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locking/atomic: sh: Use generic_cmpxchg_local for arch_cmpxchg_local()

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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>
This commit is contained in:
Masami Hiramatsu 2023-10-26 00:10:05 +09:00 committed by John Paul Adrian Glaubitz
parent 78a96c86a0
commit 63f1ee2061
1 changed files with 9 additions and 0 deletions
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9
arch/sh/include/asm/cmpxchg.h
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@ -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 */