From: Paolo Bonzini <pbonzini@redhat.com>
To: Vitaly Kuznetsov <vkuznets@redhat.com>, Wanpeng Li <kernellwp@gmail.com>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH v4 1/2] KVM: X86: Less kvmclock sync induced vmexits after VM boots
Date: Tue, 18 Feb 2020 17:31:03 +0100 [thread overview]
Message-ID: <8804030e-db83-d212-d712-807833f9fd7e@redhat.com> (raw)
In-Reply-To: <87mu9f97uv.fsf@vitty.brq.redhat.com>
On 18/02/20 17:29, Vitaly Kuznetsov wrote:
>> No, it executes after 5 minutes. I agree that the patch shouldn't be
>> really necessary, though you do save on cacheline bouncing due to
>> test_and_set_bit.
>
> True, but the changelog should probably be updated then.
Yes, I agree.
Paolo
next prev parent reply other threads:[~2020-02-18 16:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-18 1:17 [PATCH v4 1/2] KVM: X86: Less kvmclock sync induced vmexits after VM boots Wanpeng Li
2020-02-18 1:17 ` [PATCH RESEND v4 2/2] KVM: nVMX: Hold KVM's srcu lock when syncing vmcs12->shadow Wanpeng Li
2020-02-18 14:54 ` [PATCH v4 1/2] KVM: X86: Less kvmclock sync induced vmexits after VM boots Vitaly Kuznetsov
2020-02-18 15:33 ` Paolo Bonzini
2020-02-18 16:29 ` Vitaly Kuznetsov
2020-02-18 16:31 ` Paolo Bonzini [this message]
2020-02-19 0:32 ` Wanpeng Li
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