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(parent: 4ae9edf) | patch
ARM: perf: Check that current->mm is alive before getting user callchain
authorJean Pihet <jean.pihet@linaro.org>
Mon, 7 Jul 2014 13:45:08 +0000 (14:45 +0100)
committerWill Deacon <will.deacon@arm.com>
Wed, 9 Jul 2014 14:05:24 +0000 (15:05 +0100)
commitac236fbd86e14f546a837c35958ea93d4ab30f19
tree32d10331079614332cf6cc465cd36d6872d873d5tree | snapshot
parent4ae9edf435480771f2c2cc1c63162ac7a5b5b7b8commit | diff
ARM: perf: Check that current->mm is alive before getting user callchain

An event may occur when an mm is already released.

As per commit 087a61019efd9db7aefa20956a2ead9c105001e3
 'x86, perf: Check that current->mm is alive before getting user callchain'

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Jean Pihet <jean.pihet@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm/kernel/perf_event.c diff | blob | history
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