[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: [PATCH] VT-d: prevent dom0 to use VT-d HW
On 08/09/2009 15:07, "Ian Jackson" <Ian.Jackson@xxxxxxxxxxxxx> wrote: > Christian Tramnitz writes ("[Xen-devel] Re: [PATCH] VT-d: prevent dom0 to use > VT-d HW"): >> Wouldn't be easier (and more likely to be adopted by upstream) to add a >> Kconfig dependency like "depends on !XEN_DOM0" to VT-d? > > I don't think that would be right. Nowadays we want to be able to > build kernels that will work on bare hardware, or under Xen, rather > than baking the configuration statically into the kernel image. The correct alternative would be to gate VT-d initialisation at run-time, conditional on being run as dom0. Probably would need a hook and probably would not be hugely palatable to the kernel maintainers. This effective 'virtualisation'/hack of the ACPI tables is probably the right way to go. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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