From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 21 Jun 2001 19:52:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 21 Jun 2001 19:52:06 -0400 Received: from ip-64-63-65-105.reverse.mobilenetics.com ([64.63.65.105]:56045 "HELO homa.asicdesigners.com") by vger.kernel.org with SMTP id ; Thu, 21 Jun 2001 19:51:56 -0400 Date: Thu, 21 Jun 2001 16:50:15 -0700 From: Mike Mackovitch To: "David S. Miller" Cc: Mike Mackovitch , Pete Zaitcev , root@chaos.analogic.com, linux-kernel@vger.kernel.org Subject: Re: Is it useful to support user level drivers Message-ID: <20010621165015.A11197@wacko.asicdesigners.com> In-Reply-To: <200106212206.f5LM6dK12282@devserv.devel.redhat.com> <15154.29468.215080.602628@pizda.ninka.net> <20010621160949.A10977@wacko.asicdesigners.com> <15154.33208.744328.463419@pizda.ninka.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.15i In-Reply-To: <15154.33208.744328.463419@pizda.ninka.net>; from davem@redhat.com on Thu, Jun 21, 2001 at 04:22:32PM -0700 X-OriginalArrivalTime: 21 Jun 2001 23:51:28.0390 (UTC) FILETIME=[16B94260:01C0FAAD] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 21, 2001 at 04:22:32PM -0700, David S. Miller wrote: > > Mike Mackovitch writes: > > Sorry, but SGI's IRIX does NOT handle graphics interrupts in user space. > > What the heck is ULI then? I've actually read the assembly code for > this back when I did my SGI internship. If my memory serves me correctly, I believe ULI was some hacked up "user-level interrupt" feature. I have no idea who (if anyone) used it, but it definitely wasn't used by SGI's graphics drivers. --macko