From b9ec40af0e18fb7d02106be148036c2ea490fdf9 Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Mon, 28 Feb 2011 11:02:24 +0100 Subject: 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 Signed-off-by: Tejun Heo --- arch/x86/lib/Makefile | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/x86/lib/Makefile') 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 -- cgit v1.2.3-58-ga151