diff options
Diffstat (limited to 'include/asm-x86/required-features.h')
| -rw-r--r-- | include/asm-x86/required-features.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/asm-x86/required-features.h b/include/asm-x86/required-features.h index 7400d3ad75c6..8c387198ca88 100644 --- a/include/asm-x86/required-features.h +++ b/include/asm-x86/required-features.h @@ -19,9 +19,13 @@ #if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) # define NEED_PAE (1<<(X86_FEATURE_PAE & 31)) -# define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) #else # define NEED_PAE 0 +#endif + +#ifdef CONFIG_X86_CMPXCHG64 +# define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) +#else # define NEED_CX8 0 #endif |