Messages in this thread | | | Date | Thu, 25 Aug 2022 13:45:22 -0700 | Subject | Re: [RFC PATCH 1/2] KVM: x86: Add a new system attribute for dynamic XSTATE component | From | "Chang S. Bae" <> |
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On 8/25/2022 9:19 AM, Sean Christopherson wrote: > > Adding new uAPI and new exports to eliminate one line of userspace code is not a > good tradeoff. Am I missing something? This really seems like solution looking > for a problem.
Well, then that's your call.
Yeah, that simplification is really minor. With this, I would rather think KVM wants enforcement before relaying the request to the host. That enforcement is unthinkable without supported_xcr0. But it looks like userspace is somehow trusted here for KVM.
Thanks, Chang
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