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[Xen-devel] Re: [PATCH] xend: passthrough: revert some parts of changese

To: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH] xend: passthrough: revert some parts of changeset 20348: 9ead82c46efd
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Mon, 2 Nov 2009 10:49:26 +0000
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>
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On Mon, 2 Nov 2009, Cui, Dexuan wrote:
> Changeset 20348 breaks the device assignment (at least) in the
> non-stubdomain case, e.g.,
> 1) we can't assign more than 1 device to hvm guest statically: 'xm create'
> complains "Error: Device 0 (pci) is already connected";
> 2) after we assign 1 device to hvm guest statically and we 'xm pci-detach'
> the device from guest later, we can find 'xm pci-list' still shows the device
> is assigned to the guest, and we can't 'xm pci-attach' the device to the guest
> any longer.
> The patch reverts some parts of changeset 20348 to fix the above issues.
> Hope this doesn't offend the passthrough in the stub-domain case.
> Stefano, please have a look.

Keir, please wait applying this patch because I am aware of the issues
above and I am trying to come up with a fix that would work for stubdoms

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