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d25d3b4c4d
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Will Deacon d25d3b4c4d ARM: 6833/1: perf: add required isbs() to ARMv7 backend 
The ARMv7 architecture does not guarantee that effects from co-processor
writes are immediately visible to following instructions.

This patch adds two isbs to the ARMv7 perf code:

(1) Immediately after selecting an event register, so that the PMU state
    following this instruction is consistent with the new event.

(2) Immediately before writing to the PMCR, so that any previous writes
    to the PMU have taken effect before (typically) enabling the
    counters.

Acked-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-03-26 10:06:09 +00:00
..
alpha remove dma64_addr_t 2011-03-23 19:47:18 -07:00
arm ARM: 6833/1: perf: add required isbs() to ARMv7 backend 2011-03-26 10:06:09 +00:00
avr32 Merge branch 'irq-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-03-25 20:24:05 -07:00
blackfin Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin 2011-03-24 08:24:28 -07:00
cris remove dma64_addr_t 2011-03-23 19:47:18 -07:00
frv bitops: remove minix bitops from asm/bitops.h 2011-03-23 19:46:22 -07:00
h8300 Merge branch 'irq-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-03-25 20:24:05 -07:00
ia64 lib, arch: add filter argument to show_mem and fix private implementations 2011-03-24 17:49:37 -07:00
m32r Merge branch 'irq-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-03-25 20:24:05 -07:00
m68k m68k: merge m68k and m68knommu arch directories 2011-03-25 14:05:13 +10:00
microblaze bitops: introduce CONFIG_GENERIC_FIND_BIT_LE 2011-03-23 19:46:14 -07:00
mips MIPS: JZ4740: Set nand ecc offsets for the qi_lb60 board 2011-03-25 18:45:21 +01:00
mn10300 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300 2011-03-24 10:07:50 -07:00
parisc lib, arch: add filter argument to show_mem and fix private implementations 2011-03-24 17:49:37 -07:00
powerpc lib, arch: add filter argument to show_mem and fix private implementations 2011-03-24 17:49:37 -07:00
s390 Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 2011-03-25 17:47:04 -07:00
score mm: NUMA aware alloc_thread_info_node() 2011-03-22 17:44:01 -07:00
sh Merge branch 'rmobile-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2011-03-24 10:04:59 -07:00
sparc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2011-03-25 17:47:38 -07:00
tile lib, arch: add filter argument to show_mem and fix private implementations 2011-03-24 17:49:37 -07:00
um um: Use generic show_interrupts() 2011-03-24 20:35:57 +01:00
unicore32 lib, arch: add filter argument to show_mem and fix private implementations 2011-03-24 17:49:37 -07:00
x86 Merge branch 'syscore' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 2011-03-25 21:07:59 -07:00
xtensa Merge branch 'irq-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-03-25 20:24:05 -07:00
.gitignore
Kconfig oprofile, s390: Cleanups 2011-03-16 14:30:40 +01:00