kvm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jim Mattson <jmattson@google.com>
To: Wanpeng Li <kernellwp@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	kvm list <kvm@vger.kernel.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <sean.j.christopherson@intel.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Joerg Roedel <joro@8bytes.org>
Subject: Re: [PATCH v2 4/9] KVM: VMX: Don't freeze guest when event delivery causes an APIC-access exit
Date: Tue, 29 Sep 2020 14:42:21 -0700	[thread overview]
Message-ID: <CALMp9eRpo0pJ3sO-xGoEZf7ktWb07BvNoDJyaH0pQkE5EY_Yaw@mail.gmail.com> (raw)
In-Reply-To: <1599731444-3525-5-git-send-email-wanpengli@tencent.com>

On Thu, Sep 10, 2020 at 2:51 AM Wanpeng Li <kernellwp@gmail.com> wrote:
>
> From: Wanpeng Li <wanpengli@tencent.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@tencent.com>

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

  reply	other threads:[~2020-09-29 21:42 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10  9:50 [PATCH v2 0/9] KVM: collect sporadic patches Wanpeng Li
2020-09-10  9:50 ` [PATCH v2 1/9] KVM: LAPIC: Return 0 when getting the tscdeadline timer if the lapic is hw disabled Wanpeng Li
2020-09-10  9:50 ` [PATCH v2 2/9] KVM: LAPIC: Guarantee the timer is in tsc-deadline mode when setting Wanpeng Li
2020-09-10  9:50 ` [PATCH v2 3/9] KVM: LAPIC: Fix updating DFR missing apic map recalculation Wanpeng Li
2020-09-10  9:50 ` [PATCH v2 4/9] KVM: VMX: Don't freeze guest when event delivery causes an APIC-access exit Wanpeng Li
2020-09-29 21:42   ` Jim Mattson [this message]
2020-09-10  9:50 ` [PATCH v2 5/9] KVM: LAPIC: Narrow down the kick target vCPU Wanpeng Li
2020-09-12  6:46   ` Paolo Bonzini
2020-09-10  9:50 ` [PATCH v2 6/9] KVM: LAPIC: Reduce world switch latency caused by timer_advance_ns Wanpeng Li
2020-09-10  9:50 ` [PATCH v2 7/9] KVM: SVM: Get rid of handle_fastpath_set_msr_irqoff() Wanpeng Li
2020-09-10  9:50 ` [PATCH v2 8/9] KVM: SVM: Move svm_complete_interrupts() into svm_vcpu_run() Wanpeng Li
2020-09-10  9:50 ` [PATCH v2 9/9] KVM: SVM: Reenable handle_fastpath_set_msr_irqoff() after complete_interrupts() Wanpeng Li
2020-09-12  6:47 ` [PATCH v2 0/9] KVM: collect sporadic patches Paolo Bonzini

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CALMp9eRpo0pJ3sO-xGoEZf7ktWb07BvNoDJyaH0pQkE5EY_Yaw@mail.gmail.com \
    --to=jmattson@google.com \
    --cc=joro@8bytes.org \
    --cc=kernellwp@gmail.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pbonzini@redhat.com \
    --cc=sean.j.christopherson@intel.com \
    --cc=vkuznets@redhat.com \
    --cc=wanpengli@tencent.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).