Messages in this thread Patch in this message | | | From | jun qian <> | Subject | [PATCH] block: umem: replace spin_lock_bh with spin_lock in tasklet callback | Date | Fri, 7 Sep 2018 10:27:20 -0700 |
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As you are already in a tasklet, it is unnecessary to call spin_lock_bh.
Signed-off-by: jun qian <hangdianqj@163.com> --- drivers/block/umem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/block/umem.c b/drivers/block/umem.c index 5c7fb8cc4149..9094ca60949c 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -421,7 +421,7 @@ static void process_page(unsigned long data) struct cardinfo *card = (struct cardinfo *)data; unsigned int dma_status = card->dma_status; - spin_lock_bh(&card->lock); + spin_lock(&card->lock); if (card->Active < 0) goto out_unlock; page = &card->mm_pages[card->Active]; @@ -496,7 +496,7 @@ static void process_page(unsigned long data) mm_start_io(card); } out_unlock: - spin_unlock_bh(&card->lock); + spin_unlock(&card->lock); while (return_bio) { struct bio *bio = return_bio; -- 2.17.1
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