| commit | f1a06390d013244e721372b3f9b66e39b6429c71 | [log] [tgz] |
|---|---|---|
| author | Thomas Gleixner <tglx@linutronix.de> | Fri Jan 28 08:47:15 2011 +0100 |
| committer | Thomas Gleixner <tglx@linutronix.de> | Wed Feb 02 22:15:08 2011 +0100 |
| tree | 8ffce4d07e61d3533d17a2b2f947aefcebde211c | |
| parent | afe8a887550f7cc24eb16449670b93f6b43c32d8 [diff] |
genirq: Prevent irq storm on migration move_native_irq() masks and unmasks the interrupt line unconditionally, but the interrupt line might be masked due to a threaded oneshot handler in progress. Unmasking the line in that case can lead to interrupt storms. Observed on PREEMPT_RT. Originally-from: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@kernel.org