From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: INPUT_COMPAT_TEST Date: Wed, 7 Sep 2011 11:54:16 -0700 Message-ID: <20110907185416.GC2874@core.coreip.homeip.net> References: <20110708204630.GA28623@core.coreip.homeip.net> <4E178320.7050401@zytor.com> <20110708223709.GB28623@core.coreip.homeip.net> <4E179033.9050806@zytor.com> <20110709003508.GC28623@core.coreip.homeip.net> <4E180BA5.4080808@zytor.com> <20110907181641.GA5678@core.coreip.homeip.net> <4E67B652.5010406@zytor.com> <20110907183745.GB2874@core.coreip.homeip.net> <4E67BAAE.9060605@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-yi0-f46.google.com ([209.85.218.46]:61859 "EHLO mail-yi0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756659Ab1IGSyW (ORCPT ); Wed, 7 Sep 2011 14:54:22 -0400 Received: by yie30 with SMTP id 30so5201227yie.19 for ; Wed, 07 Sep 2011 11:54:21 -0700 (PDT) Content-Disposition: inline In-Reply-To: <4E67BAAE.9060605@zytor.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: "H. Peter Anvin" Cc: Philip Langdale , linux-input@vger.kernel.org, "H.J. Lu" On Wed, Sep 07, 2011 at 11:40:46AM -0700, H. Peter Anvin wrote: > On 09/07/2011 11:37 AM, Dmitry Torokhov wrote: > >> > >>I thought there were pointers, (or longs) there too. > >> > >>In fact, we might have had the worst of both worlds here... > > > >The pointers are in ioctl paths (upload of force-feedback effects with > >custom waveforms - noone actually uses them in real life). > > > > Ah... we might have lucked out then! > > The proc/sysfs issue is still HUGE, however, because that affects > all the read/write paths *indirectly*. > Yeah, we are stuck with these unfortunately... Unless we want to say that x32 applications will be presented with bitmaps encoded with 64-bit segments instead of 32-bit ones. This would mostly matter to startup scripts... X and the others use ioctls, not proc/sysfs. -- Dmitry