Re: [PATCH v1 0/6] LASS KVM virtualization support

[Zeng Guang]

On 6/28/2023 1:08 AM, Sean Christopherson wrote:
> On Thu, Jun 01, 2023, Zeng Guang wrote:
> > This patch series provide a LASS KVM solution.
> ... and depends on kernel enabling that can be found at
>
> https://lore.kernel.org/all/20230609183632.48706-1-alexander.shishkin@xxxxxxxxxxxxxxx
OK. I will add the dependency statement in next version.
> > We tested the basic function of LASS virtualization including LASS
> > enumeration and enabling in non-root and nested environment. As KVM
> > unittest framework is not compatible to LASS rule, we use kernel module
> > and application test to emulate LASS violation instead. With KVM forced
> > emulation mechanism, we also verified the LASS functionality on some
> > emulation path with instruction fetch and data access to have same
> > behavior as hardware.
> >
> > [1] Intel ISE https://cdrdv2.intel.com/v1/dl/getContent/671368
> > Chapter Linear Address Space Separation (LASS)