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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 75ACCC433DB for ; Wed, 13 Jan 2021 10:00:21 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BABA9233ED for ; Wed, 13 Jan 2021 10:00:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BABA9233ED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B05698D002C; Wed, 13 Jan 2021 05:00:19 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id AB6FB8D0019; Wed, 13 Jan 2021 05:00:19 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9F3928D002C; Wed, 13 Jan 2021 05:00:19 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0050.hostedemail.com [216.40.44.50]) by kanga.kvack.org (Postfix) with ESMTP id 8AD5B8D0019 for ; Wed, 13 Jan 2021 05:00:19 -0500 (EST) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 5792DDDE7 for ; Wed, 13 Jan 2021 10:00:19 +0000 (UTC) X-FDA: 77700306558.08.name50_3a04e5e2751d Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin08.hostedemail.com (Postfix) with ESMTP id 2B1EC1819E793 for ; Wed, 13 Jan 2021 10:00:19 +0000 (UTC) X-HE-Tag: name50_3a04e5e2751d X-Filterd-Recvd-Size: 2471 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Wed, 13 Jan 2021 10:00:18 +0000 (UTC) Received: from zn.tnic (p200300ec2f0b5c00b2d62b1c55c494d5.dip0.t-ipconnect.de [IPv6:2003:ec:2f0b:5c00:b2d6:2b1c:55c4:94d5]) (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 5EB081EC0373; Wed, 13 Jan 2021 11:00:16 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1610532016; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bwXUgqm+T5Hm2apmjjzcl3Q/EJPSeMebtTylU7D0IPM=; b=S/AxnRkx4uD8Hpul/XNm2pKELEPL/XjKvGveGL9E3vtrrLbdwA5CT039hEQIp3oA1ZRC3k fBvXcAixZ7vIqoYufjd7oTdYPH0ZSiM8fDN4pouBzhxgkXfqR8K/yJ3MtGq1OlyCov7Mjh 0aR8aCpYVr9aw9K23eq0XvSkA4Yxgj4= Date: Wed, 13 Jan 2021 11:00:09 +0100 From: Borislav Petkov To: Andy Lutomirski Cc: "Luck, Tony" , Andy Lutomirski , X86 ML , Andrew Morton , Peter Zijlstra , Darren Hart , LKML , linux-edac , Linux-MM Subject: Re: [PATCH v2 1/3] x86/mce: Avoid infinite loop for copy from user recovery Message-ID: <20210113100009.GA16960@zn.tnic> References: <20210113015053.GA21587@agluck-desk2.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jan 12, 2021 at 08:15:46PM -0800, Andy Lutomirski wrote: > So I=E2=80=99m sort of at a loss as to what we can do. I think you guys have veered off into the weeds with this. The current solution - modulo error messages not destined for humans :) - is not soo bad, considering the whole MCA trainwreck. Or am I missing something completely unacceptable? --=20 Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette