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-rw-r--r--arch/x86/include/asm/cpufeature.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index dca9c545f44e..468145914389 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -332,6 +332,7 @@ static __always_inline __pure bool __static_cpu_has(u8 bit)
332#endif 332#endif
333} 333}
334 334
335#if __GNUC__ >= 4
335#define static_cpu_has(bit) \ 336#define static_cpu_has(bit) \
336( \ 337( \
337 __builtin_constant_p(boot_cpu_has(bit)) ? \ 338 __builtin_constant_p(boot_cpu_has(bit)) ? \
@@ -340,6 +341,12 @@ static __always_inline __pure bool __static_cpu_has(u8 bit)
340 __static_cpu_has(bit) : \ 341 __static_cpu_has(bit) : \
341 boot_cpu_has(bit) \ 342 boot_cpu_has(bit) \
342) 343)
344#else
345/*
346 * gcc 3.x is too stupid to do the static test; fall back to dynamic.
347 */
348#define static_cpu_has(bit) boot_cpu_has(bit)
349#endif
343 350
344#endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */ 351#endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */
345 352