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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
..
asm-offsets.c
backtrace.c arch/tile: support new info op generated by compiler 2010-10-15 15:39:25 -04:00
compat.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
compat_signal.c arch/tile: handle rt_sigreturn() more cleanly 2010-12-17 16:59:29 -05:00
early_printk.c arch/tile: bomb raw_local_irq_ to arch_local_irq_ 2010-11-01 15:30:42 -04:00
entry.S arch/tile: parameterize system PLs to support KVM port 2010-10-15 15:38:09 -04:00
hardwall.c arch/tile: mark "hardwall" device as non-seekable 2010-11-01 15:31:42 -04:00
head_32.S arch/tile: parameterize system PLs to support KVM port 2010-10-15 15:38:09 -04:00
hvglue.lds arch/tile: Enable more sophisticated IRQ model for 32-bit chips. 2010-07-06 13:34:01 -04:00
init_task.c
intvec_32.S arch/tile: handle rt_sigreturn() more cleanly 2010-12-17 16:59:29 -05:00
irq.c arch/tile: bomb raw_local_irq_ to arch_local_irq_ 2010-11-01 15:30:42 -04:00
machine_kexec.c arch/tile: complete migration to new kmap_atomic scheme 2010-11-01 15:30:36 -04:00
Makefile pci root complex: support for tile architecture 2010-11-24 13:13:49 -05:00
messaging.c arch/tile: bomb raw_local_irq_ to arch_local_irq_ 2010-11-01 15:30:42 -04:00
module.c arch/tile: Miscellaneous cleanup changes. 2010-07-06 13:41:51 -04:00
pci-dma.c
pci.c pci root complex: support for tile architecture 2010-11-24 13:13:49 -05:00
proc.c arch: tile: kernel/proc.c Removed duplicated #include 2010-08-13 08:10:16 -04:00
process.c arch/tile: handle CLONE_SETTLS in copy_thread(), not user space 2010-12-17 16:56:50 -05:00
ptrace.c arch/tile: don't allow user code to set the PL via ptrace or signal return 2010-11-01 15:31:17 -04:00
reboot.c arch/tile: bomb raw_local_irq_ to arch_local_irq_ 2010-11-01 15:30:42 -04:00
regs_32.S arch/tile: parameterize system PLs to support KVM port 2010-10-15 15:38:09 -04:00
relocate_kernel.S
setup.c arch/tile: make glibc's sysconf(_SC_NPROCESSORS_CONF) work correctly 2010-11-24 13:42:15 -05:00
signal.c arch/tile: handle rt_sigreturn() more cleanly 2010-12-17 16:59:29 -05:00
single_step.c arch/tile: enable single-step support for TILE-Gx 2010-10-15 15:38:26 -04:00
smp.c arch/tile: bomb raw_local_irq_ to arch_local_irq_ 2010-11-01 15:30:42 -04:00
smpboot.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
stack.c arch/tile: prevent corrupt top frame from causing backtracer runaway 2010-10-14 15:19:04 -04:00
sys.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
tile-desc_32.c arch/tile: Shrink the tile-opcode files considerably. 2010-07-06 13:40:56 -04:00
time.c arch/tile: bomb raw_local_irq_ to arch_local_irq_ 2010-11-01 15:30:42 -04:00
tlb.c
traps.c arch/tile: enable single-step support for TILE-Gx 2010-10-15 15:38:26 -04:00
vmlinux.lds.S percpu: align percpu readmostly subsection to cacheline 2011-01-25 14:26:50 +01:00