| commit | b9ec40af0e18fb7d02106be148036c2ea490fdf9 | |
| author | Christoph Lameter <cl@linux.com> | |
| Mon, 28 Feb 2011 10:02:24 +0000 (28 11:02 +0100) | ||
| committer | Tejun Heo <tj@kernel.org> | |
| Mon, 28 Feb 2011 10:20:49 +0000 (28 11:20 +0100) | ||
| tree | 6e9ad8aab6303c40a17467b52c0ac29b3a352d83 | treesnapshot (tar.gz zip) |
| parent | 7c3343392172ba98d9d90a83edcc4c2e80897009 | commitdiff |
percpu, x86: Add arch-specific this_cpu_cmpxchg_double() support
Support this_cpu_cmpxchg_double() using the cmpxchg16b and cmpxchg8b
instructions.
-tj: s/percpu_cmpxchg16b/percpu_cmpxchg16b_double/ for consistency and
other cosmetic changes.
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Support this_cpu_cmpxchg_double() using the cmpxchg16b and cmpxchg8b
instructions.
-tj: s/percpu_cmpxchg16b/percpu_cmpxchg16b_double/ for consistency and
other cosmetic changes.
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| arch/x86/include/asm/percpu.h | diffblobblamehistory | |
| arch/x86/lib/Makefile | diffblobblamehistory | |
| arch/x86/lib/cmpxchg16b_emu.S | [new file with mode: 0644] | blob |