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Commit 5e4a4bfe authored by Sebastian Andrzej Siewior's avatar Sebastian Andrzej Siewior Committed by Nobody
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irq_work: Also rcuwait for !IRQ_WORK_HARD_IRQ on PREEMPT_RT 


On PREEMPT_RT most items are processed as LAZY via softirq context.
Avoid to spin-wait for them because irq_work_sync() could have higher
priority and not allow the irq-work to be completed.

Wait additionally for !IRQ_WORK_HARD_IRQ irq_work items on PREEMPT_RT.

Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20211006111852.1514359-5-bigeasy@linutronix.de


Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 1ea178f8
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