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>
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 4720f68..b1eff42 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1648,14 +1648,14 @@
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:
