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perf_counter: fix nmi-watchdog interaction
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Fri, 1 May 2009 10:23:17 +0000 (12:23 +0200)
committerIngo Molnar <mingo@elte.hu>
Fri, 1 May 2009 11:23:44 +0000 (13:23 +0200)
When we don't have any perf-counters active, don't act like we know
what the NMI is for.

[ Impact: fix hard hang with nmi_watchdog=2 ]

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: <20090501102533.109867793@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

No differences found
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