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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
..
.gitignore
sparc: gitignore a few files
2008-12-04 09:17:15 -08:00
apc.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
asm-offsets.c
sparc,sparc64: unify asm-offsets.c
2008-12-04 09:17:12 -08:00
audit.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
auxio_32.c
sparc: explicitly cast negative phandle checks to s32
2011-01-03 20:02:06 -07:00
auxio_64.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
btext.c
of/sparc: convert various prom_* functions to use phandle
2010-10-09 02:33:34 -06:00
central.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
cherrs.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
chmc.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
compat_audit.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
cpu.c
sparc64: Fix bootup regression due to perf init ordering.
2011-01-09 15:36:46 -08:00
cpumap.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
cpumap.h
sparc64: fix and optimize irq distribution
2009-06-16 04:56:28 -07:00
devices.c
of/sparc: convert various prom_* functions to use phandle
2010-10-09 02:33:34 -06:00
dma.c
sparc: Add CONFIG_DMA_API_DEBUG support
2009-08-10 09:35:00 +02:00
ds.c
sparc64: Defer cpu_data() setup until end of per-cpu data initialization.
2009-06-16 04:56:22 -07:00
dtlb_miss.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
dtlb_prot.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
ebus.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
entry.h
sparc64: Kill off old sys_perfctr system call and state.
2010-03-03 08:08:49 -08:00
entry.S
sparc64: Add syscall tracepoint support.
2009-12-11 00:44:47 -08:00
etrap_32.S
sparc: prepare kernel/ for unification
2008-12-04 09:17:20 -08:00
etrap_64.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
fpu_traps.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
ftrace.c
sparc64: Add function graph tracer support.
2010-04-12 22:37:26 -07:00
getsetcc.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
head_32.S
sparc: use _start for the start entry (like 64 bit does)
2011-01-04 19:25:04 -08:00
head_64.S
sparc64: Store per-cpu offset in trap_block[]
2009-06-16 04:56:11 -07:00
helpers.S
sparc64: Fix perf_arch_get_caller_regs().
2010-08-08 22:07:36 -07:00
hvapi.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
hvcalls.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
hvtramp.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
idprom.c
sparc,leon: Introduce the sparc-leon CPU type.
2009-08-17 18:32:10 -07:00
init_task.c
Use new __init_task_data macro in arch init_task.c files.
2009-09-21 06:27:08 +02:00
iommu_common.h
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
iommu.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
ioport.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
irq_32.c
sparc32: fix build failure on CONFIG_SPARC_LEON
2010-10-26 09:25:54 -07:00
irq_64.c
sparc64: Run NMIs on the hardirq stack.
2010-04-14 02:04:29 -07:00
irq.h
sparc32: Kill clear_profile_irq btfixup entry.
2008-09-19 21:17:59 -07:00
itlb_miss.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
ivec.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
jump_label.c
jump label: Add sparc64 support
2010-09-22 16:35:09 -04:00
kernel.h
sparc: Probe PMU type and record in sparc_pmu_type.
2009-01-28 17:27:14 -08:00
kgdb_32.c
kgdb,sparc: Add in kgdb_arch_set_pc for sparc
2010-05-20 21:04:19 -05:00
kgdb_64.c
kgdb,sparc: Add in kgdb_arch_set_pc for sparc
2010-05-20 21:04:19 -05:00
kprobes.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
kstack.h
sparc64: Run NMIs on the hardirq stack.
2010-04-14 02:04:29 -07:00
ktlb.S
sparc64: Increase vmalloc size to fix percpu regressions.
2009-09-28 14:39:58 -07:00
ldc.c
sparc: use bitmap_find_next_zero_area
2009-12-16 07:20:19 -08:00
led.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
leon_kernel.c
SPARC/LEON: added support for selecting Timer Core and Timer within core
2011-01-04 11:16:37 -08:00
leon_smp.c
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
Makefile
jump label: Add sparc64 support
2010-09-22 16:35:09 -04:00
mdesc.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
misctrap.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
module.c
mm: unify module_alloc code for vmalloc
2011-01-13 17:32:34 -08:00
muldiv.c
sparc: add '32' suffix to reg_window, sigcontext, __siginfo_t
2009-01-02 19:32:59 -08:00
nmi.c
perf, arch: Cleanup perf-pmu init vs lockup-detector
2010-11-26 15:14:56 +01:00
of_device_32.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
of_device_64.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
of_device_common.c
of: make of_find_device_by_node generic
2010-07-24 09:58:22 -06:00
of_device_common.h
sparc: move of_device common code to of_device_common
2009-06-16 04:56:49 -07:00
pci_common.c
of: Always use 'struct device.of_node' to get device node pointer.
2010-05-18 16:10:44 -06:00
pci_fire.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
pci_impl.h
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
pci_msi.c
pci: Convert msi to new irq_chip functions
2010-10-12 16:53:34 +02:00
pci_psycho.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
pci_sabre.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
pci_schizo.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
pci_sun4v_asm.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
pci_sun4v.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
pci_sun4v.h
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
pci.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
pcic.c
of/sparc: convert various prom_* functions to use phandle
2010-10-09 02:33:34 -06:00
pcr.c
sparc64: Fix bootup regression due to perf init ordering.
2011-01-09 15:36:46 -08:00
perf_event.c
perf: Dynamic pmu types
2010-12-16 11:36:43 +01:00
pmc.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
power.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
process_32.c
Make do_execve() take a const filename pointer
2010-08-17 18:07:43 -07:00
process_64.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2010-08-28 13:55:31 -07:00
prom_32.c
SPARC/LEON: avoid AMBAPP name duplicates in openprom fs when REG is missing
2011-01-04 11:16:37 -08:00
prom_64.c
Merge commit 'v2.6.35-rc6' into devicetree/next
2010-07-24 09:49:13 -06:00
prom_common.c
of/promtree: no longer call prom_ functions directly; use an ops structure
2010-10-12 21:57:53 -06:00
prom_irqtrans.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
prom.h
of/promtree: make drivers/of/pdt.c no longer sparc-only
2010-10-10 21:53:30 -06:00
psycho_common.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
psycho_common.h
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
ptrace_32.c
ptrace: cleanup arch_ptrace() on sparc
2010-10-27 18:03:12 -07:00
ptrace_64.c
ptrace: cleanup arch_ptrace() on sparc
2010-10-27 18:03:12 -07:00
reboot.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
rtrap_32.S
sparc: keep calling do_signal() as long as pending signals remain
2010-10-26 08:59:55 -07:00
rtrap_64.S
sparc: keep calling do_signal() as long as pending signals remain
2010-10-26 08:59:55 -07:00
sbus.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
setup_32.c
sparc: use trapbase in setup_arch
2011-01-04 19:25:03 -08:00
setup_64.c
of/sparc: convert various prom_* functions to use phandle
2010-10-09 02:33:34 -06:00
signal32.c
sparc: Prevent no-handler signal syscall restart recursion.
2010-09-21 22:30:13 -07:00
signal_32.c
sparc: Prevent no-handler signal syscall restart recursion.
2010-09-21 22:30:13 -07:00
signal_64.c
sparc: Prevent no-handler signal syscall restart recursion.
2010-09-21 22:30:13 -07:00
smp_32.c
sparc,leon: Sparc-Leon SMP support
2009-11-02 04:19:42 -08:00
smp_64.c
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
2010-04-13 00:28:45 -07:00
sparc_ksyms_32.c
sparc: Eliminate PROMLIB_INTERNAL as it does nothing
2009-01-08 16:59:01 -08:00
sparc_ksyms_64.c
sparc64: don't export static inline pci_ functions
2009-12-15 16:28:13 +10:30
spiterrs.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
sstate.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
stacktrace.c
sparc64: Fix stack dumping and tracing when function graph is enabled.
2010-04-21 03:08:11 -07:00
starfire.c
sparc: explicitly cast negative phandle checks to s32
2011-01-03 20:02:06 -07:00
sun4c_irq.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
sun4d_irq.c
arch/sparc/kernel: Eliminate what looks like a NULL pointer dereference
2010-06-04 16:17:37 -07:00
sun4d_smp.c
sparc: remove trailing space in messages
2010-02-12 12:08:51 -08:00
sun4m_irq.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
sun4m_smp.c
sparc32: Kill trap table freeing code.
2009-08-18 23:44:08 -07:00
sun4v_ivec.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
sun4v_tlb_miss.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
sys32.S
sparc: Hook up new fanotify and prlimit64 syscalls.
2010-08-16 15:04:29 -07:00
sys_sparc32.c
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
sys_sparc_32.c
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
sys_sparc_64.c
Make do_execve() take a const filename pointer
2010-08-17 18:07:43 -07:00
syscalls.S
sparc64: Kill off old sys_perfctr system call and state.
2010-03-03 08:08:49 -08:00
sysfs.c
arch/sparc/kernel: Use set_cpus_allowed_ptr
2010-03-27 21:11:56 -07:00
systbls_32.S
sparc: Hook up new fanotify and prlimit64 syscalls.
2010-08-16 15:04:29 -07:00
systbls_64.S
sparc: Hook up new fanotify and prlimit64 syscalls.
2010-08-16 15:04:29 -07:00
systbls.h
improve sys_newuname() for compat architectures
2010-03-12 15:52:32 -08:00
tadpole.c
of/sparc: convert various prom_* functions to use phandle
2010-10-09 02:33:34 -06:00
tick14.c
sparc32: Delete claim_ticker14().
2008-09-19 21:18:01 -07:00
time_32.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
time_64.c
sparc: remove references to of_device and to_of_device
2010-07-24 09:58:22 -06:00
trampoline_32.S
sparc,leon: Sparc-Leon SMP support
2009-11-02 04:19:42 -08:00
trampoline_64.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
traps_32.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
traps_64.c
tree-wide: fix comment/printk typos
2010-11-01 15:38:34 -04:00
tsb.S
sparc64: Fix sun4u execute bit check in TSB I-TLB load.
2010-02-19 15:19:52 -08:00
ttable.S
sparc64: fix the build error due to smp_kgdb_capture_client()
2010-06-25 11:17:57 -07:00
una_asm_32.S
sparc: prepare kernel/ for unification
2008-12-04 09:17:20 -08:00
una_asm_64.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
unaligned_32.c
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
unaligned_64.c
sparc64: Use correct pt_regs in decode_access_size() error paths.
2010-04-19 13:46:48 -07:00
us2e_cpufreq.c
arch/sparc/kernel: Use set_cpus_allowed_ptr
2010-03-27 21:11:56 -07:00
us3_cpufreq.c
arch/sparc/kernel: Use set_cpus_allowed_ptr
2010-03-27 21:11:56 -07:00
utrap.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
vio.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
viohs.c
sparc64: refactor code in viohs.c
2009-01-06 12:46:46 -08:00
visemul.c
sparc: Add alignment and emulation fault perf events.
2009-12-11 01:07:53 -08:00
vmlinux.lds.S
percpu: align percpu readmostly subsection to cacheline
2011-01-25 14:26:50 +01:00
windows.c
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
winfixup.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
wof.S
sparc/kernel/: possible cleanups
2008-07-17 21:37:46 -07:00
wuf.S
sparc/kernel/: possible cleanups
2008-07-17 21:37:46 -07:00