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 8EB9BC433E0 for ; Mon, 22 Feb 2021 09:24:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A7E2601FE for ; Mon, 22 Feb 2021 09:24:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230125AbhBVJYs (ORCPT ); Mon, 22 Feb 2021 04:24:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229915AbhBVJYr (ORCPT ); Mon, 22 Feb 2021 04:24:47 -0500 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9FE5EC061574; Mon, 22 Feb 2021 01:24:06 -0800 (PST) Received: from zn.tnic (p200300ec2f040200a034b7f44a0c99a8.dip0.t-ipconnect.de [IPv6:2003:ec:2f04:200:a034:b7f4:4a0c:99a8]) (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 6D11F1EC025A; Mon, 22 Feb 2021 10:24:04 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1613985844; 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=kPzv+4BLBRuKuhBJEdIH/HePcme0g8FNkpnOb1T+LNM=; b=JcRAIR15gSS+1EnjWjbeyu1yGqwQoXfao3U6a/CCrHoH5237m89Js63VHINWkgWvMhkdIP bzhOKsBXdl7lgU1xiQA6IcC9+A1RcZmkPTtuB3Q8OT+5Z9dtXMReidUXFvmiUaQrSJd8cu jlEPuKV9xi9nJB4bSAECvJtNEGpysOg= Date: Mon, 22 Feb 2021 10:24:03 +0100 From: Borislav Petkov To: Aili Yao Cc: tony.luck@intel.com, mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com, x86@kernel.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, yangfeng1@kingsoft.com Subject: Re: [PATCH v2] x86/mce: fix wrong no-return-ip logic in do_machine_check() Message-ID: <20210222092403.GA29063@zn.tnic> References: <20210222113124.35f2d552@alex-virtual-machine> <20210222115007.75b7de9b@alex-virtual-machine> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210222115007.75b7de9b@alex-virtual-machine> Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org On Mon, Feb 22, 2021 at 11:50:07AM +0800, Aili Yao wrote: > From commit b2f9d678e28c ("x86/mce: Check for faults tagged in > EXTABLE_CLASS_FAULT exception table entries"), When there is a > memory MCE_AR_SEVERITY error with no return ip, What is a "no return ip" - MCG_STATUS_RIPV? How do you trigger this error? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette