RE: [PATCH] x86/vtd: relax EPT page table sharing check

2020-04-19 Thread Tian, Kevin
> From: Roger Pau Monne > Sent: Friday, April 17, 2020 7:30 PM > > The EPT page tables can be shared with the IOMMU as long as the page > sizes supported by EPT are also supported by the IOMMU. > > Current code checks that both the IOMMU and EPT support the same page > sizes, but this is not str

Re: [PATCH] x86/vtd: relax EPT page table sharing check

2020-04-17 Thread Jan Beulich
On 17.04.2020 13:29, Roger Pau Monne wrote: > The EPT page tables can be shared with the IOMMU as long as the page > sizes supported by EPT are also supported by the IOMMU. > > Current code checks that both the IOMMU and EPT support the same page > sizes, but this is not strictly required, the IOM