34 lines
912 B
Diff
34 lines
912 B
Diff
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From 7b3ca330c86b6abbae21e62215a877c966821452 Mon Sep 17 00:00:00 2001
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Wed, 9 Jan 2013 10:33:09 +0100
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Subject: [PATCH 105/365] mm: bounce: Use local_irq_save_nort
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kmap_atomic() is preemptible on RT.
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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block/bounce.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/block/bounce.c b/block/bounce.c
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index 1cb5dd3a5da1..2f1ec8a67cbe 100644
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--- a/block/bounce.c
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+++ b/block/bounce.c
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@@ -55,11 +55,11 @@ static void bounce_copy_vec(struct bio_vec *to, unsigned char *vfrom)
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unsigned long flags;
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unsigned char *vto;
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- local_irq_save(flags);
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+ local_irq_save_nort(flags);
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vto = kmap_atomic(to->bv_page);
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memcpy(vto + to->bv_offset, vfrom, to->bv_len);
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kunmap_atomic(vto);
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- local_irq_restore(flags);
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+ local_irq_restore_nort(flags);
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}
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#else /* CONFIG_HIGHMEM */
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--
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2.28.0
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