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SubjectRe: [sparc64] locking/atomic, kernel OOPS on running stress-ng
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@arm.com> wrote:
> > Fixes: ff5b4f1ed580c59d ("locking/atomic: sparc: move to ARCH_ATOMIC")
> > Signed-off-by: Mark Rutland <mark.rutland@arm.com>
> > Reported-by: Anatoly Pugachev <matorola@gmail.com>
> > Cc: "David S. Miller" <davem@davemloft.net>
> > Cc: Peter Zijlstra <peterz@lists.infradead.org>
> > ---
> > 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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