From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946837Ab3BHSXO (ORCPT ); Fri, 8 Feb 2013 13:23:14 -0500 Received: from mga03.intel.com ([143.182.124.21]:46167 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946764Ab3BHSXN (ORCPT ); Fri, 8 Feb 2013 13:23:13 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,630,1355126400"; d="scan'208";a="254425014" Date: Fri, 8 Feb 2013 20:23:08 +0200 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: "H. Peter Anvin" Cc: linux-kernel@vger.kernel.org, x86@kernel.org, Thomas Gleixner , Ingo Molnar , Linus Torvalds , Jamie Lokier , Russell King Subject: Re: [PATCH] x86: Add support for 64bit get_user() on x86-32 Message-ID: <20130208182308.GI9135@intel.com> References: <1355312043-11467-1-git-send-email-ville.syrjala@linux.intel.com> <20130207165347.GF9135@intel.com> <5113EB64.2080002@zytor.com> <20130208162427.GG9135@intel.com> <5115361D.8060501@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <5115361D.8060501@zytor.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 08, 2013 at 09:30:05AM -0800, H. Peter Anvin wrote: > On 02/08/2013 08:24 AM, Ville Syrjälä wrote: > >> > >> How have you tested it? > > > > I've tried it with my drm/kms atomic pageflip/modeset code. I also had > > a small test module that did a couple of different sized get_user() > > calls, but I'll be damned if I can find it again. > > > > Did you see the warning spewage for pointers when you built it? Apparently my config was too small to genenerate enough of those to catch my eye. Most of those seem to come from drivers that have pointers in their ioctl structs, no? -- Ville Syrjälä Intel OTC