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| author | Takashi Iwai <tiwai@suse.de> | 2009-01-17 12:01:12 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-01-17 12:01:12 +0100 |
| commit | d1a020050c6ce1a0794ff73582ccf47e4db536f7 (patch) | |
| tree | 1b7250410f24703cd77c76156e758db9887137aa /include/linux/compiler-gcc4.h | |
| parent | dc61b66fc724f89d357c43e2319d2cb7bec1e517 (diff) | |
| parent | 641b4879444c0edb276fedca5c2fcbd2e5c70044 (diff) | |
| download | lwn-d1a020050c6ce1a0794ff73582ccf47e4db536f7.tar.gz lwn-d1a020050c6ce1a0794ff73582ccf47e4db536f7.zip | |
Merge branch 'topic/usb-mixer-cache' into next/usb-audio
Diffstat (limited to 'include/linux/compiler-gcc4.h')
| -rw-r--r-- | include/linux/compiler-gcc4.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 974f5b7bb205..09992718f9e8 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -2,8 +2,10 @@ #error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead." #endif -/* These definitions are for GCC v4.x. */ -#include <linux/compiler-gcc.h> +/* GCC 4.1.[01] miscompiles __weak */ +#if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1 +# error Your version of gcc miscompiles the __weak directive +#endif #define __used __attribute__((__used__)) #define __must_check __attribute__((warn_unused_result)) @@ -16,7 +18,7 @@ */ #define uninitialized_var(x) x = x -#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 3) +#if __GNUC_MINOR__ >= 3 /* Mark functions as cold. gcc will assume any path leading to a call to them will be unlikely. This means a lot of manual unlikely()s are unnecessary now for any paths leading to the usual suspects |