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Subject: Re: [PATCH 2/8] xen/blkfront: read response from backend only once
To:     Juergen Gross <jgross@suse.com>
Cc:     Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= <roger.pau@citrix.com>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Stefano Stabellini <sstabellini@kernel.org>,
        Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org,
        xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org
References: <20210513100302.22027-1-jgross@suse.com>
 <20210513100302.22027-3-jgross@suse.com>
From:   Jan Beulich <jbeulich@suse.com>
Message-ID: <8bc3e4e7-a93f-cd8c-3f96-3a8caea38ed3@suse.com>
Date:   Mon, 17 May 2021 15:50:43 +0200
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On 13.05.2021 12:02, Juergen Gross wrote:
> In order to avoid problems in case the backend is modifying a response
> on the ring page while the frontend has already seen it, just read the
> response into a local buffer in one go and then operate on that buffer
> only.
> 
> Signed-off-by: Juergen Gross <jgross@suse.com>

Reviewed-by: Jan Beulich <jbeulich@suse.com>