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

..

a.out-core.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

apic.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

arch_hweight.h

um, hweight: Fix UML boot crash due to x86 optimized hweight

2010-06-10 15:24:30 -07:00

asm-offsets.h

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

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

auxvec.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

bugs.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

cache.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

checksum.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

common.lds.S

percpu: align percpu readmostly subsection to cacheline

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

cputime.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

current.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

delay.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

desc.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

device.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

dma.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

emergency-restart.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

fixmap.h

x86, um: get rid of uml highmem.h

2008-10-22 22:55:21 -07:00

ftrace.h

tracing: make CALLER_ADDRx overwriteable

2009-03-02 16:49:37 -05:00

futex.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

hardirq.h

um: convert to asm-generic/hardirq.h

2009-09-22 07:17:45 -07:00

hw_irq.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

io.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

irq_regs.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

irq_vectors.h

uml: remove useless comments

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

irq.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

irqflags.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

kdebug.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

kmap_types.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

mmu_context.h

cpumask: use mm_cpumask() wrapper: um

2009-09-24 09:34:51 +09:30

mmu.h

uml: remove useless comments

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

mutex.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

page_offset.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

page.h

asm-generic: rename page.h and uaccess.h

2009-06-11 21:02:17 +02:00

param.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

pci.h

PCI: remove pcibios_scan_all_fns()

2009-09-09 13:29:18 -07:00

pda.h

uml: remove useless comments

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

pgalloc.h

mm: Pass virtual address to [__]p{te,ud,md}_free_tlb()

2009-07-27 12:10:38 -07:00

pgtable-2level.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

pgtable-3level.h

um, x86: Cast to (u64 *) inside set_64bit()

2010-08-03 07:00:16 -07:00

pgtable.h

mm: remove pte_*map_nested()

2010-10-26 16:52:08 -07:00

processor-generic.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

ptrace-generic.h

um: fix ptrace build error

2010-11-12 07:55:30 -08:00

required-features.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

sections.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

segment.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

setup.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

smp.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

system.h

um: fix IRQ flag handling naming

2010-10-26 16:52:05 -07:00

thread_info.h

add descriptive comment for TIF_MEMDIE task flag declaration.

2010-05-14 11:13:27 +02:00

timex.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

tlb.h

mm: Pass virtual address to [__]p{te,ud,md}_free_tlb()

2009-07-27 12:10:38 -07:00

tlbflush.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

topology.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

uaccess.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00

xor.h

x86, um: initial part of asm-um move

2008-10-22 22:55:19 -07:00