diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2019-11-18 12:01:22 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-11-18 07:29:22 -0700 |
| commit | de678bc63cc659d056a5ff3a3b11866d3eb4c1a9 (patch) | |
| tree | 9ea4ac5062af34dee9ed8fa99689e4b97d5f361a | |
| parent | 708edafa883186f55b24fa0c380242b5282f9105 (diff) | |
| download | linux-de678bc63cc659d056a5ff3a3b11866d3eb4c1a9.tar.bz2 | |
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: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/blk-softirq.c | 4 |
1 files changed, 0 insertions, 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); } /* |