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From: | Chen, Tiejun |
Subject: | Re: [Qemu-devel] [Xen-devel] [PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough |
Date: | Mon, 03 Nov 2014 19:36:44 +0800 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 |
On 2014/11/3 19:35, Paolo Bonzini wrote:
On 03/11/2014 08:48, Chen, Tiejun wrote:I think the point was mostly to reserve 1f to prevent devices from using it. As we populate slots in order it doesn't seem to important ...If we populate slot at !1f GFX driver can't find this ISA bridge.Right, but I mean if no special options are used, 1f will typically stay free without any effort on our side.Yeah. Actually based on current info we know, seems 1f is just specific to our scenario :) So I always think we can occupy that. But Paolo and you can really determine this point.What's your idea?I do not have any objection to always occupying 1f for Xen IGD passthrough.
Cool ;-) Thanks Tiejun
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