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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2023-10-25 17:10:05 +0200 |
|---|---|---|
| committer | John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> | 2023-11-02 10:13:12 +0100 |
| commit | 63f1ee206170ad2363aa25fd99bd5ae529c690ae (patch) | |
| tree | 92cf5eff576a00e820d555867dbd6e61325efcf3 /arch/sh | |
| parent | Documentation: kernel-parameters: Add earlyprintk=bios on SH (diff) | |
| download | linux-63f1ee206170ad2363aa25fd99bd5ae529c690ae.tar.xz linux-63f1ee206170ad2363aa25fd99bd5ae529c690ae.zip | |
locking/atomic: sh: Use generic_cmpxchg_local for arch_cmpxchg_local()
Use __generic_cmpxchg_local() for arch_cmpxchg_local() implementation
on SH architecture because it does not implement arch_cmpxchg_local().
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310241310.Ir5uukOG-lkp@intel.com/
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/169824660459.24340.14614817132696360531.stgit@devnote2
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/include/asm/cmpxchg.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sh/include/asm/cmpxchg.h b/arch/sh/include/asm/cmpxchg.h index 288f6f38d98f..5d617b3ef78f 100644 --- a/arch/sh/include/asm/cmpxchg.h +++ b/arch/sh/include/asm/cmpxchg.h @@ -71,4 +71,13 @@ static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old, (unsigned long)_n_, sizeof(*(ptr))); \ }) +#include <asm-generic/cmpxchg-local.h> + +#define arch_cmpxchg_local(ptr, o, n) ({ \ + (__typeof__(*ptr))__generic_cmpxchg_local((ptr), \ + (unsigned long)(o), \ + (unsigned long)(n), \ + sizeof(*(ptr))); \ +}) + #endif /* __ASM_SH_CMPXCHG_H */ |