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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 56026C433DB for ; Wed, 20 Jan 2021 22:12:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15A36206ED for ; Wed, 20 Jan 2021 22:12:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729853AbhATVi4 (ORCPT ); Wed, 20 Jan 2021 16:38:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388330AbhATVPM (ORCPT ); Wed, 20 Jan 2021 16:15:12 -0500 Received: from mail-ot1-x32b.google.com (mail-ot1-x32b.google.com [IPv6:2607:f8b0:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D2B0C0613D6 for ; Wed, 20 Jan 2021 13:14:30 -0800 (PST) Received: by mail-ot1-x32b.google.com with SMTP id i20so16974051otl.7 for ; Wed, 20 Jan 2021 13:14:30 -0800 (PST) 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=yEkUpjuUk+6RvwFY/bU3gV3b0FLwS6IRTzESJ9aPwIY=; b=KnjZZzxfVrWLF4nHoY1hwoo0B/5QYXtUetFrZwE0BUGMi+HeT39vkey3wNNpQmUSOi MC4Mlg1aWdGEkQSC421ZkcNLSyf4m1zSCvyrhEO3nUGNNgCRJGQXCheg5UdArPyAwTlD 6sjn6VHJOQAkIGbZxCgKXCZop6CZLRctv21O+uNpf/MIHDKwZrtnoM4GTzj63h5WPVok VVwB/rs9XhZqnAS3IDexnIF2LuqNgVY60BXlDUHjwREHyRz+Hxc1kNewjfX5s0b52OdA sz2I0gS1iLtibhrTbOzPsqEV6s1hjY4sDRKbigkICAB83YFzSvCae+lBbrQ4cWRXQhYS 1Z7A== 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=yEkUpjuUk+6RvwFY/bU3gV3b0FLwS6IRTzESJ9aPwIY=; b=TRqmrVAATDkgD1+oSlpyN5bcC7UIF8uBdDlz38oj/OP1g/1jsSR3UQ8oJmhO6MnUB7 KfdwYAYuoJtDbHc+N9U0O9KTHJN6kUg3Bl96CWChasga9Kjpdndhtv5M+qeeo9Eovyn6 lfPLhGNwxYXYog5oSD9fehHx3MXiTZ48mpsY88qQwGmw6QIDvkQEdzNft57+YeG+AflT 90bPMrug4un9JTLEHcirYOLiFS/3fc1hgqcByBpE91YQyNgkjtnADAu9XA8Pj1MgZk9F tRYgBRg9PFI1C8vizg3HnNy5Og/iCTV8+f9Xvoi2Gg716/wbVFF6TmJhXMSzvWB/oCls 2rzg== X-Gm-Message-State: AOAM530WEpzMtAAd+hMZWvVLcfepfEtoW9fSlcN4Q3XOS9wi20xx2qnM /SaM1DrI6Jz+T1KVbujbFqR+/dWGsTi3u58dsSMEZA== X-Google-Smtp-Source: ABdhPJwZJIQYQQlTR+gr34xTpqov/GqHEuPA4quEUqWdYPej8xqqkJIm1sVeKmiOJ/CC1lQu4CDiLBU1aVBFLeh6FYY= X-Received: by 2002:a05:6830:1da4:: with SMTP id z4mr8172697oti.295.1611177268815; Wed, 20 Jan 2021 13:14:28 -0800 (PST) MIME-Version: 1.0 References: <159985237526.11252.1516487214307300610.stgit@bmoger-ubuntu> <83a96ca9-0810-6c07-2e45-5aa2da9b1ab0@redhat.com> <5df9b517-448f-d631-2222-6e78d6395ed9@amd.com> In-Reply-To: From: Jim Mattson Date: Wed, 20 Jan 2021 13:14:17 -0800 Message-ID: Subject: Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support To: Babu Moger Cc: Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , kvm list , Joerg Roedel , "the arch/x86 maintainers" , LKML , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Thomas Gleixner , Makarand Sonare , Sean Christopherson Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 19, 2021 at 3:45 PM Babu Moger wrote: > > > > On 1/19/21 5:01 PM, Jim Mattson wrote: > > On Mon, Sep 14, 2020 at 11:33 AM Babu Moger wrote: > > > >> Thanks Paolo. Tested Guest/nested guest/kvm units tests. Everything works > >> as expected. > > > > Debian 9 does not like this patch set. As a kvm guest, it panics on a > > Milan CPU unless booted with 'nopcid'. Gmail mangles long lines, so > > please see the attached kernel log snippet. Debian 10 is fine, so I > > assume this is a guest bug. > > > > We had an issue with PCID feature earlier. This was showing only with SEV > guests. It is resolved recently. Do you think it is not related that? > Here are the patch set. > https://lore.kernel.org/kvm/160521930597.32054.4906933314022910996.stgit@bmoger-ubuntu/ The Debian 9 release we tested is not an SEV guest.