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authorMarcelo Tosatti <mtosatti@redhat.com>2013-10-11 21:39:26 -0300
committerGleb Natapov <gleb@redhat.com>2013-11-06 09:49:02 +0200
commit8b414521bc5375ae8ba18c083af95d44b8da0d04 (patch)
treedd45ba45e6c397081c838b4dd80e42bc3752ad4f /include/linux/sched.h
parentd63285e94af3ade4fa8b10b0d9a22bcf72baf2f9 (diff)
downloadop-kernel-dev-8b414521bc5375ae8ba18c083af95d44b8da0d04.zip
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hung_task: add method to reset detector
In certain occasions it is possible for a hung task detector positive to be false: continuation from a paused VM, for example. Add a method to reset detection, similar as is done with other kernel watchdogs. Acked-by: Don Zickus <dzickus@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6682da3..7bb4b4a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -285,6 +285,14 @@ static inline void lockup_detector_init(void)
}
#endif
+#ifdef CONFIG_DETECT_HUNG_TASK
+void reset_hung_task_detector(void);
+#else
+static inline void reset_hung_task_detector(void)
+{
+}
+#endif
+
/* Attach to any functions which should be ignored in wchan output. */
#define __sched __attribute__((__section__(".sched.text")))
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