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

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On Tue, Jul 06, 2021 at 02:51:06PM +0300, Anatoly Pugachev wrote:
> 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).

Great! Thanks for confirming.

Peter, are you happy to pick that (full commit in last mail), or should
I send a new copy?

Thanks,
Mark.



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