From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vitaly Kuznetsov Subject: Re: [PATCH v2 0/6] KVM: nVMX: Enlightened VMCS for Hyper-V on KVM Date: Mon, 23 Jul 2018 13:34:04 +0200 Message-ID: <87pnzerxsj.fsf@vitty.brq.redhat.com> References: <20180621123046.29606-1-vkuznets@redhat.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Paolo Bonzini , Radim =?utf-8?B?S3LEjW3DocWZ?= , Roman Kagan , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , "Michael Kelley \(EOSG\)" , Mohammed Gamal , Cathy Avery , linux-kernel@vger.kernel.org, Jim Mattson , Liran Alon To: kvm@vger.kernel.org Return-path: In-Reply-To: <20180621123046.29606-1-vkuznets@redhat.com> (Vitaly Kuznetsov's message of "Thu, 21 Jun 2018 14:30:40 +0200") Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org Vitaly Kuznetsov writes: > Changes since v1 [Liran Alon]: > - Split PATCH2 into two. > - Add a comment explaining eVMCS versioning. > - Convert evmcs_needs_write() to inline function. > - Drop 'unlikely' in vmx_vcpu_run(). > - Add Reviewed-by tags. > > Description: > > This is an initial implementation of Enlightened VMCS for nested Hyper-V on > KVM. Using it helps to spare 1500 cpu cycles for nested vmexit (tight cpuid > loop in WS2016 with Hyper-V role on KVM: 15200 cycles -> 13700 > cycles). It's been a month, ping :-) -- Vitaly