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authorMandeep Singh Baines <msb@google.com>2009-01-12 21:15:17 -0800
committerIngo Molnar <mingo@elte.hu>2009-01-14 11:48:07 +0100
commitbaf48f6577e581a9adb8fe849dc80e24b21d171d (patch)
tree279e54b7374a9c52025ded4f9bb718e5382b0340 /init
parente4fa4c97016037620f9dc8bafe03e1086b665b4c (diff)
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softlock: fix false panic which can occur if softlockup_thresh is reduced
At run-time, if softlockup_thresh is changed to a much lower value, touch_timestamp is likely to be much older than the new softlock_thresh. This will cause a false softlockup to be detected. If softlockup_panic is enabled, the system will panic. The fix is to touch all watchdogs before changing softlockup_thresh. Signed-off-by: Mandeep Singh Baines <msb@google.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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