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authorJohn Siddle <jsiddle@redhat.com>2016-10-11 13:55:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-11 15:06:33 -0700
commit48a6d64edadbd40fa5185a890023e9b331d64a48 (patch)
treec17f8328ae55c248cb02d434ff57f355028aa3ca /drivers/irqchip/irq-brcmstb-l2.c
parente154ccc831b5b52a9aa3fe881090bdaf1d80f062 (diff)
downloadkernel-48a6d64edadbd40fa5185a890023e9b331d64a48.tar.gz
hung_task: allow hung_task_panic when hung_task_warnings is 0
Previously hung_task_panic would not be respected if enabled after hung_task_warnings had already been decremented to 0. Permit the kernel to panic if hung_task_panic is enabled after hung_task_warnings has already been decremented to 0 and another task hangs for hung_task_timeout_secs seconds. Check if hung_task_panic is enabled so we don't return prematurely, and check if hung_task_warnings is non-zero so we don't print the warning unnecessarily. [akpm@linux-foundation.org: fix off-by-one] Link: http://lkml.kernel.org/r/1473450214-4049-1-git-send-email-jsiddle@redhat.com Signed-off-by: John Siddle <jsiddle@redhat.com> Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/irqchip/irq-brcmstb-l2.c')
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