linux-kernel - Re: [PATCH] xen/pvh: don't try to unplug emulated devices

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Message-ID: <420b4720-801c-542f-5b9c-5d35e2276c33@oracle.com>
Date:   Thu, 25 Oct 2018 08:03:33 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Juergen Gross <jgross@...e.com>, linux-kernel@...r.kernel.org,
        xen-devel@...ts.xenproject.org
Cc:     sstabellini@...nel.org, stable@...r.kernel.org
Subject: Re: [PATCH] xen/pvh: don't try to unplug emulated devices

On 10/25/18 3:54 AM, Juergen Gross wrote:
> A Xen PVH guest has no associated qemu device model, so trying to
> unplug any emulated devices is making no sense at all.
>
> Bail out early from xen_unplug_emulated_devices() when running as PVH
> guest. This will avoid issuing the boot message:
>
> [    0.000000] Xen Platform PCI: unrecognised magic value
>
> Cc: <stable@...r.kernel.org> # 4.11
> Signed-off-by: Juergen Gross <jgross@...e.com>

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