diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/bitops.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index b97596e2b68..a6983b27722 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h | |||
| @@ -15,6 +15,8 @@ | |||
| 15 | #include <linux/compiler.h> | 15 | #include <linux/compiler.h> |
| 16 | #include <asm/alternative.h> | 16 | #include <asm/alternative.h> |
| 17 | 17 | ||
| 18 | #define BIT_64(n) (U64_C(1) << (n)) | ||
| 19 | |||
| 18 | /* | 20 | /* |
| 19 | * These have to be done with inline assembly: that way the bit-setting | 21 | * These have to be done with inline assembly: that way the bit-setting |
| 20 | * is guaranteed to be atomic. All bit operations return 0 if the bit | 22 | * is guaranteed to be atomic. All bit operations return 0 if the bit |