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Date: Fri, 08 Oct 2021 16:30:37 +1100 From: Michael Ellerman <mpe@...erman.id.au> To: Boqun Feng <boqun.feng@...il.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Cc: "Paul E . McKenney" <paulmck@...nel.org>, Dan Lustig <dlustig@...dia.com>, Will Deacon <will@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Peter Anvin <hpa@...or.com>, Andrea Parri <parri.andrea@...il.com>, Ingo Molnar <mingo@...nel.org>, Vince Weaver <vincent.weaver@...ne.edu>, Thomas Gleixner <tglx@...utronix.de>, Jiri Olsa <jolsa@...hat.com>, Arnaldo Carvalho de Melo <acme@...hat.com>, Stephane Eranian <eranian@...gle.com>, palmer@...belt.com, paul.walmsley@...ive.com, Alan Stern <stern@...land.harvard.edu>, linux-arch@...r.kernel.org Subject: Re: [PATCH] tools/memory-model: Provide extra ordering for unlock+lock pair on the same CPU Boqun Feng <boqun.feng@...il.com> writes: > (Add linux-arch in Cc list) > > Architecture maintainers, this patch is about strengthening our memory > model a little bit, your inputs (confirmation, ack/nack, etc.) are > appreciated. Hi Boqun, I don't feel like I'm really qualified to give an ack here, you and the other memory model folk know this stuff much better than me. But I have reviewed it and it matches my understanding of how our barriers work, so it looks OK to me. Reviewed-by: Michael Ellerman <mpe@...erman.id.au> (powerpc) cheers
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