From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.9 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46EB9C4727C for ; Tue, 29 Sep 2020 21:42:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D70962076A for ; Tue, 29 Sep 2020 21:42:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="sqTAEiAp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728142AbgI2Vmd (ORCPT ); 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-Google-Smtp-Source: ABdhPJx8g4PsvrZ04THmOIZA5Pfv4k842ratMKMN/KX4T+3kFTxK7lR0xZLye4gsjw3mMz0xteoREAsuMU6FHRnds38= 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.