From: Maxim Levitsky <mlevitsk@redhat.com>
To: kvm@vger.kernel.org
Cc: Borislav Petkov <bp@alien8.de>,
Paolo Bonzini <pbonzini@redhat.com>,
x86@kernel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)),
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, Cathy Avery <cavery@redhat.com>,
Sean Christopherson <seanjc@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Joerg Roedel <joro@8bytes.org>,
Maxim Levitsky <mlevitsk@redhat.com>
Subject: [PATCH v2 0/2] KVM: nSVM: few fixes for the nested migration
Date: Tue, 4 May 2021 17:39:34 +0300 [thread overview]
Message-ID: <20210504143936.1644378-1-mlevitsk@redhat.com> (raw)
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!).
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(-)
--
2.26.2
next reply other threads:[~2021-05-04 14:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-04 14:39 Maxim Levitsky [this message]
2021-05-04 14:39 ` [PATCH v2 1/2] KVM: nSVM: always restore the L1's GIF on migration Maxim Levitsky
2021-05-04 14:39 ` [PATCH v2 2/2] KVM: nSVM: remove a warning about vmcb01 VM exit reason Maxim Levitsky
2021-05-04 16:19 ` [PATCH v2 0/2] KVM: nSVM: few fixes for the nested migration Paolo Bonzini
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