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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id r16sm6213363edq.87.2021.05.04.09.19.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 04 May 2021 09:19:33 -0700 (PDT) Subject: Re: [PATCH v2 0/2] KVM: nSVM: few fixes for the nested migration To: Maxim Levitsky , kvm@vger.kernel.org Cc: Borislav Petkov , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , Wanpeng Li , Jim Mattson , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , linux-kernel@vger.kernel.org, Cathy Avery , Sean Christopherson , Vitaly Kuznetsov , Joerg Roedel References: <20210504143936.1644378-1-mlevitsk@redhat.com> From: Paolo Bonzini Message-ID: <08d7ea6e-8b90-e606-5dcf-18393bbae9fd@redhat.com> Date: Tue, 4 May 2021 18:19:31 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210504143936.1644378-1-mlevitsk@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/05/21 16:39, Maxim Levitsky wrote: > Those are few fixes for issues I uncovered by doing variants of a > synthetic migration test I just created: > > I modified the qemu, such that on each vm pause/resume cycle, > just prior to resuming a vCPU, qemu reads its KVM state, > then (optionaly) resets this state by uploading a > dummy reset state to KVM, and then it uploads back to KVM, > the state that this vCPU had before. > > V2: those are only last 2 patches from V1, > updated with review feedback from Paolo (Thanks!). Queued, thanks. Paolo > Best regards, > Maxim Levitsky > > Maxim Levitsky (2): > KVM: nSVM: always restore the L1's GIF on migration > KVM: nSVM: remove a warning about vmcb01 VM exit reason > > arch/x86/kvm/svm/nested.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) >