From: Wanpeng Li <kernellwp@gmail.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>, kvm <kvm@vger.kernel.org>,
Sean Christopherson <seanjc@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>
Subject: Re: [PATCH v2 2/3] KVM: LAPIC: Reset TMCCT during vCPU reset
Date: Wed, 9 Jun 2021 10:15:00 +0800 [thread overview]
Message-ID: <CANRm+Cx3LpnMwWHAvJoTErAdWoceO9DBPqY0UkbQHW-ZUHw5=g@mail.gmail.com> (raw)
In-Reply-To: <0584d79d-9f2c-52dd-5dcc-beffd18f265b@redhat.com>
On Wed, 9 Jun 2021 at 00:27, Paolo Bonzini <pbonzini@redhat.com> wrote:
[...]
> Perhaps instead set TMCCT to 0 in kvm_apic_set_state, instead of keeping
> the value that was filled in by KVM_GET_LAPIC?
Keeping the value that was filled in by KVM_GET_LAPIC is introduced by
commit 24647e0a39b6 (KVM: x86: Return updated timer current count
register from KVM_GET_LAPIC), could you elaborate more? :)
Wanpeng
next prev parent reply other threads:[~2021-06-09 2:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 7:19 [PATCH v2 1/3] KVM: LAPIC: Write 0 to TMICT should also cancel vmx-preemption timer Wanpeng Li
2021-06-07 7:19 ` [PATCH v2 2/3] KVM: LAPIC: Reset TMCCT during vCPU reset Wanpeng Li
2021-06-08 16:27 ` Paolo Bonzini
2021-06-09 2:15 ` Wanpeng Li [this message]
2021-06-09 5:51 ` Paolo Bonzini
2021-06-09 7:18 ` Wanpeng Li
2021-06-07 7:19 ` [PATCH v2 3/3] KVM: X86: Let's harden the ipi fastpath condition edge-trigger mode Wanpeng Li
2021-06-08 16:27 ` Paolo Bonzini
2021-06-08 16:35 ` Sean Christopherson
2021-06-08 17:40 ` Paolo Bonzini
2021-06-09 2:08 ` Wanpeng Li
2021-06-08 16:27 ` [PATCH v2 1/3] KVM: LAPIC: Write 0 to TMICT should also cancel vmx-preemption timer Paolo Bonzini
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