From 1566f110793127f6d88ac654fa7a4c34a9d25ffc Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 9 Jan 2013 10:33:09 +0100
Subject: mm: bounce: Use local_irq_save_nort

kmap_atomic() is preemptible on RT.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/mm/bounce.c b/mm/bounce.c
index 5a7d58f..b09bb4e 100644
--- a/mm/bounce.c
+++ b/mm/bounce.c
@@ -51,11 +51,11 @@ static void bounce_copy_vec(struct bio_vec *to, unsigned char *vfrom)
 	unsigned long flags;
 	unsigned char *vto;
 
-	local_irq_save(flags);
+	local_irq_save_nort(flags);
 	vto = kmap_atomic(to->bv_page);
 	memcpy(vto + to->bv_offset, vfrom, to->bv_len);
 	kunmap_atomic(vto);
-	local_irq_restore(flags);
+	local_irq_restore_nort(flags);
 }
 
 #else /* CONFIG_HIGHMEM */
-- 
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