[PATCH 6/6] [ARM] Use atomic_spin_lock/atomic_spin_unlock for irqdesc lock
From: Uwe Kleine-KÃnig
Date: Fri Aug 07 2009 - 16:43:59 EST
This was missed in commit
fd2bde5 (genirq: Convert irqdesc lock to atomic_spinlock)
Signed-off-by: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>
---
arch/arm/include/asm/mach/irq.h | 4 ++--
mm/highmem.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h
index acac530..3981cf2 100644
--- a/arch/arm/include/asm/mach/irq.h
+++ b/arch/arm/include/asm/mach/irq.h
@@ -26,9 +26,9 @@ extern int show_fiq_list(struct seq_file *, void *);
*/
#define do_bad_IRQ(irq,desc) \
do { \
- spin_lock(&desc->lock); \
+ atomic_spin_lock(&desc->lock); \
handle_bad_irq(irq, desc); \
- spin_unlock(&desc->lock); \
+ atomic_spin_unlock(&desc->lock); \
} while(0)
#endif
diff --git a/mm/highmem.c b/mm/highmem.c
index 66e915a..214eefd 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -372,8 +372,8 @@ void *kmap_high_get(struct page *page)
lock_kmap_any(flags);
vaddr = (unsigned long)page_address(page);
if (vaddr) {
- BUG_ON(pkmap_count[PKMAP_NR(vaddr)] < 1);
- pkmap_count[PKMAP_NR(vaddr)]++;
+ BUG_ON(atomic_read(&pkmap_count[PKMAP_NR(vaddr)]) < 1);
+ atomic_add(1, pkmap_count[PKMAP_NR(vaddr)]);
}
unlock_kmap_any(flags);
return (void*) vaddr;
--
1.6.3.3
--
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