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

..

cpu

Merge branch 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6

2011-01-13 20:15:18 -08:00

vsyscall

sh: fix vsyscall compilation due to .eh_frame issue

2010-11-17 17:55:37 +09:00

.gitignore

sh: Add an arch/sh/kernel/.gitignore

2008-07-29 08:29:32 +09:00

asm-offsets.c

sh: Add R-standby sleep mode support

2009-10-30 14:38:45 +09:00

cpufreq.c

arch/sh/kernel: Use set_cpus_allowed_ptr

2010-03-29 11:40:37 +09:00

crash_dump.c

sh: shuffle the elfcorehdr handling over to the crash dump code.

2010-05-07 17:58:55 +09:00

debugtraps.S

sh: kgdb: Rework breakpoint handling on top of notifier chain.

2009-12-22 12:44:14 +09:00

disassemble.c

sh: Add a simple code dumper for SUPERH32 show_regs().

2008-12-22 18:43:49 +09:00

dma-nommu.c

sh: Revamp PCI DMA coherence Kconfig bits.

2009-10-27 10:35:02 +09:00

dumpstack.c

sh: flag the default unwinder as reliable.

2009-08-15 01:09:03 +09:00

dwarf.c

sh: handle early calls to return_address() when using dwarf unwinder.

2010-05-25 16:16:40 +09:00

entry-common.S

sh: Correct the offset of the return address in ret_from_exception

2010-02-08 10:46:46 +09:00

ftrace.c

tracing: Unify arch_syscall_addr() implementations

2010-02-17 13:07:21 +01:00

head_32.S

sh: boot kernel with SR.BL set

2010-09-30 09:43:32 +09:00

head_64.S

sh64: Fix up early serial fixmap.

2010-01-12 15:22:26 +09:00

hw_breakpoint.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

2010-05-19 11:36:03 -07:00

idle.c

sh: CPU hotplug support.

2010-04-26 19:08:55 +09:00

init_task.c

Use new __init_task_data macro in arch init_task.c files.

2009-09-21 06:27:08 +02:00

io_trapped.c

sh: wire up perf alignment and emulation faults.

2010-10-13 06:55:26 +09:00

io.c

sh: support for platforms without PIO.

2010-06-02 16:31:42 +09:00

iomap.c

sh: machvec IO death.

2010-11-01 09:49:04 -04:00

ioport.c

sh: machvec IO death.

2010-11-01 09:49:04 -04:00

irq_32.c

Fix IRQ flag handling naming

2010-10-07 14:08:55 +01:00

irq_64.c

sh64: update for IRQ flag handling naming changes.

2010-10-27 15:34:51 +09:00

irq.c

sh: fix up cpu hotplug IRQ migration for irq_data changes.

2010-10-28 11:33:21 +09:00

kdebugfs.c

sh: provide generic arch_debugfs_dir.

2010-09-24 04:04:26 +09:00

kgdb.c

kgdb,sh: update superh kgdb exception handling

2010-05-20 21:04:20 -05:00

kprobes.c

sh: kprobes SMP support.

2010-06-14 17:06:10 +09:00

localtimer.c

sh: CPU hotplug support.

2010-04-26 19:08:55 +09:00

machine_kexec.c

lmb: rename to memblock

2010-07-14 17:14:00 +10:00

machvec.c

sh: machvec IO death.

2010-11-01 09:49:04 -04:00

Makefile

Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

2011-01-06 16:50:35 -08:00

module.c

modules: Fix module_bug_list list corruption race

2010-10-05 11:29:27 -07:00

nmi_debug.c

sh: nmi_debug support.

2009-09-01 17:38:32 +09:00

perf_callchain.c

perf: Factorize callchain context handling

2010-08-19 01:32:11 +02:00

perf_event.c

perf: Dynamic pmu types

2010-12-16 11:36:43 +01:00

process_32.c

Make do_execve() take a const filename pointer

2010-08-17 18:07:43 -07:00

process_64.c

Make do_execve() take a const filename pointer

2010-08-17 18:07:43 -07:00

process.c

Merge branch 'sh/stable-updates'

2010-04-26 16:08:27 +09:00

ptrace_32.c

ptrace: cleanup arch_ptrace() on sh

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

ptrace_64.c

ptrace: cleanup arch_ptrace() on sh

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

ptrace.c

sh: Add kprobe-based event tracer.

2010-06-14 15:16:53 +09:00

reboot.c

sh: Provide a global TLB flush for U/I-TLB clear.

2010-07-02 15:44:09 +09:00

relocate_kernel.S

sh: add kexec jump support

2009-03-18 18:57:43 +09:00

return_address.c

sh: handle early calls to return_address() when using dwarf unwinder.

2010-05-25 16:16:40 +09:00

setup.c

sh: Break out cpuinfo_op procfs bits.

2010-11-09 16:40:16 +09:00

sh_bios.c

sh: sh_bios detection.

2010-01-12 18:42:52 +09:00

sh_ksyms_32.c

sh: Clean up more superfluous symbol exports.

2009-10-27 11:51:19 +09:00

sh_ksyms_64.c

sh: Clean up more superfluous symbol exports.

2009-10-27 11:51:19 +09:00

signal_32.c

sh: Mass ctrl_in/outX to __raw_read/writeX conversion.

2010-01-26 12:58:40 +09:00

signal_64.c

Merge branch 'sh/stable-updates'

2010-02-15 14:49:37 +09:00

smp.c

sh: native_cpu_disable() build error when CONFIG_HOTPLUG_CPU=n

2010-04-29 23:28:38 +09:00

stacktrace.c

sh: stacktrace: Properly terminate the trace entry buffer.

2009-08-15 01:11:37 +09:00

swsusp.c

sh: hibernation support

2009-03-10 12:55:40 +09:00

sys_sh32.c

Make do_execve() take a const filename pointer

2010-08-17 18:07:43 -07:00

sys_sh64.c

Make do_execve() take a const filename pointer

2010-08-17 18:07:43 -07:00

sys_sh.c

sh: avoid to flush all cache in sys_cacheflush

2010-11-17 17:55:30 +09:00

syscalls_32.S

sh: wire up accept4 syscall (non-multiplexed path)

2010-12-14 17:58:10 +09:00

syscalls_64.S

sh: wire up fanotify/prlimit64 syscalls.

2010-08-16 13:51:18 +09:00

time.c

sh: Convert sh to use read/update_persistent_clock

2010-03-05 02:04:38 +09:00

topology.c

sh: Flag present CPUs hotpluggable in topology registration.

2010-04-26 18:20:29 +09:00

traps_32.c

sh: wire up perf alignment and emulation faults.

2010-10-13 06:55:26 +09:00

traps_64.c

sh: wire up perf alignment and emulation faults.

2010-10-13 06:55:26 +09:00

traps.c

sh: Mass ctrl_in/outX to __raw_read/writeX conversion.

2010-01-26 12:58:40 +09:00

unwinder.c

sh: unwinder: Use a special bug flag for unwinder traps.

2009-08-22 05:28:25 +09:00

vmlinux.lds.S

percpu: align percpu readmostly subsection to cacheline

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