Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp659557pxf; Thu, 18 Mar 2021 08:50:02 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxagGhe+wiyQfUOmv4m8/jxDbyBJbsnWpRqwb2YgvNDElPS5nfQyOgOiVUM6dxGm2aHk0h4 X-Received: by 2002:a17:906:2312:: with SMTP id l18mr42620038eja.468.1616082602188; Thu, 18 Mar 2021 08:50:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616082602; cv=none; d=google.com; s=arc-20160816; b=IgDP9jr2O5CJDoMDS+3bXnCjasyVbwCak4FlpCr7ONcGgZUyPOZNxLttWNcjaOjYMo S9qFcLaxsRMZQ4E8N5o9ZgknmR52UBX31f73ASUfI/hehzvRviXts0uww9tVLu9LL2az krQd0bSn8kJ2o2WDVvEXH/Y5RLV36sPCp4RBSgF+8jBnErjCgpFsY0G8mGEIntGkuQoP zsNCTg5lTFM/gZr5q9pHQRxMt0iqryugo6yAO3BxC8lEyucUjuNM5FUVihg3yPqK/vM0 bgLDFLhMTnGdW7UTQWJ9JPSNe36jSJOP+lU7SI1S6960xwWmYo1VlJtwWH3NMGx9XJoy MM6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=gL+/Oa0ynGz640VXeWI31ybO5v/vOVoUpoHA7V/exmE=; b=yZtEP96Y2wN9mREWfn1gCp7U8+u25AwWW1h3PRjUuuHklb2TroY/wp0rGQdCByC4J6 e25F5dYxfdfxCX7tsEBRWCGha9Z7aiUo84kTrUu4Eib6lVucumXy35Q5NzDXvrXGoLmK nKklNwwEtRHOdPFHuSpPZC6VvTGUUT0fUWp7RcKeesG8oqz8y/jlsXweaFG1y5ZFRV4I KZXQXAtl9a8B3S2vRNxaGsZEQx7F2vEUsT6yOlhE3Kj6dcZ9p2Oa+cbWEuDqju9dMfK6 eGS31QtWdpqhZ6Q4zrxMP0zvHROMApIrdPh5T6zMITlHTUh5OQeDerg2FNYioGMdlF7F D53g== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id g25si1709890ejf.697.2021.03.18.08.49.38; Thu, 18 Mar 2021 08:50:02 -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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231640AbhCRPr5 (ORCPT + 99 others); Thu, 18 Mar 2021 11:47:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43262 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230040AbhCRPrn (ORCPT ); Thu, 18 Mar 2021 11:47:43 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80E3EC06174A; Thu, 18 Mar 2021 08:47:43 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id EFD062DA; Thu, 18 Mar 2021 16:47:41 +0100 (CET) Date: Thu, 18 Mar 2021 16:47:40 +0100 From: Joerg Roedel To: Maxim Levitsky Cc: kvm@vger.kernel.org, Vitaly Kuznetsov , linux-kernel@vger.kernel.org, Thomas Gleixner , Wanpeng Li , Kieran Bingham , Jessica Yu , Jan Kiszka , Andrew Morton , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , Sean Christopherson , Jim Mattson , Borislav Petkov , Stefano Garzarella , "H. Peter Anvin" , Paolo Bonzini , Ingo Molnar , Borislav Petkov Subject: Re: [PATCH 3/3] KVM: SVM: allow to intercept all exceptions for debug Message-ID: References: <20210315221020.661693-1-mlevitsk@redhat.com> <20210315221020.661693-4-mlevitsk@redhat.com> <4116d6ce75a85faccfe7a2b3967528f0561974ae.camel@redhat.com> <8ba6676471dc8c8219e35d6a1695febaea20bb0b.camel@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8ba6676471dc8c8219e35d6a1695febaea20bb0b.camel@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 18, 2021 at 11:24:25AM +0200, Maxim Levitsky wrote: > But again this is a debug feature, and it is intended to allow the user > to shoot himself in the foot. And one can't debug SEV-ES guests with it, so what is the point of enabling it for them too? Regards, Joerg