Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97CD2C433EF for ; Mon, 8 Nov 2021 10:31:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7963161352 for ; Mon, 8 Nov 2021 10:31:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238172AbhKHKee (ORCPT ); Mon, 8 Nov 2021 05:34:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236895AbhKHKe3 (ORCPT ); Mon, 8 Nov 2021 05:34:29 -0500 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B32D3C061570; Mon, 8 Nov 2021 02:31:45 -0800 (PST) Received: from zn.tnic (p200300ec2f33110088892b77bd117736.dip0.t-ipconnect.de [IPv6:2003:ec:2f33:1100:8889:2b77:bd11:7736]) (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 554BF1EC0104; Mon, 8 Nov 2021 11:31:44 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1636367504; 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=Fa1Piwlh5b1P8ydsjVHKQ6Epl5PmVZb3iEFXBDswZlM=; b=PV/p+KxNTeGXRtYzcA8EjOR6ec3jA3ghHT9EJF2epwS6PLNFxaR/DRpo/jJGCT5hWjW4MB s4VZZAPgcmyXjU/fk74wr8V74eRl+C42/Z8lYYd2bGaVBU3iWfurpG/0oZ+zCOBwHV8QBW a4IwKrs+pfAqsD2Kn6BFFHeu3kBCxeI= Date: Mon, 8 Nov 2021 11:31:38 +0100 From: Borislav Petkov To: Zhaolong Zhang Cc: Tony Luck , x86@kernel.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, "Paul E . McKenney" Subject: Re: [PATCH] x86/mce: drop cpu_missing since we have more capable mce_missing_cpus Message-ID: References: <572d793c.f2e.17cede4cbf0.Coremail.zhangzl2013@126.com> <20211108082832.142436-1-zhangzl2013@126.com> <4d526023.3cde.17cff097bab.Coremail.zhangzl2013@126.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4d526023.3cde.17cff097bab.Coremail.zhangzl2013@126.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 08, 2021 at 06:13:04PM +0800, Zhaolong Zhang wrote: > I was concerning that if I simply remove the cpu_missing code, we will lose the log in the > situation where mca_cfg.tolerant > 1 and no_way_out is set afterwards. > > Do you think we can safely ignore that situation? Well, how likely is to have such a situation in practice? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette