diff options
author | H. Peter Anvin <hpa@linux.intel.com> | 2012-11-28 14:50:24 -0500 |
---|---|---|
committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-11-29 16:23:01 -0500 |
commit | d55c5a93db2d5fa95f233ab153f594365d95b777 (patch) | |
tree | f589ea96fe3fab9c935c0963dab7ec8f8a7745fb /arch/x86/include/asm/percpu.h | |
parent | eb068e781020cf491333c773fb41820b57bfada4 (diff) |
x86, 386 removal: Remove CONFIG_CMPXCHG
All 486+ CPUs support CMPXCHG, so remove the fallback 386 support
code.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1354132230-21854-3-git-send-email-hpa@linux.intel.com
Diffstat (limited to 'arch/x86/include/asm/percpu.h')
-rw-r--r-- | arch/x86/include/asm/percpu.h | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index 1104afaba52b..0da5200ee79d 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h | |||
@@ -406,7 +406,6 @@ do { \ | |||
406 | #define this_cpu_xchg_2(pcp, nval) percpu_xchg_op(pcp, nval) | 406 | #define this_cpu_xchg_2(pcp, nval) percpu_xchg_op(pcp, nval) |
407 | #define this_cpu_xchg_4(pcp, nval) percpu_xchg_op(pcp, nval) | 407 | #define this_cpu_xchg_4(pcp, nval) percpu_xchg_op(pcp, nval) |
408 | 408 | ||
409 | #ifndef CONFIG_M386 | ||
410 | #define __this_cpu_add_return_1(pcp, val) percpu_add_return_op(pcp, val) | 409 | #define __this_cpu_add_return_1(pcp, val) percpu_add_return_op(pcp, val) |
411 | #define __this_cpu_add_return_2(pcp, val) percpu_add_return_op(pcp, val) | 410 | #define __this_cpu_add_return_2(pcp, val) percpu_add_return_op(pcp, val) |
412 | #define __this_cpu_add_return_4(pcp, val) percpu_add_return_op(pcp, val) | 411 | #define __this_cpu_add_return_4(pcp, val) percpu_add_return_op(pcp, val) |
@@ -421,8 +420,6 @@ do { \ | |||
421 | #define this_cpu_cmpxchg_2(pcp, oval, nval) percpu_cmpxchg_op(pcp, oval, nval) | 420 | #define this_cpu_cmpxchg_2(pcp, oval, nval) percpu_cmpxchg_op(pcp, oval, nval) |
422 | #define this_cpu_cmpxchg_4(pcp, oval, nval) percpu_cmpxchg_op(pcp, oval, nval) | 421 | #define this_cpu_cmpxchg_4(pcp, oval, nval) percpu_cmpxchg_op(pcp, oval, nval) |
423 | 422 | ||
424 | #endif /* !CONFIG_M386 */ | ||
425 | |||
426 | #ifdef CONFIG_X86_CMPXCHG64 | 423 | #ifdef CONFIG_X86_CMPXCHG64 |
427 | #define percpu_cmpxchg8b_double(pcp1, pcp2, o1, o2, n1, n2) \ | 424 | #define percpu_cmpxchg8b_double(pcp1, pcp2, o1, o2, n1, n2) \ |
428 | ({ \ | 425 | ({ \ |