From: "Paul E. McKenney" <paulmck@kernel.org>
To: Andrea Parri <parri.andrea@gmail.com>
Cc: Puranjay Mohan <puranjay@kernel.org>,
Alan Stern <stern@rowland.harvard.edu>,
Will Deacon <will@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Boqun Feng <boqun.feng@gmail.com>,
Nicholas Piggin <npiggin@gmail.com>,
David Howells <dhowells@redhat.com>,
Jade Alglave <j.alglave@ucl.ac.uk>,
Luc Maranget <luc.maranget@inria.fr>,
Akira Yokosawa <akiyks@gmail.com>,
Daniel Lustig <dlustig@nvidia.com>,
Joel Fernandes <joel@joelfernandes.org>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
puranjay12@gmail.com
Subject: Re: [PATCH] tools/memory-model: Add atomic_andnot() with its variants
Date: Tue, 14 May 2024 12:02:40 -0700 [thread overview]
Message-ID: <aeba034f-142b-4d8f-9ea8-475f4dbaaf1c@paulmck-laptop> (raw)
In-Reply-To: <ZkNG2uZEiF1S6M7z@andrea>
On Tue, May 14, 2024 at 01:11:22PM +0200, Andrea Parri wrote:
> > C andnot
> >
> > {
> > atomic_t u = ATOMIC_INIT(7);
> > }
> >
> > P0(atomic_t *u)
> > {
> >
> > r0 = atomic_fetch_andnot(3, u);
> > r1 = READ_ONCE(*u);
> > }
> >
> > exists (0:r0=7 /\ 0:r1=4)
>
> Fair enough for the changelog. If/when submitting proper tests, please
> check their format using klitmus7 (besides herd7); say,
>
> $ mkdir mymodule
> $ klitmus7 -o mymodule <.litmus file>
> $ cd mymodule ; make
> $ sudo sh run.sh
>
> Documentation/litmus-tests/ provides some examples litmus tests.
>
>
> > Signed-off-by: Puranjay Mohan <puranjay@kernel.org>
>
> Acked-by: Andrea Parri <parri.andrea@gmail.com>
Queued and pushed, thank you both!
Again, I will hold off pushing this until herd7 releases a version
supporting this.
Thanx, Paul
prev parent reply other threads:[~2024-05-14 19:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-14 9:46 Puranjay Mohan
2024-05-14 11:11 ` Andrea Parri
2024-05-14 19:02 ` Paul E. McKenney [this message]
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