linux-kernel - Re: [PATCH v3 8/8] xen/evtchn: use READ/WRITE

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Message-ID: <3d3016a1-d1c8-32fe-40e5-e86e9c39b8cd@oracle.com>
Date:   Sat, 20 Feb 2021 15:35:53 -0500
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org
Cc:     Stefano Stabellini <sstabellini@...nel.org>
Subject: Re: [PATCH v3 8/8] xen/evtchn: use READ/WRITE_ONCE() for accessing
 ring indices


On 2/19/21 10:40 AM, Juergen Gross wrote:
> For avoiding read- and write-tearing by the compiler use READ_ONCE()
> and WRITE_ONCE() for accessing the ring indices in evtchn.c.
>
> Signed-off-by: Juergen Gross <jgross@...e.com>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>