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Re: [Xen-devel] [PATCH] iommu/quirk: disable shared EPT for Sandybridge and earlier processors.
>>> On 26.11.15 at 12:42, <andrew.cooper3@xxxxxxxxxx> wrote:
> Also, on further consideration, the better fix (however we identify the
> affected systems) would be to quirk the IOMMUs themselves into not
> claiming 2M/1G superpage support.
>
> Otherwise, when we do eventually get superpage IOMMU mapping support in
> the API, the performance regression will creep back in.
Indeed, good point.
Jan
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