
Example:
/hotplug
This lists all config symbols that contain "hotplug",
- e.g., HOTPLUG, HOTPLUG_CPU, MEMORY_HOTPLUG.
+ e.g., HOTPLUG_CPU, MEMORY_HOTPLUG.
For search help, enter / followed TAB-TAB-TAB (to highlight
<Help>) and Enter. This will tell you that you can also use
diff --git a/Documentation/usb/hotplug.txt b/Documentation/usb/hotplug.txt
index 4c94571..6424b13 100644
--- a/Documentation/usb/hotplug.txt
+++ b/Documentation/usb/hotplug.txt
@@ -33,9 +33,9 @@ you get the best hotplugging when you configure a highly modular system.
KERNEL HOTPLUG HELPER (/sbin/hotplug)
-When you compile with CONFIG_HOTPLUG, you get a new kernel parameter:
-/proc/sys/kernel/hotplug, which normally holds the pathname "/sbin/hotplug".
-That parameter names a program which the kernel may invoke at various times.
+There is a kernel parameter: /proc/sys/kernel/hotplug, which normally
+holds the pathname "/sbin/hotplug". That parameter names a program
+which the kernel may invoke at various times.
The /sbin/hotplug program can be invoked by any subsystem as part of its
reaction to a configuration change, from a thread in that subsystem.
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d423d58..b30db02 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1527,7 +1527,7 @@ config NR_CPUS
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
- depends on SMP && HOTPLUG
+ depends on SMP
help
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu.
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 1e9be5d..85c3fb6 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -288,24 +288,16 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
if (strcmp(".ARM.exidx.init.text", secname) == 0)
maps[ARM_SEC_INIT].unw_sec = s;
- else if (strcmp(".ARM.exidx.devinit.text", secname) == 0)
- maps[ARM_SEC_DEVINIT].unw_sec = s;
else if (strcmp(".ARM.exidx", secname) == 0)
maps[ARM_SEC_CORE].unw_sec = s;
else if (strcmp(".ARM.exidx.exit.text", secname) == 0)
maps[ARM_SEC_EXIT].unw_sec = s;
- else if (strcmp(".ARM.exidx.devexit.text", secname) == 0)
- maps[ARM_SEC_DEVEXIT].unw_sec = s;
else if (strcmp(".init.text", secname) == 0)
maps[ARM_SEC_INIT].txt_sec = s;
- else if (strcmp(".devinit.text", secname) == 0)
- maps[ARM_SEC_DEVINIT].txt_sec = s;
else if (strcmp(".text", secname) == 0)
maps[ARM_SEC_CORE].txt_sec = s;
else if (strcmp(".exit.text", secname) == 0)
maps[ARM_SEC_EXIT].txt_sec = s;
- else if (strcmp(".devexit.text", secname) == 0)
- maps[ARM_SEC_DEVEXIT].txt_sec = s;
}
for (i = 0; i < ARM_SEC_MAX; i++)
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index a871b8e..fa25e4e 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -70,10 +70,6 @@ SECTIONS
ARM_EXIT_DISCARD(EXIT_TEXT)
ARM_EXIT_DISCARD(EXIT_DATA)
EXIT_CALL
-#ifndef CONFIG_HOTPLUG
- *(.ARM.exidx.devexit.text)
- *(.ARM.extab.devexit.text)
-#endif
#ifndef CONFIG_MMU
*(.fixup)
*(__ex_table)
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index 73a2d90..30e1ebe 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -235,7 +235,6 @@ config IXP4XX_QMGR
config IXP4XX_NPE
tristate "IXP4xx Network Processor Engine support"
select FW_LOADER
- select HOTPLUG
help
This driver supports IXP4xx built-in network coprocessors
and is automatically selected by Ethernet and HSS drivers.
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index a117652..b573827 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -253,7 +253,7 @@ config NR_CPUS
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
- depends on SMP && HOTPLUG
+ depends on SMP
default y
config BF_REV_MIN
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
index c55971a..ab725ed 100644
--- a/arch/cris/arch-v32/drivers/Kconfig
+++ b/arch/cris/arch-v32/drivers/Kconfig
@@ -617,7 +617,6 @@ config ETRAX_PV_CHANGEABLE_BITS
config ETRAX_CARDBUS
bool "Cardbus support"
depends on ETRAX_ARCH_V32
- select HOTPLUG
help
Enabled the ETRAX Cardbus driver.
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 1a2b774..5a768ad 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -376,7 +376,6 @@ config NR_CPUS
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
depends on SMP
- select HOTPLUG
default n
---help---
Say Y here to experiment with turning CPUs off and on. CPUs
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 7a58ab9..e433b90 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -962,7 +962,7 @@ config SYS_HAS_EARLY_PRINTK
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
- depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
+ depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
help
Say Y here to allow turning CPUs off and on. CPUs can be
controlled through /sys/devices/system/cpu.
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index cad060f..6d0969a 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -254,7 +254,6 @@ config IRQSTACKS
config HOTPLUG_CPU
bool
default y if SMP
- select HOTPLUG
config ARCH_SELECT_MEMORY_MODEL
def_bool y
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index c33e3ad..508e3fe 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -341,7 +341,7 @@ config SWIOTLB
config HOTPLUG_CPU
bool "Support for enabling/disabling CPUs"
- depends on SMP && HOTPLUG && (PPC_PSERIES || \
+ depends on SMP && (PPC_PSERIES || \
PPC_PMAC || PPC_POWERNV || (PPC_85xx && !PPC_E500MC))
---help---
Say Y here to be able to disable and re-enable individual
diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c
index 023ec8a..7df1c5e 100644
--- a/arch/powerpc/mm/tlb_hash64.c
+++ b/arch/powerpc/mm/tlb_hash64.c
@@ -183,8 +183,8 @@ void tlb_flush(struct mmu_gather *tlb)
* since 64K pages may overlap with other bridges when using 64K pages
* with 4K HW pages on IO space.
*
- * Because of that usage pattern, it's only available with CONFIG_HOTPLUG
- * and is implemented for small size rather than speed.
+ * Because of that usage pattern, it is implemented for small size rather
+ * than speed.
*/
void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
unsigned long end)
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2c9789d..d97868b 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -302,7 +302,6 @@ config HOTPLUG_CPU
def_bool y
prompt "Support for hot-pluggable CPUs"
depends on SMP
- select HOTPLUG
help
Say Y here to be able to turn CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu/cpu#.
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 8c868cf..1020dd8 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -748,7 +748,7 @@ config NR_CPUS
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
- depends on SMP && HOTPLUG
+ depends on SMP
help
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu.
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 9ac9f16..a00cbd3 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -243,7 +243,6 @@ config SECCOMP
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
depends on SPARC64 && SMP
- select HOTPLUG
help
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu/cpu#.
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 6a154a9..770cf04 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1726,7 +1726,7 @@ config PHYSICAL_ALIGN
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
- depends on SMP && HOTPLUG
+ depends on SMP
---help---
Say Y here to allow turning CPUs off and on. CPUs can be
controlled through /sys/devices/system/cpu.
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 07abd9d..5daa259 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -2,7 +2,6 @@ menu "Generic Driver Options"
config UEVENT_HELPER_PATH
string "path to uevent helper"
- depends on HOTPLUG
default ""
help
Path to uevent helper program forked by the kernel for
@@ -23,7 +22,6 @@ config UEVENT_HELPER_PATH
config DEVTMPFS
bool "Maintain a devtmpfs filesystem to mount at /dev"
- depends on HOTPLUG
help
This creates a tmpfs/ramfs filesystem instance early at bootup.
In this filesystem, the kernel driver core maintains device
diff --git a/drivers/char/pcmcia/Kconfig b/drivers/char/pcmcia/Kconfig
index 2a166d5..b27f534 100644
--- a/drivers/char/pcmcia/Kconfig
+++ b/drivers/char/pcmcia/Kconfig
@@ -3,7 +3,7 @@
#
menu "PCMCIA character devices"
- depends on HOTPLUG && PCMCIA!=n
+ depends on PCMCIA!=n
config SYNCLINK_CS
tristate "SyncLink PC Card support"
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index e443f2c1..a697a64 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -145,7 +145,7 @@ config EDAC_E7XXX
config EDAC_E752X
tristate "Intel e752x (e7520, e7525, e7320) and 3100"
- depends on EDAC_MM_EDAC && PCI && X86 && HOTPLUG
+ depends on EDAC_MM_EDAC && PCI && X86
help
Support for error detection and correction on the Intel
E7520, E7525, E7320 server chipsets.
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 6d51aa6..77497f1 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -55,7 +55,6 @@ config PCI_STUB
config XEN_PCIDEV_FRONTEND
tristate "Xen PCI Frontend"
depends on PCI && X86 && XEN
- select HOTPLUG
select PCI_XEN
select XEN_XENBUS_FRONTEND
default y
@@ -113,7 +112,6 @@ config PCI_IOAPIC
tristate "PCI IO-APIC hotplug support" if X86
depends on PCI
depends on ACPI
- depends on HOTPLUG
default !X86
config PCI_LABEL
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index 9fcb87f..bb7ebb2 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -4,7 +4,7 @@
menuconfig HOTPLUG_PCI
tristate "Support for PCI Hotplug"
- depends on PCI && HOTPLUG && SYSFS
+ depends on PCI && SYSFS
---help---
Say Y here if you have a motherboard with a PCI Hotplug controller.
This allows you to add and remove PCI cards while the machine is
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index b90f85b..1c63624 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -4,7 +4,6 @@
menuconfig PCCARD
tristate "PCCard (PCMCIA/CardBus) support"
- depends on HOTPLUG
---help---
Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
computer. These are credit-card size devices such as network cards,
diff --git a/drivers/staging/media/go7007/go7007.txt b/drivers/staging/media/go7007/go7007.txt
index fcb3e23..dc0026c 100644
--- a/drivers/staging/media/go7007/go7007.txt
+++ b/drivers/staging/media/go7007/go7007.txt
@@ -78,7 +78,6 @@ All vendor-built kernels should already be configured properly. However,
for custom-built kernels, the following options need to be enabled in the
kernel as built-in or modules:
- CONFIG_HOTPLUG - Support for hot-pluggable devices
CONFIG_MODULES - Enable loadable module support
CONFIG_KMOD - Automatic kernel module loading
CONFIG_FW_LOADER - Hotplug firmware loading support
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index eb08c9e..432ea56 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -20,13 +20,12 @@ config GFS2_FS
be found here: http://sources.redhat.com/cluster
The "nolock" lock module is now built in to GFS2 by default. If
- you want to use the DLM, be sure to enable HOTPLUG and IPv4/6
- networking.
+ you want to use the DLM, be sure to enable IPv4/6 networking.
config GFS2_FS_LOCKING_DLM
bool "GFS2 DLM locking"
depends on (GFS2_FS!=n) && NET && INET && (IPV6 || IPV6=n) && \
- HOTPLUG && DLM && CONFIGFS_FS && SYSFS
+ DLM && CONFIGFS_FS && SYSFS
help
Multiple node locking module for GFS2
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index eb58d2d..4f27372 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -68,14 +68,6 @@
* are handled as text/data or they can be discarded (which
* often happens at runtime)
*/
-#ifdef CONFIG_HOTPLUG
-#define DEV_KEEP(sec) *(.dev##sec)
-#define DEV_DISCARD(sec)
-#else
-#define DEV_KEEP(sec)
-#define DEV_DISCARD(sec) *(.dev##sec)
-#endif
-
#ifdef CONFIG_HOTPLUG_CPU
#define CPU_KEEP(sec) *(.cpu##sec)
#define CPU_DISCARD(sec)
@@ -182,8 +174,6 @@
*(.data) \
*(.ref.data) \
*(.data..shared_aligned) /* percpu related */ \
- DEV_KEEP(init.data) \
- DEV_KEEP(exit.data) \
CPU_KEEP(init.data) \
CPU_KEEP(exit.data) \
MEM_KEEP(init.data) \
@@ -372,8 +362,6 @@
/* __*init sections */ \
__init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
*(.ref.rodata) \
- DEV_KEEP(init.rodata) \
- DEV_KEEP(exit.rodata) \
CPU_KEEP(init.rodata) \
CPU_KEEP(exit.rodata) \
MEM_KEEP(init.rodata) \
@@ -416,8 +404,6 @@
*(.text.hot) \
*(.text) \
*(.ref.text) \
- DEV_KEEP(init.text) \
- DEV_KEEP(exit.text) \
CPU_KEEP(init.text) \
CPU_KEEP(exit.text) \
MEM_KEEP(init.text) \
@@ -503,7 +489,6 @@
/* init and exit section handling */
#define INIT_DATA \
*(.init.data) \
- DEV_DISCARD(init.data) \
CPU_DISCARD(init.data) \
MEM_DISCARD(init.data) \
KERNEL_CTORS() \
@@ -511,7 +496,6 @@
*(.init.rodata) \
FTRACE_EVENTS() \
TRACE_SYSCALLS() \
- DEV_DISCARD(init.rodata) \
CPU_DISCARD(init.rodata) \
MEM_DISCARD(init.rodata) \
CLK_OF_TABLES() \
@@ -521,14 +505,11 @@
#define INIT_TEXT \
*(.init.text) \
- DEV_DISCARD(init.text) \
CPU_DISCARD(init.text) \
MEM_DISCARD(init.text)
#define EXIT_DATA \
*(.exit.data) \
- DEV_DISCARD(exit.data) \
- DEV_DISCARD(exit.rodata) \
CPU_DISCARD(exit.data) \
CPU_DISCARD(exit.rodata) \
MEM_DISCARD(exit.data) \
@@ -536,7 +517,6 @@
#define EXIT_TEXT \
*(.exit.text) \
- DEV_DISCARD(exit.text) \
CPU_DISCARD(exit.text) \
MEM_DISCARD(exit.text)
diff --git a/init/Kconfig b/init/Kconfig
index 9d3a788..a5e0917 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1244,9 +1244,6 @@ config SYSCTL_ARCH_UNALIGN_ALLOW
the unaligned access emulation.
see arch/parisc/kernel/unaligned.c for reference
-config HOTPLUG
- def_bool y
-
config HAVE_PCSPKR_PLATFORM
bool
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 5dfdc9e..9c39de0 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -100,7 +100,6 @@ config PM_SLEEP_SMP
depends on SMP
depends on ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE
depends on PM_SLEEP
- select HOTPLUG
select HOTPLUG_CPU
config PM_AUTOSLEEP
diff --git a/mm/Kconfig b/mm/Kconfig
index e742d06..f5e698e 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -173,7 +173,7 @@ config HAVE_BOOTMEM_INFO_NODE
config MEMORY_HOTPLUG
bool "Allow for memory hot-add"
depends on SPARSEMEM || X86_64_ACPI_NUMA
- depends on HOTPLUG && ARCH_ENABLE_MEMORY_HOTPLUG
+ depends on ARCH_ENABLE_MEMORY_HOTPLUG
depends on (IA64 || X86 || PPC_BOOK3S_64 || SUPERH || S390)
config MEMORY_HOTPLUG_SPARSE
--
1.8.1
On Tue 21 May 2013 05:49:35 Stephen Rothwell wrote:
> Ever since commit 45f035ab9b8f ("CONFIG_HOTPLUG should be always on"),
> it has been basically impossible to build a kernel with CONFIG_HOTPLUG
> turned off. Remove all the remaining references to it.
>
> Cc: [email protected]
> Cc: Russell King <[email protected]>
> Cc: [email protected]
> Cc: Doug Thompson <[email protected]>
> Cc: [email protected]
> Cc: Bjorn Helgaas <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: Hans Verkuil <[email protected]>
> Cc: Steven Whitehouse <[email protected]>
> Cc: [email protected]
> Cc: Arnd Bergmann <[email protected]>
> Cc: Pavel Machek <[email protected]>
> Cc: "Rafael J. Wysocki" <[email protected]>
> Cc: [email protected]
> Cc: Andrew Morton <[email protected]>
> Cc: [email protected]
> Signed-off-by: Stephen Rothwell <[email protected]>
For drivers/staging/media/go7007/go7007.txt:
Acked-by: Hans Verkuil <[email protected]>
Regards,
Hans
Are you changing the code to have HOTPLUG always -on- or -off- ?
From the commit message I had expected always -on-.
Stephen Rothwell wrote:
> --- a/include/asm-generic/vmlinux.lds.h
> +++ b/include/asm-generic/vmlinux.lds.h
> @@ -68,14 +68,6 @@
> * are handled as text/data or they can be discarded (which
> * often happens at runtime)
> */
> -#ifdef CONFIG_HOTPLUG
> -#define DEV_KEEP(sec) *(.dev##sec)
> -#define DEV_DISCARD(sec)
> -#else
> -#define DEV_KEEP(sec)
> -#define DEV_DISCARD(sec) *(.dev##sec)
> -#endif
> -
> #ifdef CONFIG_HOTPLUG_CPU
> #define CPU_KEEP(sec) *(.cpu##sec)
> #define CPU_DISCARD(sec)
> @@ -182,8 +174,6 @@
> *(.data) \
> *(.ref.data) \
> *(.data..shared_aligned) /* percpu related */ \
> - DEV_KEEP(init.data) \
> - DEV_KEEP(exit.data) \
..
> @@ -503,7 +489,6 @@
> /* init and exit section handling */
> #define INIT_DATA \
> *(.init.data) \
> - DEV_DISCARD(init.data) \
Shouldn't the effect of one of the above remain?
//Peter
Em Tue, 21 May 2013 13:49:35 +1000
Stephen Rothwell <[email protected]> escreveu:
> Ever since commit 45f035ab9b8f ("CONFIG_HOTPLUG should be always on"),
> it has been basically impossible to build a kernel with CONFIG_HOTPLUG
> turned off. Remove all the remaining references to it.
>
> Cc: [email protected]
> Cc: Russell King <[email protected]>
> Cc: [email protected]
> Cc: Doug Thompson <[email protected]>
> Cc: [email protected]
> Cc: Bjorn Helgaas <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: Hans Verkuil <[email protected]>
> Cc: Steven Whitehouse <[email protected]>
> Cc: [email protected]
> Cc: Arnd Bergmann <[email protected]>
> Cc: Pavel Machek <[email protected]>
> Cc: "Rafael J. Wysocki" <[email protected]>
> Cc: [email protected]
> Cc: Andrew Morton <[email protected]>
> Cc: [email protected]
> Signed-off-by: Stephen Rothwell <[email protected]>
Acked-by: Mauro Carvalho Chehab <[email protected]>
Cheers,
Mauro
On Tuesday, May 21, 2013 01:49:35 PM Stephen Rothwell wrote:
> Ever since commit 45f035ab9b8f ("CONFIG_HOTPLUG should be always on"),
> it has been basically impossible to build a kernel with CONFIG_HOTPLUG
> turned off. Remove all the remaining references to it.
Acked-by: Rafael J. Wysocki <[email protected]>
> Cc: [email protected]
> Cc: Russell King <[email protected]>
> Cc: [email protected]
> Cc: Doug Thompson <[email protected]>
> Cc: [email protected]
> Cc: Bjorn Helgaas <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: Hans Verkuil <[email protected]>
> Cc: Steven Whitehouse <[email protected]>
> Cc: [email protected]
> Cc: Arnd Bergmann <[email protected]>
> Cc: Pavel Machek <[email protected]>
> Cc: "Rafael J. Wysocki" <[email protected]>
> Cc: [email protected]
> Cc: Andrew Morton <[email protected]>
> Cc: [email protected]
> Signed-off-by: Stephen Rothwell <[email protected]>
> ---
> Documentation/ABI/testing/sysfs-bus-pci | 5 +----
> Documentation/SubmitChecklist | 2 +-
> Documentation/cpu-hotplug.txt | 2 +-
> Documentation/hwmon/submitting-patches | 3 +--
> Documentation/kbuild/kconfig.txt | 2 +-
> Documentation/usb/hotplug.txt | 6 +++---
> arch/arm/Kconfig | 2 +-
> arch/arm/kernel/module.c | 8 --------
> arch/arm/kernel/vmlinux.lds.S | 4 ----
> arch/arm/mach-ixp4xx/Kconfig | 1 -
> arch/blackfin/Kconfig | 2 +-
> arch/cris/arch-v32/drivers/Kconfig | 1 -
> arch/ia64/Kconfig | 1 -
> arch/mips/Kconfig | 2 +-
> arch/parisc/Kconfig | 1 -
> arch/powerpc/Kconfig | 2 +-
> arch/powerpc/mm/tlb_hash64.c | 4 ++--
> arch/s390/Kconfig | 1 -
> arch/sh/Kconfig | 2 +-
> arch/sparc/Kconfig | 1 -
> arch/x86/Kconfig | 2 +-
> drivers/base/Kconfig | 2 --
> drivers/char/pcmcia/Kconfig | 2 +-
> drivers/edac/Kconfig | 2 +-
> drivers/pci/Kconfig | 2 --
> drivers/pci/hotplug/Kconfig | 2 +-
> drivers/pcmcia/Kconfig | 1 -
> drivers/staging/media/go7007/go7007.txt | 1 -
> fs/gfs2/Kconfig | 5 ++---
> include/asm-generic/vmlinux.lds.h | 20 --------------------
> init/Kconfig | 3 ---
> kernel/power/Kconfig | 1 -
> mm/Kconfig | 2 +-
> 33 files changed, 22 insertions(+), 75 deletions(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
> index 1ce5ae3..5210a51 100644
> --- a/Documentation/ABI/testing/sysfs-bus-pci
> +++ b/Documentation/ABI/testing/sysfs-bus-pci
> @@ -64,7 +64,6 @@ Description:
> Writing a non-zero value to this attribute will
> force a rescan of all PCI buses in the system, and
> re-discover previously removed devices.
> - Depends on CONFIG_HOTPLUG.
>
> What: /sys/bus/pci/devices/.../msi_irqs/
> Date: September, 2011
> @@ -90,7 +89,6 @@ Contact: Linux PCI developers <[email protected]>
> Description:
> Writing a non-zero value to this attribute will
> hot-remove the PCI device and any of its children.
> - Depends on CONFIG_HOTPLUG.
>
> What: /sys/bus/pci/devices/.../pci_bus/.../rescan
> Date: May 2011
> @@ -99,7 +97,7 @@ Description:
> Writing a non-zero value to this attribute will
> force a rescan of the bus and all child buses,
> and re-discover devices removed earlier from this
> - part of the device tree. Depends on CONFIG_HOTPLUG.
> + part of the device tree.
>
> What: /sys/bus/pci/devices/.../rescan
> Date: January 2009
> @@ -109,7 +107,6 @@ Description:
> force a rescan of the device's parent bus and all
> child buses, and re-discover devices removed earlier
> from this part of the device tree.
> - Depends on CONFIG_HOTPLUG.
>
> What: /sys/bus/pci/devices/.../reset
> Date: July 2009
> diff --git a/Documentation/SubmitChecklist b/Documentation/SubmitChecklist
> index dc0e332..2b7e32d 100644
> --- a/Documentation/SubmitChecklist
> +++ b/Documentation/SubmitChecklist
> @@ -105,5 +105,5 @@ kernel patches.
> same time, just various/random combinations of them]:
>
> CONFIG_SMP, CONFIG_SYSFS, CONFIG_PROC_FS, CONFIG_INPUT, CONFIG_PCI,
> - CONFIG_BLOCK, CONFIG_PM, CONFIG_HOTPLUG, CONFIG_MAGIC_SYSRQ,
> + CONFIG_BLOCK, CONFIG_PM, CONFIG_MAGIC_SYSRQ,
> CONFIG_NET, CONFIG_INET=n (but latter with CONFIG_NET=y)
> diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt
> index 9f40135..0efd1b9 100644
> --- a/Documentation/cpu-hotplug.txt
> +++ b/Documentation/cpu-hotplug.txt
> @@ -128,7 +128,7 @@ A: When doing make defconfig, Enable CPU hotplug support
>
> "Processor type and Features" -> Support for Hotpluggable CPUs
>
> -Make sure that you have CONFIG_HOTPLUG, and CONFIG_SMP turned on as well.
> +Make sure that you have CONFIG_SMP turned on as well.
>
> You would need to enable CONFIG_HOTPLUG_CPU for SMP suspend/resume support
> as well.
> diff --git a/Documentation/hwmon/submitting-patches b/Documentation/hwmon/submitting-patches
> index 843751c..4628646 100644
> --- a/Documentation/hwmon/submitting-patches
> +++ b/Documentation/hwmon/submitting-patches
> @@ -27,8 +27,7 @@ increase the chances of your change being accepted.
> explicitly below the patch header.
>
> * If your patch (or the driver) is affected by configuration options such as
> - CONFIG_SMP or CONFIG_HOTPLUG, make sure it compiles for all configuration
> - variants.
> + CONFIG_SMP, make sure it compiles for all configuration variants.
>
>
> 2. Adding functionality to existing drivers
> diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt
> index 3f429ed..213859e 100644
> --- a/Documentation/kbuild/kconfig.txt
> +++ b/Documentation/kbuild/kconfig.txt
> @@ -165,7 +165,7 @@ Searching in menuconfig:
> Example:
> /hotplug
> This lists all config symbols that contain "hotplug",
> - e.g., HOTPLUG, HOTPLUG_CPU, MEMORY_HOTPLUG.
> + e.g., HOTPLUG_CPU, MEMORY_HOTPLUG.
>
> For search help, enter / followed TAB-TAB-TAB (to highlight
> <Help>) and Enter. This will tell you that you can also use
> diff --git a/Documentation/usb/hotplug.txt b/Documentation/usb/hotplug.txt
> index 4c94571..6424b13 100644
> --- a/Documentation/usb/hotplug.txt
> +++ b/Documentation/usb/hotplug.txt
> @@ -33,9 +33,9 @@ you get the best hotplugging when you configure a highly modular system.
>
> KERNEL HOTPLUG HELPER (/sbin/hotplug)
>
> -When you compile with CONFIG_HOTPLUG, you get a new kernel parameter:
> -/proc/sys/kernel/hotplug, which normally holds the pathname "/sbin/hotplug".
> -That parameter names a program which the kernel may invoke at various times.
> +There is a kernel parameter: /proc/sys/kernel/hotplug, which normally
> +holds the pathname "/sbin/hotplug". That parameter names a program
> +which the kernel may invoke at various times.
>
> The /sbin/hotplug program can be invoked by any subsystem as part of its
> reaction to a configuration change, from a thread in that subsystem.
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index d423d58..b30db02 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1527,7 +1527,7 @@ config NR_CPUS
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> - depends on SMP && HOTPLUG
> + depends on SMP
> help
> Say Y here to experiment with turning CPUs off and on. CPUs
> can be controlled through /sys/devices/system/cpu.
> diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
> index 1e9be5d..85c3fb6 100644
> --- a/arch/arm/kernel/module.c
> +++ b/arch/arm/kernel/module.c
> @@ -288,24 +288,16 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
>
> if (strcmp(".ARM.exidx.init.text", secname) == 0)
> maps[ARM_SEC_INIT].unw_sec = s;
> - else if (strcmp(".ARM.exidx.devinit.text", secname) == 0)
> - maps[ARM_SEC_DEVINIT].unw_sec = s;
> else if (strcmp(".ARM.exidx", secname) == 0)
> maps[ARM_SEC_CORE].unw_sec = s;
> else if (strcmp(".ARM.exidx.exit.text", secname) == 0)
> maps[ARM_SEC_EXIT].unw_sec = s;
> - else if (strcmp(".ARM.exidx.devexit.text", secname) == 0)
> - maps[ARM_SEC_DEVEXIT].unw_sec = s;
> else if (strcmp(".init.text", secname) == 0)
> maps[ARM_SEC_INIT].txt_sec = s;
> - else if (strcmp(".devinit.text", secname) == 0)
> - maps[ARM_SEC_DEVINIT].txt_sec = s;
> else if (strcmp(".text", secname) == 0)
> maps[ARM_SEC_CORE].txt_sec = s;
> else if (strcmp(".exit.text", secname) == 0)
> maps[ARM_SEC_EXIT].txt_sec = s;
> - else if (strcmp(".devexit.text", secname) == 0)
> - maps[ARM_SEC_DEVEXIT].txt_sec = s;
> }
>
> for (i = 0; i < ARM_SEC_MAX; i++)
> diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
> index a871b8e..fa25e4e 100644
> --- a/arch/arm/kernel/vmlinux.lds.S
> +++ b/arch/arm/kernel/vmlinux.lds.S
> @@ -70,10 +70,6 @@ SECTIONS
> ARM_EXIT_DISCARD(EXIT_TEXT)
> ARM_EXIT_DISCARD(EXIT_DATA)
> EXIT_CALL
> -#ifndef CONFIG_HOTPLUG
> - *(.ARM.exidx.devexit.text)
> - *(.ARM.extab.devexit.text)
> -#endif
> #ifndef CONFIG_MMU
> *(.fixup)
> *(__ex_table)
> diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
> index 73a2d90..30e1ebe 100644
> --- a/arch/arm/mach-ixp4xx/Kconfig
> +++ b/arch/arm/mach-ixp4xx/Kconfig
> @@ -235,7 +235,6 @@ config IXP4XX_QMGR
> config IXP4XX_NPE
> tristate "IXP4xx Network Processor Engine support"
> select FW_LOADER
> - select HOTPLUG
> help
> This driver supports IXP4xx built-in network coprocessors
> and is automatically selected by Ethernet and HSS drivers.
> diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
> index a117652..b573827 100644
> --- a/arch/blackfin/Kconfig
> +++ b/arch/blackfin/Kconfig
> @@ -253,7 +253,7 @@ config NR_CPUS
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> - depends on SMP && HOTPLUG
> + depends on SMP
> default y
>
> config BF_REV_MIN
> diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
> index c55971a..ab725ed 100644
> --- a/arch/cris/arch-v32/drivers/Kconfig
> +++ b/arch/cris/arch-v32/drivers/Kconfig
> @@ -617,7 +617,6 @@ config ETRAX_PV_CHANGEABLE_BITS
> config ETRAX_CARDBUS
> bool "Cardbus support"
> depends on ETRAX_ARCH_V32
> - select HOTPLUG
> help
> Enabled the ETRAX Cardbus driver.
>
> diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
> index 1a2b774..5a768ad 100644
> --- a/arch/ia64/Kconfig
> +++ b/arch/ia64/Kconfig
> @@ -376,7 +376,6 @@ config NR_CPUS
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> depends on SMP
> - select HOTPLUG
> default n
> ---help---
> Say Y here to experiment with turning CPUs off and on. CPUs
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index 7a58ab9..e433b90 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -962,7 +962,7 @@ config SYS_HAS_EARLY_PRINTK
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> - depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
> + depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
> help
> Say Y here to allow turning CPUs off and on. CPUs can be
> controlled through /sys/devices/system/cpu.
> diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
> index cad060f..6d0969a 100644
> --- a/arch/parisc/Kconfig
> +++ b/arch/parisc/Kconfig
> @@ -254,7 +254,6 @@ config IRQSTACKS
> config HOTPLUG_CPU
> bool
> default y if SMP
> - select HOTPLUG
>
> config ARCH_SELECT_MEMORY_MODEL
> def_bool y
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index c33e3ad..508e3fe 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -341,7 +341,7 @@ config SWIOTLB
>
> config HOTPLUG_CPU
> bool "Support for enabling/disabling CPUs"
> - depends on SMP && HOTPLUG && (PPC_PSERIES || \
> + depends on SMP && (PPC_PSERIES || \
> PPC_PMAC || PPC_POWERNV || (PPC_85xx && !PPC_E500MC))
> ---help---
> Say Y here to be able to disable and re-enable individual
> diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c
> index 023ec8a..7df1c5e 100644
> --- a/arch/powerpc/mm/tlb_hash64.c
> +++ b/arch/powerpc/mm/tlb_hash64.c
> @@ -183,8 +183,8 @@ void tlb_flush(struct mmu_gather *tlb)
> * since 64K pages may overlap with other bridges when using 64K pages
> * with 4K HW pages on IO space.
> *
> - * Because of that usage pattern, it's only available with CONFIG_HOTPLUG
> - * and is implemented for small size rather than speed.
> + * Because of that usage pattern, it is implemented for small size rather
> + * than speed.
> */
> void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
> unsigned long end)
> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
> index 2c9789d..d97868b 100644
> --- a/arch/s390/Kconfig
> +++ b/arch/s390/Kconfig
> @@ -302,7 +302,6 @@ config HOTPLUG_CPU
> def_bool y
> prompt "Support for hot-pluggable CPUs"
> depends on SMP
> - select HOTPLUG
> help
> Say Y here to be able to turn CPUs off and on. CPUs
> can be controlled through /sys/devices/system/cpu/cpu#.
> diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
> index 8c868cf..1020dd8 100644
> --- a/arch/sh/Kconfig
> +++ b/arch/sh/Kconfig
> @@ -748,7 +748,7 @@ config NR_CPUS
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
> - depends on SMP && HOTPLUG
> + depends on SMP
> help
> Say Y here to experiment with turning CPUs off and on. CPUs
> can be controlled through /sys/devices/system/cpu.
> diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
> index 9ac9f16..a00cbd3 100644
> --- a/arch/sparc/Kconfig
> +++ b/arch/sparc/Kconfig
> @@ -243,7 +243,6 @@ config SECCOMP
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> depends on SPARC64 && SMP
> - select HOTPLUG
> help
> Say Y here to experiment with turning CPUs off and on. CPUs
> can be controlled through /sys/devices/system/cpu/cpu#.
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 6a154a9..770cf04 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1726,7 +1726,7 @@ config PHYSICAL_ALIGN
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> - depends on SMP && HOTPLUG
> + depends on SMP
> ---help---
> Say Y here to allow turning CPUs off and on. CPUs can be
> controlled through /sys/devices/system/cpu.
> diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
> index 07abd9d..5daa259 100644
> --- a/drivers/base/Kconfig
> +++ b/drivers/base/Kconfig
> @@ -2,7 +2,6 @@ menu "Generic Driver Options"
>
> config UEVENT_HELPER_PATH
> string "path to uevent helper"
> - depends on HOTPLUG
> default ""
> help
> Path to uevent helper program forked by the kernel for
> @@ -23,7 +22,6 @@ config UEVENT_HELPER_PATH
>
> config DEVTMPFS
> bool "Maintain a devtmpfs filesystem to mount at /dev"
> - depends on HOTPLUG
> help
> This creates a tmpfs/ramfs filesystem instance early at bootup.
> In this filesystem, the kernel driver core maintains device
> diff --git a/drivers/char/pcmcia/Kconfig b/drivers/char/pcmcia/Kconfig
> index 2a166d5..b27f534 100644
> --- a/drivers/char/pcmcia/Kconfig
> +++ b/drivers/char/pcmcia/Kconfig
> @@ -3,7 +3,7 @@
> #
>
> menu "PCMCIA character devices"
> - depends on HOTPLUG && PCMCIA!=n
> + depends on PCMCIA!=n
>
> config SYNCLINK_CS
> tristate "SyncLink PC Card support"
> diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
> index e443f2c1..a697a64 100644
> --- a/drivers/edac/Kconfig
> +++ b/drivers/edac/Kconfig
> @@ -145,7 +145,7 @@ config EDAC_E7XXX
>
> config EDAC_E752X
> tristate "Intel e752x (e7520, e7525, e7320) and 3100"
> - depends on EDAC_MM_EDAC && PCI && X86 && HOTPLUG
> + depends on EDAC_MM_EDAC && PCI && X86
> help
> Support for error detection and correction on the Intel
> E7520, E7525, E7320 server chipsets.
> diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> index 6d51aa6..77497f1 100644
> --- a/drivers/pci/Kconfig
> +++ b/drivers/pci/Kconfig
> @@ -55,7 +55,6 @@ config PCI_STUB
> config XEN_PCIDEV_FRONTEND
> tristate "Xen PCI Frontend"
> depends on PCI && X86 && XEN
> - select HOTPLUG
> select PCI_XEN
> select XEN_XENBUS_FRONTEND
> default y
> @@ -113,7 +112,6 @@ config PCI_IOAPIC
> tristate "PCI IO-APIC hotplug support" if X86
> depends on PCI
> depends on ACPI
> - depends on HOTPLUG
> default !X86
>
> config PCI_LABEL
> diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
> index 9fcb87f..bb7ebb2 100644
> --- a/drivers/pci/hotplug/Kconfig
> +++ b/drivers/pci/hotplug/Kconfig
> @@ -4,7 +4,7 @@
>
> menuconfig HOTPLUG_PCI
> tristate "Support for PCI Hotplug"
> - depends on PCI && HOTPLUG && SYSFS
> + depends on PCI && SYSFS
> ---help---
> Say Y here if you have a motherboard with a PCI Hotplug controller.
> This allows you to add and remove PCI cards while the machine is
> diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
> index b90f85b..1c63624 100644
> --- a/drivers/pcmcia/Kconfig
> +++ b/drivers/pcmcia/Kconfig
> @@ -4,7 +4,6 @@
>
> menuconfig PCCARD
> tristate "PCCard (PCMCIA/CardBus) support"
> - depends on HOTPLUG
> ---help---
> Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
> computer. These are credit-card size devices such as network cards,
> diff --git a/drivers/staging/media/go7007/go7007.txt b/drivers/staging/media/go7007/go7007.txt
> index fcb3e23..dc0026c 100644
> --- a/drivers/staging/media/go7007/go7007.txt
> +++ b/drivers/staging/media/go7007/go7007.txt
> @@ -78,7 +78,6 @@ All vendor-built kernels should already be configured properly. However,
> for custom-built kernels, the following options need to be enabled in the
> kernel as built-in or modules:
>
> - CONFIG_HOTPLUG - Support for hot-pluggable devices
> CONFIG_MODULES - Enable loadable module support
> CONFIG_KMOD - Automatic kernel module loading
> CONFIG_FW_LOADER - Hotplug firmware loading support
> diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
> index eb08c9e..432ea56 100644
> --- a/fs/gfs2/Kconfig
> +++ b/fs/gfs2/Kconfig
> @@ -20,13 +20,12 @@ config GFS2_FS
> be found here: http://sources.redhat.com/cluster
>
> The "nolock" lock module is now built in to GFS2 by default. If
> - you want to use the DLM, be sure to enable HOTPLUG and IPv4/6
> - networking.
> + you want to use the DLM, be sure to enable IPv4/6 networking.
>
> config GFS2_FS_LOCKING_DLM
> bool "GFS2 DLM locking"
> depends on (GFS2_FS!=n) && NET && INET && (IPV6 || IPV6=n) && \
> - HOTPLUG && DLM && CONFIGFS_FS && SYSFS
> + DLM && CONFIGFS_FS && SYSFS
> help
> Multiple node locking module for GFS2
>
> diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
> index eb58d2d..4f27372 100644
> --- a/include/asm-generic/vmlinux.lds.h
> +++ b/include/asm-generic/vmlinux.lds.h
> @@ -68,14 +68,6 @@
> * are handled as text/data or they can be discarded (which
> * often happens at runtime)
> */
> -#ifdef CONFIG_HOTPLUG
> -#define DEV_KEEP(sec) *(.dev##sec)
> -#define DEV_DISCARD(sec)
> -#else
> -#define DEV_KEEP(sec)
> -#define DEV_DISCARD(sec) *(.dev##sec)
> -#endif
> -
> #ifdef CONFIG_HOTPLUG_CPU
> #define CPU_KEEP(sec) *(.cpu##sec)
> #define CPU_DISCARD(sec)
> @@ -182,8 +174,6 @@
> *(.data) \
> *(.ref.data) \
> *(.data..shared_aligned) /* percpu related */ \
> - DEV_KEEP(init.data) \
> - DEV_KEEP(exit.data) \
> CPU_KEEP(init.data) \
> CPU_KEEP(exit.data) \
> MEM_KEEP(init.data) \
> @@ -372,8 +362,6 @@
> /* __*init sections */ \
> __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
> *(.ref.rodata) \
> - DEV_KEEP(init.rodata) \
> - DEV_KEEP(exit.rodata) \
> CPU_KEEP(init.rodata) \
> CPU_KEEP(exit.rodata) \
> MEM_KEEP(init.rodata) \
> @@ -416,8 +404,6 @@
> *(.text.hot) \
> *(.text) \
> *(.ref.text) \
> - DEV_KEEP(init.text) \
> - DEV_KEEP(exit.text) \
> CPU_KEEP(init.text) \
> CPU_KEEP(exit.text) \
> MEM_KEEP(init.text) \
> @@ -503,7 +489,6 @@
> /* init and exit section handling */
> #define INIT_DATA \
> *(.init.data) \
> - DEV_DISCARD(init.data) \
> CPU_DISCARD(init.data) \
> MEM_DISCARD(init.data) \
> KERNEL_CTORS() \
> @@ -511,7 +496,6 @@
> *(.init.rodata) \
> FTRACE_EVENTS() \
> TRACE_SYSCALLS() \
> - DEV_DISCARD(init.rodata) \
> CPU_DISCARD(init.rodata) \
> MEM_DISCARD(init.rodata) \
> CLK_OF_TABLES() \
> @@ -521,14 +505,11 @@
>
> #define INIT_TEXT \
> *(.init.text) \
> - DEV_DISCARD(init.text) \
> CPU_DISCARD(init.text) \
> MEM_DISCARD(init.text)
>
> #define EXIT_DATA \
> *(.exit.data) \
> - DEV_DISCARD(exit.data) \
> - DEV_DISCARD(exit.rodata) \
> CPU_DISCARD(exit.data) \
> CPU_DISCARD(exit.rodata) \
> MEM_DISCARD(exit.data) \
> @@ -536,7 +517,6 @@
>
> #define EXIT_TEXT \
> *(.exit.text) \
> - DEV_DISCARD(exit.text) \
> CPU_DISCARD(exit.text) \
> MEM_DISCARD(exit.text)
>
> diff --git a/init/Kconfig b/init/Kconfig
> index 9d3a788..a5e0917 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -1244,9 +1244,6 @@ config SYSCTL_ARCH_UNALIGN_ALLOW
> the unaligned access emulation.
> see arch/parisc/kernel/unaligned.c for reference
>
> -config HOTPLUG
> - def_bool y
> -
> config HAVE_PCSPKR_PLATFORM
> bool
>
> diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
> index 5dfdc9e..9c39de0 100644
> --- a/kernel/power/Kconfig
> +++ b/kernel/power/Kconfig
> @@ -100,7 +100,6 @@ config PM_SLEEP_SMP
> depends on SMP
> depends on ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE
> depends on PM_SLEEP
> - select HOTPLUG
> select HOTPLUG_CPU
>
> config PM_AUTOSLEEP
> diff --git a/mm/Kconfig b/mm/Kconfig
> index e742d06..f5e698e 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -173,7 +173,7 @@ config HAVE_BOOTMEM_INFO_NODE
> config MEMORY_HOTPLUG
> bool "Allow for memory hot-add"
> depends on SPARSEMEM || X86_64_ACPI_NUMA
> - depends on HOTPLUG && ARCH_ENABLE_MEMORY_HOTPLUG
> + depends on ARCH_ENABLE_MEMORY_HOTPLUG
> depends on (IA64 || X86 || PPC_BOOK3S_64 || SUPERH || S390)
>
> config MEMORY_HOTPLUG_SPARSE
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
Hi Peter,
On Tue, 21 May 2013 12:13:49 +0200 Peter Stuge <[email protected]> wrote:
>
> Are you changing the code to have HOTPLUG always -on- or -off- ?
>
> From the commit message I had expected always -on-.
Yes, it has been that way for some time.
> Stephen Rothwell wrote:
> > --- a/include/asm-generic/vmlinux.lds.h
> > +++ b/include/asm-generic/vmlinux.lds.h
> > @@ -68,14 +68,6 @@
> > * are handled as text/data or they can be discarded (which
> > * often happens at runtime)
> > */
> > -#ifdef CONFIG_HOTPLUG
> > -#define DEV_KEEP(sec) *(.dev##sec)
> > -#define DEV_DISCARD(sec)
> > -#else
> > -#define DEV_KEEP(sec)
> > -#define DEV_DISCARD(sec) *(.dev##sec)
> > -#endif
> > -
> > #ifdef CONFIG_HOTPLUG_CPU
> > #define CPU_KEEP(sec) *(.cpu##sec)
> > #define CPU_DISCARD(sec)
> > @@ -182,8 +174,6 @@
> > *(.data) \
> > *(.ref.data) \
> > *(.data..shared_aligned) /* percpu related */ \
> > - DEV_KEEP(init.data) \
> > - DEV_KEEP(exit.data) \
> ..
> > @@ -503,7 +489,6 @@
> > /* init and exit section handling */
> > #define INIT_DATA \
> > *(.init.data) \
> > - DEV_DISCARD(init.data) \
>
> Shouldn't the effect of one of the above remain?
As far as I can tell, all references to devinit and devexit have now been
removed from the kernel, so nothing will generate code in these sections
any more, so the linker script no longer needs to deal with them at all.
--
Cheers,
Stephen Rothwell [email protected]