perf_counter: Propagate inheritance failures down the fork() path

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Fail fork() when we fail inheritance for some reason (-ENOMEM most likely).

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <20090525124600.324656474@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Peter Zijlstra 2009-05-25 14:45:27 +02:00 • committed by Ingo Molnar

parent 771d7cde14

commit 6ab423e0ea

3 changed files with 19 additions and 11 deletions

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4

include/linux/perf_counter.h

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6

kernel/fork.c

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20

kernel/perf_counter.c

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