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06824ba824
linux/arch
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Russell King 06824ba824 ARM: tlb: delay page freeing for SMP and ARMv7 CPUs 
We need to delay freeing any mapped page on SMP and ARMv7 systems to
ensure that the data is not accessed by other CPUs, or is used for
speculative prefetch with ARMv7.  This includes not only mapped pages
but also pages used for the page tables themselves.

This avoids races with the MMU/other CPUs accessing pages after they've
been freed but before we've invalidated the TLB.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:28 +00:00
..
alpha alpha: Use generic irq Kconfig 2011-01-21 11:55:31 +01:00
arm ARM: tlb: delay page freeing for SMP and ARMv7 CPUs 2011-02-21 19:29:28 +00:00
avr32 avr32: add missing include causing undefined pgtable_page_* references 2011-01-26 12:35:15 +01:00
blackfin serial: bfin_5xx: split uart RX lock from uart port lock to avoid deadlock 2011-02-03 14:44:54 -08:00
cris
frv frv: Use generic irq Kconfig 2011-01-21 11:55:32 +01:00
h8300
ia64 ia64: Use generic irq Kconfig 2011-01-21 11:55:32 +01:00
m32r m32r: Fixup last __do_IRQ leftover 2011-02-05 21:46:35 +01:00
m68k m68knommu: add optimize memmove() function 2011-02-16 09:43:16 +10:00
m68knommu m68knommu: set flow handler for secondary interrupt controller of 5249 2011-02-16 09:43:46 +10:00
microblaze microblaze: Fix msr instruction detection 2011-02-07 19:13:01 +01:00
mips genirq: Remove __do_IRQ 2011-01-21 11:55:31 +01:00
mn10300 mn10300: Use generic irq Kconfig 2011-01-21 11:55:33 +01:00
parisc console: rename acquire/release_console_sem() to console_lock/unlock() 2011-01-26 10:50:06 +10:00
powerpc powerpc: Fix hcall tracepoint recursion 2011-02-07 13:06:08 +11:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2011-02-16 09:04:41 -08:00
score score: Use generic irq Kconfig 2011-01-21 11:55:34 +01:00
sh Merge branch 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2011-01-26 09:00:17 +10:00
sparc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2011-02-17 17:51:27 -08:00
tile tile: Use generic irq Kconfig 2011-01-21 11:55:34 +01:00
um um: Use generic irq Kconfig 2011-01-21 11:55:35 +01:00
x86 Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-02-15 10:18:48 -08:00
xtensa
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