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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 16:17:57 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 16:17:57 +0300 |
| commit | f77d26a9fc525286bcef3d4f98b52e17482cf49c (patch) | |
| tree | 6b179c9aa84787773cb601a14a64255e2912154b /tools/include/linux/compiler-gcc.h | |
| parent | b6bea24d41519e8c31e4798f1c1a3f67e540c5d0 (diff) | |
| parent | f0178fc01fe46bab6a95415f5647d1a74efcad1b (diff) | |
| download | linux-f77d26a9fc525286bcef3d4f98b52e17482cf49c.tar.xz | |
Merge branch 'x86/entry' into ras/core
to fixup conflicts in arch/x86/kernel/cpu/mce/core.c so MCE specific follow
up patches can be applied without creating a horrible merge conflict
afterwards.
Diffstat (limited to 'tools/include/linux/compiler-gcc.h')
| -rw-r--r-- | tools/include/linux/compiler-gcc.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h index 95c072b70d0e..b9d4322e1e65 100644 --- a/tools/include/linux/compiler-gcc.h +++ b/tools/include/linux/compiler-gcc.h @@ -27,6 +27,18 @@ #define __pure __attribute__((pure)) #endif #define noinline __attribute__((noinline)) +#ifdef __has_attribute +#if __has_attribute(disable_tail_calls) +#define __no_tail_call __attribute__((disable_tail_calls)) +#endif +#endif +#ifndef __no_tail_call +#if GCC_VERSION > 40201 +#define __no_tail_call __attribute__((optimize("no-optimize-sibling-calls"))) +#else +#define __no_tail_call +#endif +#endif #ifndef __packed #define __packed __attribute__((packed)) #endif |