Tejun Heo 19df0c2fef percpu: align percpu readmostly subsection to cacheline ...

Currently percpu readmostly subsection may share cachelines with other
percpu subsections which may result in unnecessary cacheline bounce
and performance degradation.

This patch adds @cacheline parameter to PERCPU() and PERCPU_VADDR()
linker macros, makes each arch linker scripts specify its cacheline
size and use it to align percpu subsections.

This is based on Shaohua's x86 only patch.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Shaohua Li <shaohua.li@intel.com>

2011-01-25 14:26:50 +01:00

..

drivers

uml: use simple_write_to_buffer()

2011-01-13 08:03:07 -08:00

include

percpu: align percpu readmostly subsection to cacheline

2011-01-25 14:26:50 +01:00

kernel

thp: pte alloc trans splitting

2011-01-13 17:32:40 -08:00

os-Linux

um: fix global timer issue when using CONFIG_NO_HZ

2010-10-26 16:52:03 -07:00

scripts

uml: throw out CONFIG_MODE_TT

2007-10-16 09:43:05 -07:00

sys-i386

ptrace: change signature of arch_ptrace()

2010-10-27 18:03:10 -07:00

sys-ia64

uml: remove useless comments

2009-04-01 08:59:17 -07:00

sys-ppc

elf: kill USE_ELF_CORE_DUMP

2009-12-16 07:20:12 -08:00

sys-x86_64

ptrace: cleanup arch_ptrace() on um

2010-10-27 18:03:12 -07:00

.gitignore

um: tell git to ignore generated files

2010-03-06 11:26:28 -08:00

defconfig

kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT

2011-01-20 17:02:05 -08:00

Kconfig.char

sound: make OSS sound core optional

2008-08-29 10:06:21 +02:00

Kconfig.common

um: Use generic irq Kconfig

2011-01-21 11:55:35 +01:00

Kconfig.debug

uml: GPROF needs to depend on FRAME_POINTER

2008-02-05 09:44:25 -08:00

Kconfig.net

uml: fix URLs in Kconfig and help strings

2008-02-05 09:44:25 -08:00

Kconfig.rest

uml: kill a kconfig warning

2009-04-21 13:41:50 -07:00

Kconfig.um

genirq: Remove __do_IRQ

2011-01-21 11:55:31 +01:00

Kconfig.x86

x86, um: get rid of arch/um/Kconfig.arch

2008-10-22 22:55:23 -07:00

Makefile

kbuild: move asm-offsets.h to include/generated

2009-12-12 13:08:14 +01:00

Makefile-i386

[UML] fix gcc ICEs and unresolved externs

2008-07-07 10:53:10 -07:00

Makefile-ia64

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

Makefile-os-Linux

x86, um: get rid of arch/um/os symlink

2008-10-22 22:55:22 -07:00

Makefile-ppc

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

Makefile-skas

[PATCH] uml makefiles sanitized

2005-09-29 08:46:26 -07:00

Makefile-x86_64

[UML] fix gcc ICEs and unresolved externs

2008-07-07 10:53:10 -07:00