linux-kernel - Re: [RFC v2 0/3] memory model: Make unlock(A)+lock(B) on the same CPU RCtso

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Message-ID: <YXenNR6SX5Jot5Dt@hirez.programming.kicks-ass.net>
Date:   Tue, 26 Oct 2021 08:59:01 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Boqun Feng <boqun.feng@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-doc@...r.kernel.org,
        "Paul E . McKenney " <paulmck@...nel.org>,
        Dan Lustig <dlustig@...dia.com>, Will Deacon <will@...nel.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, mpe@...erman.id.au,
        Jonathan Corbet <corbet@....net>
Subject: Re: [RFC v2 0/3] memory model: Make unlock(A)+lock(B) on the same
 CPU RCtso

On Mon, Oct 25, 2021 at 10:54:13PM +0800, Boqun Feng wrote:
> Boqun Feng (3):
>   tools/memory-model: Provide extra ordering for unlock+lock pair on the
>     same CPU
>   tools/memory-model: doc: Describe the requirement of the litmus-tests
>     directory
>   tools/memory-model: litmus: Add two tests for unlock(A)+lock(B)
>     ordering

I'm obviously all in favour of this :-)

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>