linux-kernel - Re: [PATCH v2 4/9] KVM: VMX: Don't freeze guest when event delivery causes an APIC-access exit

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Message-ID: <CALMp9eRpo0pJ3sO-xGoEZf7ktWb07BvNoDJyaH0pQkE5EY_Yaw@mail.gmail.com>
Date:   Tue, 29 Sep 2020 14:42:21 -0700
From:   Jim Mattson <jmattson@...gle.com>
To:     Wanpeng Li <kernellwp@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kvm list <kvm@...r.kernel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Joerg Roedel <joro@...tes.org>
Subject: Re: [PATCH v2 4/9] KVM: VMX: Don't freeze guest when event delivery
 causes an APIC-access exit

On Thu, Sep 10, 2020 at 2:51 AM Wanpeng Li <kernellwp@...il.com> wrote:
>
> From: Wanpeng Li <wanpengli@...cent.com>
>
> According to SDM 27.2.4, Event delivery causes an APIC-access VM exit.
> Don't report internal error and freeze guest when event delivery causes
> an APIC-access exit, it is handleable and the event will be re-injected
> during the next vmentry.
>
> Signed-off-by: Wanpeng Li <wanpengli@...cent.com>

I'm curious if you have a test case for this.