linux-kernel - Re: [PATCH] tools/memory-model: Add atomic_and()/or()/xor() and add

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Message-ID: <ZjuaFmFMloYqq1PS@andrea>
Date: Wed, 8 May 2024 17:28:22 +0200
From: Andrea Parri <parri.andrea@...il.com>
To: Puranjay Mohan <puranjay@...nel.org>
Cc: Alan Stern <stern@...land.harvard.edu>, Will Deacon <will@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Boqun Feng <boqun.feng@...il.com>,
	Nicholas Piggin <npiggin@...il.com>,
	David Howells <dhowells@...hat.com>,
	Jade Alglave <j.alglave@....ac.uk>,
	Luc Maranget <luc.maranget@...ia.fr>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Akira Yokosawa <akiyks@...il.com>,
	Daniel Lustig <dlustig@...dia.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	puranjay12@...il.com
Subject: Re: [PATCH] tools/memory-model: Add atomic_and()/or()/xor() and
 add_negative

On Wed, May 08, 2024 at 02:34:00PM +0000, Puranjay Mohan wrote:
> Pull-849[1] added the support of '&', '|', and '^' to the herd7 tool's
> atomics operations.
> 
> Use these in linux-kernel.def to implement atomic_and()/or()/xor() with
> all their ordering variants.
> 
> atomic_add_negative() is already available so add its acquire, release,
> and relaxed ordering variants.
> 
> [1] https://github.com/herd/herdtools7/pull/849
> 
> Signed-off-by: Puranjay Mohan <puranjay@...nel.org>

Acked-by: Andrea Parri <parri.andrea@...il.com>

Thanks,
  Andrea