Received: by 2002:a05:6358:16cc:b0:ea:6187:17c9 with SMTP id r12csp7799347rwl; Tue, 10 Jan 2023 05:39:52 -0800 (PST) X-Google-Smtp-Source: AMrXdXvx8ZbpC9RShUkEeXtj4p8WbP2+O36FW84+NMqIdaMh4SzQjfz+13hF7a1j9T2cqaiFMlpG X-Received: by 2002:a05:6402:3706:b0:499:70a8:f919 with SMTP id ek6-20020a056402370600b0049970a8f919mr7728252edb.32.1673357991972; Tue, 10 Jan 2023 05:39:51 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1673357991; cv=none; d=google.com; s=arc-20160816; b=hfyMFxOqDsktvENr2lkshPpRa1+cRpvzzq5X47xpFJdZzTU5IDONwCMrqYqHX0fx0U ZRj7czTK4fOn2qLpT4EJVmh55n3cRPhm5vW5oNNPTGpsCHkgrfgXcp22J4kjc78vFN5J 0ybjNYAS4p2wAEYYSECvdroOifye/nIwiUjSm7jH9ZXUGSPa17osBSx+tv8IhO25n2aY xCfAsv+qnILIImMGTDmqYfc5tBz5nc6Pc32+Y4cEasZ2G9FkoqwfzXYhwbFudBywIvP3 xG7ivZxrrSZT4yWr0bcRIq6TcbDTGxVLL584rSyeKLGlkT8d+h/bLNP73BqBpalCkuJr yEow== 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:dkim-signature; bh=+qCA61EYXSSNxi5ZBZXCZg8LKYcT9qooS68AQpd9P0c=; b=Z3LXX71OGgRdE/wtV4Ld5FzFP1QNN8GIJYBbEMfzK37F4HxIvv3LFZW0gcraqxr/DM FENSXpLA/++P39QAFPFHd3CYcr674Z0+3fZx+G0R2EEDD3mSxFIN8DiuZYMUtOdNa4/z RxAE+d6rnBM4R4n5fdgSUBbzAMKmQzWMHrPCg7mAHMoFskv1S9UKgI6mbm5ApospYz2c 7/jkth0heUp2sX5yWCabCpdO5cJ13obi3B6Epb5e4srU57zxCkauV3hicpWorjZa09O8 ZfqUVGEt3DgZwfsM8nfWDlQTTOkz9T+mff6C/FxS8JWeVfexA6/MCstWerrGLYDrt6IA nW4Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=DVWsX0CA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id y12-20020a50e60c000000b0046cf2a9bb1csi1320467edm.209.2023.01.10.05.39.38; Tue, 10 Jan 2023 05:39:51 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=DVWsX0CA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238303AbjAJMrU (ORCPT + 53 others); Tue, 10 Jan 2023 07:47:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230468AbjAJMrB (ORCPT ); Tue, 10 Jan 2023 07:47:01 -0500 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0240550073 for ; Tue, 10 Jan 2023 04:47:00 -0800 (PST) Received: from zn.tnic (p5de8e9fe.dip0.t-ipconnect.de [93.232.233.254]) (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 7BD741EC04AD; Tue, 10 Jan 2023 13:46:59 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1673354819; 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=+qCA61EYXSSNxi5ZBZXCZg8LKYcT9qooS68AQpd9P0c=; b=DVWsX0CA1RZd+U1t5fLznD9n1QK+SjUCVQrybtSi8lpb3buFaMO3mlfrC1xQEhutxN6C/U BrPQ3kDIPBwJDBOpjrHF3cGy7Og5QzkU5/7rFyZOx/DPoFGZA+ORC0NG8lFiiJxLyLS6mz hMgEdwPF2/TSxWWl6G639k1jXANPFoY= Date: Tue, 10 Jan 2023 13:46:55 +0100 From: Borislav Petkov To: Ingo Molnar Cc: Zeng Heng , michael.roth@amd.com, hpa@zytor.com, tglx@linutronix.de, sathyanarayanan.kuppuswamy@linux.intel.com, kirill.shutemov@linux.intel.com, jroedel@suse.de, keescook@chromium.org, mingo@redhat.com, dave.hansen@linux.intel.com, linux-kernel@vger.kernel.org, x86@kernel.org, liwei391@huawei.com, Tony Luck Subject: Re: [PATCH -v2] x86/boot/compressed: Register dummy NMI handler in EFI boot loader, to avoid kdump crashes Message-ID: References: <20230110102745.2514694-1-zengheng4@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 10, 2023 at 01:34:35PM +0100, Ingo Molnar wrote: > So your suggestion was to exit MC context 'before' the panic() call - but > the patch calls it 'after' - was that intentional? Bah, you're right - it should be: mce_wrmsrl(MSR_IA32_MCG_STATUS, 0); panic(); -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette