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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 349F0C433E0 for ; Thu, 11 Mar 2021 20:08:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF30864F85 for ; Thu, 11 Mar 2021 20:08:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229490AbhCKUIK (ORCPT ); Thu, 11 Mar 2021 15:08:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229607AbhCKUID (ORCPT ); Thu, 11 Mar 2021 15:08:03 -0500 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64FD3C061574; Thu, 11 Mar 2021 12:08:03 -0800 (PST) Received: from zn.tnic (p200300ec2f0e1f00a86a11edd1796e13.dip0.t-ipconnect.de [IPv6:2003:ec:2f0e:1f00:a86a:11ed:d179:6e13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id AAED31EC041D; Thu, 11 Mar 2021 21:08:01 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1615493281; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=AifDkVdF51jEbfvVL8EjUaOPPRYRFLaZSTcxmg+SPUY=; b=W/mJwjLffB7L7gKNyQe+BW1fdg3bxsPR3sNAPyMyuihHtspjZJNSzyJLVXM6J9rQDPqXzu Gd9n5qYt8MQjCyG2jOOLcIUo2U3KDKnCEzLiVCa0XG4DsQDOV8q3pJKnyk3TWKrh6Gc7Vb mozqcnBvs/yfRVAAEphZAukjbNiiGIY= Date: Thu, 11 Mar 2021 21:07:55 +0100 From: Borislav Petkov To: Babu Moger Cc: Paolo Bonzini , Jim Mattson , Vitaly Kuznetsov , Wanpeng Li , kvm list , Joerg Roedel , the arch/x86 maintainers , LKML , Ingo Molnar , "H . Peter Anvin" , Thomas Gleixner , Makarand Sonare , Sean Christopherson Subject: Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support Message-ID: <20210311200755.GE5829@zn.tnic> References: <84f42bad-9fb0-8a76-7f9b-580898b634b9@amd.com> <032386c6-4b4c-2d3f-0f6a-3d6350363b3c@amd.com> <0ebda5c6-097e-20bb-d695-f444761fbb79@amd.com> <0d8f6573-f7f6-d355-966a-9086a00ef56c@amd.com> <1451b13e-c67f-8948-64ff-5c01cfb47ea7@redhat.com> <3929a987-5d09-6a0c-5131-ff6ffe2ae425@amd.com> <7a7428f4-26b3-f704-d00b-16bcf399fd1b@amd.com> <78cc2dc7-a2ee-35ac-dd47-8f3f8b62f261@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Wed, Mar 10, 2021 at 07:21:23PM -0600, Babu Moger wrote: > # git bisect good > 59094faf3f618b2d2b2a45acb916437d611cede6 is the first bad commit > commit 59094faf3f618b2d2b2a45acb916437d611cede6 > Author: Borislav Petkov > Date: Mon Dec 25 13:57:16 2017 +0100 > > x86/kaiser: Move feature detection up What is the reproducer? Boot latest 4.9 stable kernel in a SEV guest? Can you send guest .config? Upthread is talking about PCID, so I'm guessing host needs to be Zen3 with PCID. Anything else? Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette