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xen-devel
Re: [Xen-devel] [PATCH] VT-d: prevent dom0 to use VT-d HW
On 09/07/09 19:24, Han, Weidong wrote:
> pv-ops dom0 contains Linux upstream VT-d driver, and will go to enable it
> when VT-d is set in kernel config file. It should not enable VT-d in dom0.
>
> Currently it already zaps ACPI DMAR signature to prevents dom0 using VT-d HW
> when VT-d is enabled for Xen. But when VT-d is not enabled for Xen, and VT-d
> is set in pv-ops kernel config file, pv-ops dom0 will go to enable it. This
> will results in pv-ops dom0 booting failure. This patch prevents dom0 to use
> VT-d HW whether VT-d is enabled or disabled for Xen.
>
Which tree is this against? My dom0 tree doesn't have
drivers/passthrough/vtd/. Is there a branch you'd like me to pull in?
Thanks,
J
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