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(parent: a026dfe) | patch
perf_counter: Fix perf_output_copy() WARN to account for overflow
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Wed, 13 May 2009 19:26:19 +0000 (21:26 +0200)
committerIngo Molnar <mingo@elte.hu>
Fri, 15 May 2009 07:46:59 +0000 (09:46 +0200)
commit53020fe81eecd0b7be295868ce5850ef8f41074e
tree9dd7a48273419161c3bb74a0c9d492c626124835tree | snapshot (tar.gz zip)
parenta026dfecc035f213c1cfa0bf6407ce3155f6a9dfcommit | diff
perf_counter: Fix perf_output_copy() WARN to account for overflow

The simple reservation test in perf_output_copy() failed to take
unsigned int overflow into account, fix this.

[ Impact: fix false positive warning with more than 4GB of profiling data ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/perf_counter.c diff | blob | blame | history