tree 5eafd0e921a7178f9e25695133863dde66f25de3
parent c33a0bc4e41ef169d6e807d8abb9502544b518e5
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1241173397 +0200
committer Ingo Molnar <mingo@elte.hu> 1241177024 +0200

perf_counter: fix nmi-watchdog interaction

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>