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Date: Mon, 27 May 2024 14:25:01 +0200
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Subject: Re: [PATCH] tools/memory-model: Document herd7 (internal)
 representation
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To: Andrea Parri <parri.andrea@gmail.com>,
 Alan Stern <stern@rowland.harvard.edu>
Cc: will@kernel.org, peterz@infradead.org, boqun.feng@gmail.com,
 npiggin@gmail.com, dhowells@redhat.com, j.alglave@ucl.ac.uk,
 luc.maranget@inria.fr, paulmck@kernel.org, akiyks@gmail.com,
 dlustig@nvidia.com, joel@joelfernandes.org, linux-kernel@vger.kernel.org,
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References: <20240524151356.236071-1-parri.andrea@gmail.com>
 <1c6d4146-86f8-4fd5-a23e-a95ba2464c9e@rowland.harvard.edu>
 <ZlC5q7bcdCAe7xPp@andrea>
From: Hernan Ponce de Leon <hernan.poncedeleon@huaweicloud.com>
In-Reply-To: <ZlC5q7bcdCAe7xPp@andrea>
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On 5/24/2024 6:00 PM, Andrea Parri wrote:
>> What's the difference between R and R*, or between W and W*?
> 
> AFAIU, herd7 uses such notation, "*", to denote a load or a store which
> is also in RMW.

I also got confused with this. What about the following notation?

	R[once,RMW] ->rmw W[once,RMW]

> 
>    Andrea