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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 7E07BC0044D for ; Wed, 11 Mar 2020 23:35:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7158020756 for ; Wed, 11 Mar 2020 23:35:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cI3xnRPt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731418AbgCKXfl (ORCPT ); Wed, 11 Mar 2020 19:35:41 -0400 Received: from mail-pj1-f65.google.com ([209.85.216.65]:55436 "EHLO mail-pj1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726194AbgCKXfl (ORCPT ); Wed, 11 Mar 2020 19:35:41 -0400 Received: by mail-pj1-f65.google.com with SMTP id mj6so1585639pjb.5 for ; Wed, 11 Mar 2020 16:35:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=4zuCrPDHBtAX21eY9BKIbx4zaoZTw3vfx8hnGFwyk5I=; b=cI3xnRPtZ0gJ6SxtNkOLCMVb+rU2wbQIr1qQT3zyzkm25a4PHdXkTJmLgF8NNdcL4j t7TcMqn0aNyS+tfXA/dLMXUhSHppqsSrtI0k9oJhd+WCIalNioe2yRt3K/4Oyqxedf9o adS3FrGxExEwBUIu2JMe/qIwyuQGhwLMl8eeb4NnblFWpuQ/Tit/kCr2GDoGKHfKLx2g 97YT0ualChmYVu2KPLQxj0eVcSVyWeYlADsulBWvThUAVVSoNy9GFdIKPTHlIZEq/IP1 Nk0ydgwatI8aBEFK6+Y6+OtjAns06B7ymZBeTWYy5SJXlN4+EpXGpu3AF/938YH9dG77 MkPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=4zuCrPDHBtAX21eY9BKIbx4zaoZTw3vfx8hnGFwyk5I=; b=OmnTa8Q0VMQRArnIAaEwfQVeFDhk9kb8aQkI3KFc8UygNmsv+3tRUmqepOsl3fR0Qk wCIrJgy6U+hi1tWDTxfCRFF4iyre8tFCdwlgD2ZAuEk3PBD1FmpQqrKlyzDecP+WP3G6 vehwS2qfSfh4wRLg8I2aBZlfMOfqIR6maEn1CU3DCPQYwEp3zIFvYz/vXZs1Q1KXlkqU uonHa12o6yjqiBpoBbLMvKDyjJFompry7+Zvie6nezVUrOKmabWy+ngi9suYUC1SGRsi rjmSgH5FXzYMGlXXFW8EgVC4Rd8UweJe9eeqjPFVDV3oNPh3tgWm2w7xsCy+Y4NM7m8n wO+w== X-Gm-Message-State: ANhLgQ2bIEc9hezSHNSpz8J2VOixA4poGBZhbDjAcTCsSgPAnInjxQW7 uC/leX13UpXXy0ppsP1O0xw= X-Google-Smtp-Source: ADFU+vv4EOxlxZA6nMxiSbmoDoebcBF87Zm8UZ5X5KHtpVI9Xq1EYO9Papi6EJJfd7Z5peb034cbfQ== X-Received: by 2002:a17:902:467:: with SMTP id 94mr5163432ple.302.1583969739717; Wed, 11 Mar 2020 16:35:39 -0700 (PDT) Received: from [10.235.171.60] ([73.93.152.208]) by smtp.gmail.com with ESMTPSA id my6sm7406942pjb.10.2020.03.11.16.35.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 11 Mar 2020 16:35:39 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) Subject: Re: [PATCH] kvm-unit-test: nVMX: Test Selector and Base Address fields of Guest Segment Registers on vmentry of nested guests From: Nadav Amit In-Reply-To: <20200311232550.GM21852@linux.intel.com> Date: Wed, 11 Mar 2020 16:35:37 -0700 Cc: Liran Alon , Krish Sadhukhan , kvm list , Paolo Bonzini , Jim Mattson Content-Transfer-Encoding: quoted-printable Message-Id: References: <20200310225149.31254-1-krish.sadhukhan@oracle.com> <20200310225149.31254-2-krish.sadhukhan@oracle.com> <20200311150516.GB21852@linux.intel.com> <0fb906f6-574f-2e2e-4113-e9d883cb713e@oracle.com> <20200311214657.GJ21852@linux.intel.com> <20200311231206.GL21852@linux.intel.com> <20200311232550.GM21852@linux.intel.com> To: Sean Christopherson X-Mailer: Apple Mail (2.3608.60.0.2.5) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org > On Mar 11, 2020, at 4:25 PM, Sean Christopherson = wrote: >=20 > On Wed, Mar 11, 2020 at 04:21:08PM -0700, Nadav Amit wrote: >>> On Mar 11, 2020, at 4:12 PM, Sean Christopherson = wrote: >>>=20 >>> On Thu, Mar 12, 2020 at 12:54:05AM +0200, Liran Alon wrote: >>>> Of course it was best if Intel would have shared their unit-tests = for CPU >>>> functionality (Sean? I'm looking at you :P), but I am not aware = that they >>>> did. >>>=20 >>> Only in my dreams :-) I would love to open source some of Intel's >>> validation tools so that they could be adapted to hammer KVM, but = it'll >>> never happen for a variety of reasons. >>=20 >> FYI: In 2014 I ran Intel=E2=80=99s fuzzing-tool (Cafe) to test KVM = and found (and >> fixed) ~100 bugs. And I did not even test nested virtualization=E2=80=A6= >=20 > Heh, I worked on Cafe for 6+ years :-) Well, I was working on its predecessor, Janus, for 5 years=E2=80=A6=20=