| Subject: mm: bounce: Use local_irq_save_nort |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Wed, 09 Jan 2013 10:33:09 +0100 |
| |
| kmap_atomic() is preemptible on RT. |
| |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| --- |
| mm/bounce.c | 4 ++-- |
| 1 file changed, 2 insertions(+), 2 deletions(-) |
| |
| --- a/mm/bounce.c |
| +++ b/mm/bounce.c |
| @@ -51,11 +51,11 @@ static void bounce_copy_vec(struct bio_v |
| 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 */ |
