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[23.128.96.18]) by mx.google.com with ESMTP id bh20si3604847ejb.294.2020.09.29.14.43.38; Tue, 29 Sep 2020 14:44:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=sqTAEiAp; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728104AbgI2Vmd (ORCPT + 99 others); Tue, 29 Sep 2020 17:42:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727922AbgI2Vmd (ORCPT ); Tue, 29 Sep 2020 17:42:33 -0400 Received: from mail-ot1-x343.google.com (mail-ot1-x343.google.com [IPv6:2607:f8b0:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55792C061755 for ; Tue, 29 Sep 2020 14:42:33 -0700 (PDT) Received: by mail-ot1-x343.google.com with SMTP id 95so5936498ota.13 for ; Tue, 29 Sep 2020 14:42:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=eMTnP36m1E+SZKGnieI0HqsItuKWPP95HDOa71tExHY=; b=sqTAEiApfwK6y3dBXrTBGDsRMlig/5xp1blX9IQ1P9kPMe9P4XPvEmmiuFpI904VBK EepRFdv1GLma0uBXS2VxsusDvYSf3+zz5PorEPpzKL62RY9uNsUSgeEXBGhHy7BqB1JS rfJp+5szSw+GbzHbv9r/GHUtkSU346hnvdClgtCWjibRoqxArZg7yrb1mbw9Wh4s96vO rPxCeWVoowsc1/baJQK4cdWayZC64thgRiD434vEglVOgAKZRDUc/4r3WBPrAxZTBXjP aqtD8bnCHDfNMYGomCAJh3XibWqjMrRRNKGgKUbvCuRX5yQtr5fGqdeZM4I+yJGhSAtB wh+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=eMTnP36m1E+SZKGnieI0HqsItuKWPP95HDOa71tExHY=; b=X8BaJcGV/MnZXkoHk1vdtidBe7A0ZQI7ZClb1d9z4B8fMIeBlp0oEWj8PCA2hnjjWV a6zyjGm8IJwslfyb+08fTumYYnYv35018rgYJulkW09tFzrGBkPb2OfeA9nkwXkTolAR 8dEiwuq0bfhmFJIMnzEgCQUVVae4IkKrvcWZpW2lNkU2cnBagePggf1ZcRFmMj93m0wN wBnYFpY6khGubAhqxnsfzgwyzNaY3QHwnKqO0FCfFHp8ikug+n4acszQNMG8f172PPqr Oo1hAJkoSik9Er3jltEKVLDublQ9HwViW+48FavZVsfpUZhkCT1V095YUOBVKyELsIvA c0mA== X-Gm-Message-State: AOAM530FSZZImrjbnClzV9ItxnZcIPm+ZLadXbHGknqw3woaf6bZ20UE FwnwImqWhLKHFZ9+nKWUQpTncPX0bNOnc015Drf1Tw== X-Received: by 2002:a05:6830:164e:: with SMTP id h14mr4048466otr.56.1601415752426; Tue, 29 Sep 2020 14:42:32 -0700 (PDT) MIME-Version: 1.0 References: <1599731444-3525-1-git-send-email-wanpengli@tencent.com> <1599731444-3525-5-git-send-email-wanpengli@tencent.com> In-Reply-To: <1599731444-3525-5-git-send-email-wanpengli@tencent.com> From: Jim Mattson Date: Tue, 29 Sep 2020 14:42:21 -0700 Message-ID: Subject: Re: [PATCH v2 4/9] KVM: VMX: Don't freeze guest when event delivery causes an APIC-access exit To: Wanpeng Li Cc: LKML , kvm list , Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Joerg Roedel Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 10, 2020 at 2:51 AM Wanpeng Li wrote: > > From: Wanpeng Li > > 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 I'm curious if you have a test case for this.