perf_counter, x86: Fix call-chain walking

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Fix the ptregs variant when we hit user-mode tasks.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Ingo Molnar 2009-05-29 11:25:09 +02:00

parent 3efa1cc99e

commit 5a6cec3abb

1 changed files with 4 additions and 2 deletions

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arch/x86/kernel/cpu/perf_counter.c

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