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Re: [Xen-devel] [PATCH v2 2/2] x86/hvm: add support for pcommit instruction

On 01/05/16 15:08, Tian, Kevin wrote:
> > From: Zhang, Haozhong
> > Sent: Wednesday, December 30, 2015 7:49 PM
> > 
> > Pass PCOMMIT CPU feature into HMV domain. Currently, we do not intercept
> > pcommit instruction for L1 guest, and allow L1 to intercept pcommit
> > instruction for L2 guest.
> Could you elaborate why different policies are used for L1/L2? And better
> add a comment in code (at least for vvmx) to describe the intention.
> Thanks
> Kevin

The intention is that we completely expose pcommit (both the
instruction and VMEXIT caused by pcommit) to L1.


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