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RE: [PATCH] VT-d: constrain IGD check
- To: "Beulich, Jan" <JBeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
- Date: Tue, 14 Mar 2023 01:47:35 +0000
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- Cc: "Marczykowski, Marek" <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 14 Mar 2023 01:48:02 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH] VT-d: constrain IGD check
> From: Jan Beulich <jbeulich@xxxxxxxx>
> Sent: Tuesday, February 28, 2023 5:52 PM
>
> Marking a DRHD as controlling an IGD isn't very sensible without
> checking that at the very least it's a graphics device that lives at
> 0000:00:02.0. Re-use the reading of the class-code to control both the
> clearing of "gfx_only" and the setting of "igd_drhd_address".
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
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