From: Pingfan Liu <piliu@xxxxxxxxxx> Otherwise the while() loop in dm_wq_work() can result in a "dead loop" on systems that have preemption disabled. This is particularly problematic on single cpu systems. Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Pingfan Liu <piliu@xxxxxxxxxx> Acked-by: Ming Lei <ming.lei@xxxxxxxxxx> Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx> --- drivers/md/dm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 90b64bfc63b0..15b91959e433 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2570,6 +2570,7 @@ static void dm_wq_work(struct work_struct *work) break; submit_bio_noacct(bio); + cond_resched(); } } -- 2.37.0 (Apple Git-136) -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
