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 88E19C433DB for ; Wed, 13 Jan 2021 10:01:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 32FD5233E2 for ; Wed, 13 Jan 2021 10:01:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727003AbhAMKBA (ORCPT ); Wed, 13 Jan 2021 05:01:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726381AbhAMKA7 (ORCPT ); Wed, 13 Jan 2021 05:00:59 -0500 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F00B7C061575; Wed, 13 Jan 2021 02:00:18 -0800 (PST) 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 Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 12, 2021 at 08:15:46PM -0800, Andy Lutomirski wrote: > So I’m 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? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette