From 4518db86cd9d4939ab7d2c3f578d0e85249eb8ac Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Fri, 15 Nov 2019 21:37:22 +0100 Subject: [PATCH] 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 --- block/blk-softirq.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/block/blk-softirq.c b/block/blk-softirq.c index 457d9ba3eb20..6e7ec87d49fa 100644 --- a/block/blk-softirq.c +++ b/block/blk-softirq.c @@ -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); } /*