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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.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
This commit is contained in:
Sebastian Andrzej Siewior 2019-11-15 21:37:22 +01:00 committed by Alibek Omarov
parent 1a61ebf3be
commit 4518db86cd
1 changed files with 0 additions and 4 deletions
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4
block/blk-softirq.c
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@ -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);
}
/*