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Message-ID: <4B8D0489.6040806@kernel.org>
Date: Tue, 02 Mar 2010 21:28:57 +0900
From: Tejun Heo <tj@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
lkml <linux-kernel@...r.kernel.org>
CC: Christoph Lameter <cl@...ux-foundation.org>,
Ingo Molnar <mingo@...e.hu>,
Rusty Russell <rusty@...tcorp.com.au>,
Amerigo Wang <amwang@...hat.com>
Subject: [GIT PULL] percpu changes for 2.6.34-rc1
Hello, Linus.
Please pull from the following percpu branch.
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git for-linus
The branch contains the following changes.
* Remove per_cpu__ prefix from static per-cpu variables and access the
static and dynamic percpu variables the same way. This allows
handling and manipulating percpu addresses just like any other
addresses.
* Implement __percpu sparse annotation which marks percpu addresses to
belong to a different address space. This replaces the per_cpu__
prefix which used to protect illegal accesses to static percpu
variables and also extends the protection such that it covers both
static and dynamic percpu variables and any pointer which deals with
percpu addresses.
* Add __percpu annotations to several subsystems. Others are being
routed through respective subsystem trees.
* Christoph Lameter's this_cpu_*() conversion series on allocator
related stuff and local_t users. Good part of local_t has been
replaced with this_cpu_*() but the conversion isn't complete yet.
The last remaining user is ringbuffer and it isn't clear whether
it'll be possible to replace it completely with percpu variables.
* Now unused part of local_t has been removed.
* WANG Cong's pcpu_[de]populate_chunk() refactor patch.
Merging into 13dda80e48439b446d0bc9bab34b91484bc8f533 doesn't cause
any conflict.
Thanks.
==================
Summary of changes
==================
Christoph Lameter (7):
local_t: Remove cpu_local_xx macros
module: Use this_cpu_xx to dynamically allocate counters
local_t: Move local.h include to ringbuffer.c and ring_buffer_benchmark.c
percpu, x86: Generic inc / dec percpu instructions
this_cpu: Page allocator conversion
this_cpu: Remove pageset_notifier
local_t: Remove leftover local.h
Rusty Russell (2):
percpu: remove per_cpu__ prefix.
percpu: add __percpu for sparse.
Tejun Heo (7):
percpu: make access macros universal
percpu: make accessors check for percpu pointer in sparse
percpu: remove compile warnings caused by __verify_pcpu_ptr()
Merge branch 'master' into percpu
percpu: add __percpu sparse annotations to core kernel subsystems
percpu: add __percpu sparse annotations to fs
percpu: add __percpu sparse annotations to what's left
WANG Cong (1):
percpu: refactor the code in pcpu_[de]populate_chunk()
arch/alpha/include/asm/local.h | 17 ---
arch/blackfin/mach-common/entry.S | 4 +-
arch/cris/arch-v10/kernel/entry.S | 2 +-
arch/cris/arch-v32/mm/mmu.S | 2 +-
arch/ia64/include/asm/percpu.h | 4 +-
arch/ia64/kernel/ia64_ksyms.c | 4 +-
arch/ia64/mm/discontig.c | 2 +-
arch/m32r/include/asm/local.h | 25 ----
arch/microblaze/include/asm/entry.h | 2 +-
arch/mips/include/asm/local.h | 25 ----
arch/parisc/lib/fixup.S | 8 +-
arch/powerpc/include/asm/local.h | 25 ----
arch/sparc/kernel/nmi.c | 7 +-
arch/sparc/kernel/rtrap_64.S | 8 +-
arch/x86/include/asm/local.h | 37 ------
arch/x86/include/asm/percpu.h | 119 +++++++++++++++------
arch/x86/include/asm/system.h | 8 +-
arch/x86/kernel/apic/nmi.c | 6 +-
arch/x86/kernel/head_32.S | 6 +-
arch/x86/kernel/vmlinux.lds.S | 4 +-
arch/x86/xen/xen-asm_32.S | 4 +-
crypto/cryptd.c | 2 +-
drivers/acpi/processor_perflib.c | 2 +-
drivers/dma/dmaengine.c | 2 +-
drivers/edac/amd64_edac.c | 2 +-
drivers/md/raid5.c | 2 +-
drivers/md/raid5.h | 2 +-
fs/ext4/ext4.h | 2 +-
fs/nfs/iostat.h | 4 +-
fs/xfs/xfs_mount.h | 2 +-
include/acpi/processor.h | 2 +-
include/asm-generic/local.h | 19 ---
include/asm-generic/percpu.h | 18 ++-
include/linux/blktrace_api.h | 4 +-
include/linux/compiler.h | 4 +-
include/linux/dmaengine.h | 2 +-
include/linux/genhd.h | 2 +-
include/linux/kexec.h | 2 +-
include/linux/mm.h | 4 -
include/linux/mmzone.h | 12 +--
include/linux/module.h | 37 +++----
include/linux/mount.h | 2 +-
include/linux/nfs_fs_sb.h | 2 +-
include/linux/percpu-defs.h | 40 ++++---
include/linux/percpu.h | 44 +++++---
include/linux/percpu_counter.h | 2 +-
include/linux/srcu.h | 2 +-
include/linux/vmstat.h | 8 +-
kernel/kexec.c | 2 +-
kernel/module.c | 29 +++---
kernel/rcutorture.c | 8 +-
kernel/sched.c | 4 +-
kernel/stop_machine.c | 2 +-
kernel/trace/ring_buffer.c | 1 +
kernel/trace/ring_buffer_benchmark.c | 1 +
kernel/trace/trace.c | 6 +-
kernel/trace/trace_functions_graph.c | 4 +-
mm/page_alloc.c | 202 ++++++++++++----------------------
mm/percpu.c | 36 +++---
mm/vmstat.c | 15 ++-
60 files changed, 356 insertions(+), 499 deletions(-)
--
tejun
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