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authorChristoph Lameter <cl@linux.com>2011-02-28 11:02:24 +0100
committerTejun Heo <tj@kernel.org>2011-02-28 11:20:49 +0100
commitb9ec40af0e18fb7d02106be148036c2ea490fdf9 (patch)
tree6e9ad8aab6303c40a17467b52c0ac29b3a352d83 /arch/x86/lib/Makefile
parentpercpu: Generic support for this_cpu_cmpxchg_double() (diff)
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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>
Diffstat (limited to 'arch/x86/lib/Makefile')
-rw-r--r--arch/x86/lib/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index e10cf070ede0..f2479f19ddde 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -42,4 +42,5 @@ else
lib-y += memmove_64.o memset_64.o
lib-y += copy_user_64.o rwlock_64.o copy_user_nocache_64.o
lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem_64.o
+ lib-y += cmpxchg16b_emu.o
endif