diff options
author | Watanabe <shunsuke.watanabe@tel.com> | 2012-10-28 11:13:44 +0100 |
---|---|---|
committer | Steven Rostedt <rostedt@rostedt.homelinux.com> | 2013-05-20 15:05:17 -0400 |
commit | 4e62f30cc67888319bac1d5167654fa3f5cb92b9 (patch) | |
tree | ce6e31af69d9417862025346c58ad10914393584 | |
parent | 025b08dd9dfa9812c2e9ace5d9c756568f56933e (diff) |
hrtimer: Raise softirq if hrtimer irq stalled
When the hrtimer stall detection hits the softirq is not raised.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable-rt@vger.kernel.org
-rw-r--r-- | kernel/hrtimer.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 8d0e333737bc..b40619e7cacf 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -1532,11 +1532,7 @@ retry: if (expires_next.tv64 == KTIME_MAX || !tick_program_event(expires_next, 0)) { cpu_base->hang_detected = 0; - - if (raise) - raise_softirq_irqoff(HRTIMER_SOFTIRQ); - - return; + goto out; } /* @@ -1580,6 +1576,9 @@ retry: tick_program_event(expires_next, 1); printk_once(KERN_WARNING "hrtimer: interrupt took %llu ns\n", ktime_to_ns(delta)); +out: + if (raise) + raise_softirq_irqoff(HRTIMER_SOFTIRQ); } /* |