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authorHillf Danton <dhillf@gmail.com>2011-04-27 15:26:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-04-28 11:28:21 -0700
commit1409f141ac719b994d2832911b1e9ec928943fc2 (patch)
tree2ef8c9431f15cae6f243482cbe1cf9f11ae60082 /net/ipx
parent534e3adbd22efa327e6ff27cf2d8ebaad8382ecd (diff)
kernel/watchdog.c: disable nmi perf event in the error path of enabling watchdog
In corner cases where softlockup watchdog is not setup successfully, the relevant nmi perf event for hardlockup watchdog could be disabled, then the status of the underlying hardware remains unchanged. Also, if the kthread doesn't start then the hrtimer won't run and the hardlockup detector will falsely fire. Signed-off-by: Hillf Danton <dhillf@gmail.com> Signed-off-by: Don Zickus <dzickus@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/ipx')
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