diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-11-14 23:06:09 +0100 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-04-10 16:37:33 -0500 |
| commit | b9bf08bfe5ad9dffdaaee81287d0ada395387a18 (patch) | |
| tree | 890d175a46d7a9a9c0610c03a6b6909a635c37a5 | |
| parent | 7b55b63c50bbb2b6e1333cb1d6b22c1d3f7324a5 (diff) | |
dm: Make rt aware
Use the BUG_ON_NORT variant for the irq_disabled() checks. RT has
interrupts legitimately enabled here as we cant deadlock against the
irq thread due to the "sleeping spinlocks" conversion.
Reported-by: Luis Claudio R. Goncalves <lclaudio@uudg.org>
Cc: stable-rt@vger.kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | drivers/md/dm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 4720f68f817e..b1eff426c2fc 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1648,14 +1648,14 @@ static void dm_request_fn(struct request_queue *q) if (map_request(ti, clone, md)) goto requeued; - BUG_ON(!irqs_disabled()); + BUG_ON_NONRT(!irqs_disabled()); spin_lock(q->queue_lock); } goto out; requeued: - BUG_ON(!irqs_disabled()); + BUG_ON_NONRT(!irqs_disabled()); spin_lock(q->queue_lock); delay_and_out: |