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authorThomas Gleixner <tglx@linutronix.de>2011-01-28 08:47:15 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-02 22:15:08 +0100
commitf1a06390d013244e721372b3f9b66e39b6429c71 (patch)
tree8ffce4d07e61d3533d17a2b2f947aefcebde211c /kernel/backtracetest.c
parentafe8a887550f7cc24eb16449670b93f6b43c32d8 (diff)
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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
Diffstat (limited to 'kernel/backtracetest.c')
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