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=1.3 required=3.0 tests=DKIM_SIGNED,FSL_HELO_FAKE, MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID,URIBL_BLOCKED,USER_AGENT_MUTT 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 CD3D3C6778A for ; Tue, 3 Jul 2018 08:30:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 25A0C24658 for ; Tue, 3 Jul 2018 08:30:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EqMcSEYH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 25A0C24658 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933596AbeGCIau (ORCPT ); Tue, 3 Jul 2018 04:30:50 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:36640 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932169AbeGCIao (ORCPT ); Tue, 3 Jul 2018 04:30:44 -0400 Received: by mail-wm0-f65.google.com with SMTP id s14-v6so1304588wmc.1; Tue, 03 Jul 2018 01:30:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=U58CqrJwDfqEUqLyIEoQYFtpNT9vhJIqcTkegBF36hE=; b=EqMcSEYHva8e3zKR9OLDVAiirn9CXE+7wKqiJZz5yji1xjnLlrhKkA9drKiWQEbVLX HqcL0S/5PX6p7xt8w413Qj/88caUJgR5xFP6k+qLORJ6ycHHt5fEhahWggnnAm3vO//X FAiIupZ23lLhp/T0q6PR34OZnKZNucbnW2ml0P2QBEkpSIX9F0Mb2K/J0I89rNI7633F ARYc7ATYndMu0ohm5pciWOqFLVmGa9g0SZTrD2Q4q3FfffL1h5yHEZkAb/l1lt6e3r8n D+ku4kvaETv9+r+RzTltsNwEEQtUnKCavk/p/5z9IHODlEe7TksOxknb/182ZEofuLcP GdKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=U58CqrJwDfqEUqLyIEoQYFtpNT9vhJIqcTkegBF36hE=; b=JGEYO8UWwDXEdFkv17QJvvi+/O41PZrmMpz4X8JZ9KQt8F2d5K9mf+ufmCbac6059p 1lW9Xs8KDZ7pjpXweqvhuqp7jixcNezFCyYBkCLinofzRjz/EKYDI28oJcmDOyfiz631 HMdIgN58rdav6wXf2AsGlJwkA2mdekT6bC33D1DJSTYXDzH2IA7Di+ovJtiqfoYeXhxL NdImMU14mFwwKltMh5CjettaTTr+9BZiGfFikNd0gXdIh4qRLrGJhRI5IAF3lqh0r7O7 WNPqWfVTHMdYBJ9Nlmvs1HeIEKYJfcxOH3g15dFNnl8WhXZ3YGOZEBV8SbeDzOps1Bsy 2JGw== X-Gm-Message-State: APt69E37ReP7plyRR1o4E/jNec1poDceUqoK83xV1GJYTnR+S3w8e4Ay tGUtVxlE8q8wEs5Knoa6tG0= X-Google-Smtp-Source: AAOMgpci8BHkKTlOt3BkbMXrTFDn71zyAsKksLPFam7QBKfb8keywFBkt138QXTV31exIdLRKAoqDQ== X-Received: by 2002:a1c:7908:: with SMTP id l8-v6mr7136193wme.80.1530606643667; Tue, 03 Jul 2018 01:30:43 -0700 (PDT) Received: from gmail.com (2E8B0CD5.catv.pool.telekom.hu. [46.139.12.213]) by smtp.gmail.com with ESMTPSA id t9-v6sm693788wmh.41.2018.07.03.01.30.42 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 03 Jul 2018 01:30:43 -0700 (PDT) Date: Tue, 3 Jul 2018 10:30:40 +0200 From: Ingo Molnar To: Dan Williams , Al Viro Cc: Al Viro , Andrew Morton , Andy Lutomirski , Borislav Petkov , Linus Torvalds , Peter Zijlstra , Thomas Gleixner , Tony Luck , Ross Zwisler , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH] x86/asm/memcpy_mcsafe: Fix copy_to_user_mcsafe() exception handling Message-ID: <20180703083040.GB971@gmail.com> References: <20180702165803.GB19488@linux.intel.com> <153056565378.3420.295180898468362039.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <153056565378.3420.295180898468362039.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Dan Williams wrote: > Hi Ingo, > > Here is an additional copy_to_iter_mcsafe() fix to address the crash > reported by Ross. This now passes xfstests:generic/323 on my system. The lib/iov_iter fix would need an Acked-by from Al. Thanks, Ingo