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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)
committerGrazvydas Ignotas <notasas@gmail.com>
Fri, 20 Feb 2015 22:05:25 +0000 (00:05 +0200)
An event may occur when an mm is already released.

As per commit 20afc60f892d285fde179ead4b24e6a7938c2f1b
 '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 patch | blob | history

diff --cc arch/arm/kernel/perf_event.c
Simple merge
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