Messages in this thread | | | Date | Mon, 9 Jan 2023 17:29:55 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH 07/12] percpu: Wire up cmpxchg128 |
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On Wed, Jan 04, 2023 at 01:09:16PM +0100, Heiko Carstens wrote: > On Mon, Dec 19, 2022 at 04:35:32PM +0100, Peter Zijlstra wrote: > > In order to replace cmpxchg_double() with the newly minted > > cmpxchg128() family of functions, wire it up in this_cpu_cmpxchg(). > > > > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> > ... > > --- a/arch/s390/include/asm/percpu.h > > +++ b/arch/s390/include/asm/percpu.h > > +#define this_cpu_cmpxchg_16(pcp, oval, nval) \ > > +({ \ > > + u128 old__ = __pcpu_cast_128((nval), (nval)); \ > > + u128 new__ = __pcpu_cast_128((oval), (oval)); \ > > spot the bug... please merge the below into this patch.
D'oh, luckily I got a fresh pile of brown paper bags for xmas.
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