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

[Sean Christopherson]

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

> 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)