Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp6204901ybv; Tue, 18 Feb 2020 12:00:45 -0800 (PST) X-Google-Smtp-Source: APXvYqw1nxhGMZlYaTA/aZK/4GR3ETz0/TG91uOW5D9TLEgog0haA+uob4257mJM3UTBRBYfybwe X-Received: by 2002:a9d:53cb:: with SMTP id i11mr17478284oth.158.1582056045401; Tue, 18 Feb 2020 12:00:45 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582056045; cv=none; d=google.com; s=arc-20160816; b=zoCV9f69/eciNzX7PQIQdGbxSi0kqBZ7Lz4sFbUR/SttB06vpXQ34JkWSayd4Tq/cw 9LMaAXsRDl8t4Kcj+Ef8Yo5xb6cOuPcPG4xRVR7o9bgjdBwVCLFPnKtVas9Lsv66dPYB hccaZtqpIPzpulkxldsYRNobQ4V+MLYZAkmUlt2E1C6FsXnuqmfHceWNkkAijPa4xujh /2biMacdWMjTmfx1lkqumEE9PM6HzRiJh/vecaaWaoxb7JPyZtmBYH12Y53ZgYmOMAfc bycWafbJhrvIpjoE//SROecK1XPX8z/6jGt07Gz48vY75ilAKx+vehDCCYtNNawrEbxl XE8Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=M7FeIuaaEw2kt/luaqzhrd/OTft0vjwkL2w9pvYIVaA=; b=mJxCkNFBkpP0wJNQO/qlJSegvu/HzuEtnEJDHf+AguVbnigVDRKcPs+xb+IH4m4gUo lzNxXxrN4CE3ewuRwouaCMPDgvclx4JRStMHFkaNMjlsb7mThDlIk9N8I6SO6LeyjnuO atfefa/gAtaFXGyMZAylpsarbqBvkoNP08syRTfAFBVIBiWFpkx2D88fcS6u6Svzmhhj KpBsrHnq6iizdgMKqIZII33raT6CDahpA5LWct9fP2BECfNKztNAuptp6L4atbB+LBNQ jegVjz8qmoZvI60K0Dy9Wy18m/fntgpg2hKbl2LJ61zy+v/+rIXAxxhXO4RP+dDlY7cC ko/g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=gAaJMjvE; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 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 vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g2si2445259otn.117.2020.02.18.12.00.33; Tue, 18 Feb 2020 12:00:45 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=gAaJMjvE; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 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 S1728536AbgBRUAP (ORCPT + 99 others); Tue, 18 Feb 2020 15:00:15 -0500 Received: from mail.skyhub.de ([5.9.137.197]:55012 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728522AbgBRUAM (ORCPT ); Tue, 18 Feb 2020 15:00:12 -0500 Received: from zn.tnic (p200300EC2F0C1F00DCB96C3517B36067.dip0.t-ipconnect.de [IPv6:2003:ec:2f0c:1f00:dcb9:6c35:17b3:6067]) (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 4BC741EC0CF3; Tue, 18 Feb 2020 21:00:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1582056011; 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=M7FeIuaaEw2kt/luaqzhrd/OTft0vjwkL2w9pvYIVaA=; b=gAaJMjvEDuDgQZOY7IvD7Bf1WdJ86K66jxhCfQ/JdAHX5bBSXHFTGeHeB8ESBABfGA2Ki8 75StIVi7iL0kjYwZvURvM2oMkKnq2ucHLqPcBam5CEk/14o+i+/83J/fvjhO3ctnBcD1y/ QLUCfHTsP19UnTygXBBmNrw9/8ulOPI= Date: Tue, 18 Feb 2020 21:00:11 +0100 From: Borislav Petkov To: "Luck, Tony" Cc: Peter Zijlstra , Steven Rostedt , Andy Lutomirski , x86-ml , lkml Subject: Re: [RFC] #MC mess Message-ID: <20200218200011.GP14449@zn.tnic> References: <20200218173150.GK14449@zn.tnic> <3908561D78D1C84285E8C5FCA982C28F7F57B937@ORSMSX115.amr.corp.intel.com> <20200218195130.GO14449@zn.tnic> <3908561D78D1C84285E8C5FCA982C28F7F57BD54@ORSMSX115.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <3908561D78D1C84285E8C5FCA982C28F7F57BD54@ORSMSX115.amr.corp.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 18, 2020 at 07:54:54PM +0000, Luck, Tony wrote: > Recoverable machine checks are a normal (hopefully rare) event on a server. But you wouldn't > want to lose tracing capability just because we took a page offline and killed a process to recover. Yeah, ok. How do you want to select which ones? What mce_no_way_out() says or severity or...? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette