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(parent: 614e08f) | 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)
committerGrazvydas Ignotas <notasas@gmail.com>
Fri, 20 Feb 2015 22:05:25 +0000 (00:05 +0200)
commit1768736891543baf955e67d6565b7330f71e8984
tree498d94d8d1d46d5215d6c135a6c47ff42aff318dtree | snapshot
parent614e08fa67ac46b6859b7a1d885df617f01308cccommit | 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 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 diff | blob | history
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