Re: [PATCH v2 00/11] Re-enable ENQCMD and PASID MSR

[Fenghua Yu]

Hi, Dear Maintainers,

On Fri, Dec 17, 2021 at 10:01:25PM +0000, Fenghua Yu wrote:
> Problems in the old code to manage SVM (Shared Virtual Memory) devices
> and the PASID (Process Address Space ID) led to that code being
> disabled.
> 
> Subsequent discussions resulted in a far simpler approach:
> 
> 1) PASID life cycle is from first allocation by a process until that
>    process exits.
> 2) All tasks begin with PASID disabled
> 3) The #GP fault handler tries to fix faulting ENQCMD instructions very
>    early (thus avoiding complexities of the XSAVE infrastructure)

Any comments on this series?

Thanks.

-Fenghua