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=-3.9 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 B1D3EC433DF for ; Mon, 17 Aug 2020 09:39:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 877A9207DF for ; Mon, 17 Aug 2020 09:39:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="iReEib+x" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727830AbgHQJjR (ORCPT ); Mon, 17 Aug 2020 05:39:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727790AbgHQJjQ (ORCPT ); Mon, 17 Aug 2020 05:39:16 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE960C061389; Mon, 17 Aug 2020 02:39:14 -0700 (PDT) Received: from zn.tnic (p200300ec2f26be0071e1cf3fa1f5ba15.dip0.t-ipconnect.de [IPv6:2003:ec:2f26:be00:71e1:cf3f:a1f5:ba15]) (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 EAF351EC026E; Mon, 17 Aug 2020 11:39:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1597657153; 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=kerY6UuNjXm1hwTwGO5SuB4V2uIj2IdiaMTag7jys8g=; b=iReEib+xDNEQKjK0ewRzbuhGXnQanqOQnzkd0tfZoAkZUZvDQkjM55JR8YterhkDT7RJ3l vbORbauwl3AFlhkA1i+aOl5NSkju5kXG1kwEvIx2N39Bh+iIj6C3GgjYC9d+1FlkO97Ncn 1Y89ZkVLvqy2kP81d49OmQdS4inDvpQ= Date: Mon, 17 Aug 2020 11:40:07 +0200 From: Borislav Petkov To: Yazen Ghannam Cc: linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, tony.luck@intel.com, x86@kernel.org Subject: Re: [PATCH] x86/MCE/AMD, EDAC/mce_amd: Remove struct smca_hwid.xec_bitmap Message-ID: <20200817093956.GC549@zn.tnic> References: <20200720145353.43924-1-Yazen.Ghannam@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200720145353.43924-1-Yazen.Ghannam@amd.com> Sender: linux-edac-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org On Mon, Jul 20, 2020 at 02:53:53PM +0000, Yazen Ghannam wrote: > From: Yazen Ghannam > > The Extended Error Code Bitmap (xec_bitmap) for a Scalable MCA bank type > was intended to be used by the kernel to filter out invalid error codes > on a system. However, this is unnecessary because the hardware will only > report valid error codes. That's a kinda bold statement. :) Are you saying, you wanna trust verification and that check is totally useless? Or is there another reason for removing it? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette