Commit de678bc6 authored by Sebastian Andrzej Siewior's avatar Sebastian Andrzej Siewior Committed by Jens Axboe
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block: Don't disable interrupts in trigger_softirq() 



trigger_softirq() is always invoked as a SMP-function call which is
always invoked with disables interrupts.

Don't disable interrupt in trigger_softirq() because interrupts are
already disabled.

Reviewed-by: default avatarMing Lei <ming.lei@redhat.com>
Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 708edafa

block/blk-softirq.c

+0 −4
Original line number Diff line number Diff line
@@ -42,17 +42,13 @@ static __latent_entropy void blk_done_softirq(struct softirq_action *h) 
static void trigger_softirq(void *data)

{

	struct request *rq = data;

	unsigned long flags;

	struct list_head *list;



	local_irq_save(flags);

	list = this_cpu_ptr(&blk_cpu_done);

	list_add_tail(&rq->ipi_list, list);



	if (list->next == &rq->ipi_list)

		raise_softirq_irqoff(BLOCK_SOFTIRQ);



	local_irq_restore(flags);

}



/*