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Message-ID: <ZXc+gpayQTUT22t+@andrea>
Date:   Mon, 11 Dec 2023 17:53:22 +0100
From:   Andrea Parri <parri.andrea@...il.com>
To:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:     paulmck@...nel.org, palmer@...belt.com, paul.walmsley@...ive.com,
        aou@...s.berkeley.edu, mmaas@...gle.com, hboehm@...gle.com,
        striker@...ibm.com, charlie@...osinc.com, rehn@...osinc.com,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 4/4] membarrier: Introduce Kconfig ARCH_HAS_MEMBARRIER

On Mon, Dec 11, 2023 at 08:34:21AM -0500, Mathieu Desnoyers wrote:
> On 2023-12-11 04:44, Andrea Parri wrote:
> > Architectures supporting the "private expedited" membarrier command must
> > select the Kconfig to use the command.  Document status and requirements
> > for each architecture in a single file under Documentation/features.
> 
> Sorry for being vague in my suggestion: I did not intend to make it
> optional (not ARCH_HAS_MEMBARRIER), but rather just to have a central
> place where this would be documented.

I see.


> I'm not sure where in Documentation this should land though ?

Not sure, perhaps a section in (a new) Documentation/scheduler/membarrier.rst?

  Andrea

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