Files
linuxkit/kernel/patches-4.14.x-rt/0362-dm-Make-rt-aware.patch
Tiejun Chen a1d47ff766 update -rt to 4.14.53-rt34
Signed-off-by: Tiejun Chen <tiejun.china@gmail.com>
2018-07-06 14:02:07 +08:00

33 lines
1012 B
Diff

From 09bba1c89fe819973eed7a8ddbbe34d59ac98155 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 14 Nov 2011 23:06:09 +0100
Subject: [PATCH 362/418] 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>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/md/dm-rq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index eadfcfd106ff..8824aeda85cf 100644
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -671,7 +671,7 @@ static void dm_old_request_fn(struct request_queue *q)
/* 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());
}
}
--
2.17.1