On Thu, 2023-10-26 at 00:10 +0900, Masami Hiramatsu (Google) wrote:
> From: Masami Hiramatsu (Google) <mhira...@kernel.org>
> 
> Use __generic_cmpxchg_local() for arch_cmpxchg_local() implementation
> in SH architecture because it does not implement arch_cmpxchg_local().
> 
> Reported-by: kernel test robot <l...@intel.com>
> Closes: 
> https://lore.kernel.org/oe-kbuild-all/202310241310.ir5uukog-...@intel.com/
> Signed-off-by: Masami Hiramatsu (Google) <mhira...@kernel.org>
> ---
>  arch/sh/include/asm/cmpxchg.h |    9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> 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 */

Reviewed-by: John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de>

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

Reply via email to