diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-03 08:44:46 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-09-13 11:12:14 +0200 |
| commit | bd31b85960a7fcb2d7ede216460b8da71a88411c (patch) | |
| tree | f2ab1a1105705856c5cdfc71bcf3f7b5f897d30d /arch/arm/kernel/dma.c | |
| parent | a1741e7fcbc19a67520115df480ab17012cc3d0b (diff) | |
| download | blackbird-op-linux-bd31b85960a7fcb2d7ede216460b8da71a88411c.tar.gz blackbird-op-linux-bd31b85960a7fcb2d7ede216460b8da71a88411c.zip | |
locking, ARM: Annotate low level hw locks as raw
Annotate the low level hardware locks which must not be preempted.
In mainline this change documents the low level nature of
the lock - otherwise there's no functional difference. Lockdep
and Sparse checking will work as usual.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/kernel/dma.c')
| -rw-r--r-- | arch/arm/kernel/dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/dma.c b/arch/arm/kernel/dma.c index 2c4a185f92cd..7b829d9663b1 100644 --- a/arch/arm/kernel/dma.c +++ b/arch/arm/kernel/dma.c @@ -23,7 +23,7 @@ #include <asm/mach/dma.h> -DEFINE_SPINLOCK(dma_spin_lock); +DEFINE_RAW_SPINLOCK(dma_spin_lock); EXPORT_SYMBOL(dma_spin_lock); static dma_t *dma_chan[MAX_DMA_CHANNELS]; |
