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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 19:25:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 19:25:14 -0700 |
| commit | 5ec29e3149d800e6db83c1b6ff441daf319cbbe2 (patch) | |
| tree | b23ecaff7078590215e91b2b6aa4c90c2d923e10 /kernel | |
| parent | abd209b7083b2f3a2a19e522f688e7569f284e5d (diff) | |
| parent | 6ff968cca1dfebd4b6fcade87c11658dbfc96932 (diff) | |
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core locking updates from Ingo Molnar:
"This update:
- extends and simplifies x86 NMI callback handling code to enhance
and fix the HP hw-watchdog driver
- simplifies the x86 NMI callback handling code to fix a kmemcheck
bug.
- enhances the hung-task debugger"
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi: Fix the type of the nmiaction.flags field
x86/nmi: Fix page faults by nmiaction if kmemcheck is enabled
x86/nmi: Add new NMI queues to deal with IO_CHK and SERR
watchdog, hpwdt: Remove priority option for NMI callback
hung task debugging: Inject NMI when hung and going to panic
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/hung_task.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/hung_task.c b/kernel/hung_task.c index c21449f85a2a..6df614912b9d 100644 --- a/kernel/hung_task.c +++ b/kernel/hung_task.c @@ -108,8 +108,10 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout) touch_nmi_watchdog(); - if (sysctl_hung_task_panic) + if (sysctl_hung_task_panic) { + trigger_all_cpu_backtrace(); panic("hung_task: blocked tasks"); + } } /* |