Re: [Xen-devel] [ANNOUNCE] Xen 3.4.0 released!

To:	Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [ANNOUNCE] Xen 3.4.0 released!
From:	Dirk Utterback <dirk.utterback@xxxxxxxxx>
Date:	Tue, 19 May 2009 18:04:40 -0700
Cc:	zen <sagitar.zen@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
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> Does it need vt-d or not for device passthrough?

It needs vt-d. Actually I have a hacky patch for providing limited support
for passthrough without vt-d, which I attach here. It lets you pass through
devices to the first HVM guest that you create. You're on your own with this
patch!

Will your patch go into main tree and passthrough w/o vt-d be officially supported with future Xen?
It might be for minor thing for servers, but really critical for laptops. Thx.

Dirk

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Re: [Xen-devel] [ANNOUNCE] Xen 3.4.0 released!