linux-kernel - Re: [PATCH] Xen/gntdev: don't ignore kernel unmapping error

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Message-ID: <6d5cc143-0436-a2da-c3f4-ee7a2cec840c@suse.com>
Date:   Fri, 17 Sep 2021 09:35:48 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Jan Beulich <jbeulich@...e.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc:     Stefano Stabellini <sstabellini@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        "xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>
Subject: Re: [PATCH] Xen/gntdev: don't ignore kernel unmapping error

On 17.09.21 08:13, Jan Beulich wrote:
> While working on XSA-361 and its follow-ups, I failed to spot another
> place where the kernel mapping part of an operation was not treated the
> same as the user space part. Detect and propagate errors and add a 2nd
> pr_debug().
> 
> Signed-off-by: Jan Beulich <jbeulich@...e.com>

Reviewed-by: Juergen Gross <jgross@...e.com>


Juergen


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