diff options
| author | Christoph Lameter <clameter@sgi.com> | 2007-12-18 16:22:46 -0800 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2007-12-18 16:22:46 -0800 |
| commit | a3ebdb6c423dff420168a3faf25c76e9e5f59258 (patch) | |
| tree | 397317fda83da7f745d802d5ba87735f163bf1c9 /arch | |
| parent | c63a1190368771b8207d86c4217ae4afdf1cbd5e (diff) | |
IA64: Slim down __clear_bit_unlock
__clear_bit_unlock does not need to perform atomic operations on the
variable. Avoid a cmpxchg and simply do a store with release semantics.
Add a barrier to be safe that the compiler does not do funky things.
Tony: Use intrinsic rather than inline assembler
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions