diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2013-01-09 10:33:09 +0100 |
|---|---|---|
| committer | Andrey Konovalov <andrey.konovalov@linaro.org> | 2013-06-14 18:38:12 +0400 |
| commit | 504cb4e70c5cbf348b06f8d02cf4ffaba0118355 (patch) | |
| tree | 0b3e1084e76afb7340b7dc640b0d716155239e38 | |
| parent | 9af16061204b4c36ce11e2c1db56c280fe2f60eb (diff) | |
mm: bounce: Use local_irq_save_nort
kmap_atomic() is preemptible on RT.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | mm/bounce.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/bounce.c b/mm/bounce.c index 042086775561..1e78ef779135 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 */ |