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Diffstat (limited to 'arch/x86/include/asm/alternative.h')
-rw-r--r--arch/x86/include/asm/alternative.h20
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index b09ec55650b3..03b6bb5394a0 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -28,20 +28,20 @@
28 */ 28 */
29 29
30#ifdef CONFIG_SMP 30#ifdef CONFIG_SMP
31#define LOCK_PREFIX \ 31#define LOCK_PREFIX_HERE \
32 ".section .smp_locks,\"a\"\n" \ 32 ".section .smp_locks,\"a\"\n" \
33 _ASM_ALIGN "\n" \ 33 ".balign 4\n" \
34 _ASM_PTR "661f\n" /* address */ \ 34 ".long 671f - .\n" /* offset */ \
35 ".previous\n" \ 35 ".previous\n" \
36 "661:\n\tlock; " 36 "671:"
37
38#define LOCK_PREFIX LOCK_PREFIX_HERE "\n\tlock; "
37 39
38#else /* ! CONFIG_SMP */ 40#else /* ! CONFIG_SMP */
41#define LOCK_PREFIX_HERE ""
39#define LOCK_PREFIX "" 42#define LOCK_PREFIX ""
40#endif 43#endif
41 44
42/* This must be included *after* the definition of LOCK_PREFIX */
43#include <asm/cpufeature.h>
44
45struct alt_instr { 45struct alt_instr {
46 u8 *instr; /* original instruction */ 46 u8 *instr; /* original instruction */
47 u8 *replacement; 47 u8 *replacement;
@@ -96,6 +96,12 @@ static inline int alternatives_text_reserved(void *start, void *end)
96 ".previous" 96 ".previous"
97 97
98/* 98/*
99 * This must be included *after* the definition of ALTERNATIVE due to
100 * <asm/arch_hweight.h>
101 */
102#include <asm/cpufeature.h>
103
104/*
99 * Alternative instructions for different CPU types or capabilities. 105 * Alternative instructions for different CPU types or capabilities.
100 * 106 *
101 * This allows to use optimized instructions even on generic binary 107 * This allows to use optimized instructions even on generic binary