28 lines
906 B
Diff
28 lines
906 B
Diff
Subject: dm: Make rt aware
|
|
From: Thomas Gleixner <tglx@linutronix.de>
|
|
Date: Mon, 14 Nov 2011 23:06:09 +0100
|
|
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.9/older/patches-4.9.20-rt16.tar.xz
|
|
|
|
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>
|
|
|
|
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
|
---
|
|
drivers/md/dm-rq.c | 2 +-
|
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
|
|
|
--- a/drivers/md/dm-rq.c
|
|
+++ b/drivers/md/dm-rq.c
|
|
@@ -842,7 +842,7 @@ static void dm_old_request_fn(struct req
|
|
/* Establish tio->ti before queuing work (map_tio_request) */
|
|
tio->ti = ti;
|
|
kthread_queue_work(&md->kworker, &tio->work);
|
|
- BUG_ON(!irqs_disabled());
|
|
+ BUG_ON_NONRT(!irqs_disabled());
|
|
}
|
|
}
|
|
|