diff options
Diffstat (limited to 'include/linux/compiler-gcc.h')
| -rw-r--r-- | include/linux/compiler-gcc.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 5776da43da97..e8579412ad21 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h | |||
| @@ -58,17 +58,13 @@ | |||
| 58 | (typeof(ptr)) (__ptr + (off)); \ | 58 | (typeof(ptr)) (__ptr + (off)); \ |
| 59 | }) | 59 | }) |
| 60 | 60 | ||
| 61 | /* Make the optimizer believe the variable can be manipulated arbitrarily. */ | ||
| 62 | #define OPTIMIZER_HIDE_VAR(var) \ | ||
| 63 | __asm__ ("" : "=r" (var) : "0" (var)) | ||
| 64 | |||
| 65 | /* | 61 | /* |
| 66 | * A trick to suppress uninitialized variable warning without generating any | 62 | * A trick to suppress uninitialized variable warning without generating any |
| 67 | * code | 63 | * code |
| 68 | */ | 64 | */ |
| 69 | #define uninitialized_var(x) x = x | 65 | #define uninitialized_var(x) x = x |
| 70 | 66 | ||
| 71 | #ifdef RETPOLINE | 67 | #ifdef CONFIG_RETPOLINE |
| 72 | #define __noretpoline __attribute__((__indirect_branch__("keep"))) | 68 | #define __noretpoline __attribute__((__indirect_branch__("keep"))) |
| 73 | #endif | 69 | #endif |
| 74 | 70 | ||
