Re: [sparc64] locking/atomic, kernel OOPS on running stress-ng

[Anatoly Pugachev]

On Tue, Jul 6, 2021 at 12:11 PM Mark Rutland <mark.rutland@xxxxxxx> wrote:
> Fixes: ff5b4f1ed580c59d ("locking/atomic: sparc: move to ARCH_ATOMIC")
> Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx>
> Reported-by: Anatoly Pugachev <matorola@xxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxxxxxxxx>
> ---
>  arch/sparc/include/asm/cmpxchg_64.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/sparc/include/asm/cmpxchg_64.h b/arch/sparc/include/asm/cmpxchg_64.h
> index 8c39a9981187..12d00a42c0a3 100644
> --- a/arch/sparc/include/asm/cmpxchg_64.h
> +++ b/arch/sparc/include/asm/cmpxchg_64.h
> @@ -201,7 +201,7 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
>  #define arch_cmpxchg64_local(ptr, o, n)                                        \
>    ({                                                                   \
>         BUILD_BUG_ON(sizeof(*(ptr)) != 8);                              \
> -       cmpxchg_local((ptr), (o), (n));                                 \
> +       arch_cmpxchg_local((ptr), (o), (n));                                    \
>    })
>  #define arch_cmpxchg64(ptr, o, n)      arch_cmpxchg64_local((ptr), (o), (n))


Mark, thanks, fixed...
tested on git kernel 5.13.0-11788-g79160a603bdb-dirty (dirty - cause
patch has been applied).