From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 29 Jun 2001 13:57:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 29 Jun 2001 13:57:35 -0400 Received: from [194.213.32.142] ([194.213.32.142]:6404 "EHLO bug.ucw.cz") by vger.kernel.org with ESMTP id ; Fri, 29 Jun 2001 13:57:23 -0400 Message-ID: <20010629005116.F525@bug.ucw.cz> Date: Fri, 29 Jun 2001 00:51:16 +0200 From: Pavel Machek To: Balbir Singh , linux-kernel@vger.kernel.org Subject: Re: Is it useful to support user level drivers In-Reply-To: <20010621104132.91801.qmail@web13609.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93i In-Reply-To: <20010621104132.91801.qmail@web13609.mail.yahoo.com>; from Balbir Singh on Thu, Jun 21, 2001 at 03:41:32AM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > I realize that the Linux kernel supports user > level drivers (via ioperm, etc). However interrupts > at user level are not supported, does anyone think > it would be a good idea to add user level interrupt > support ? I have a framework for it, but it still > needs > a lot of work. > > Depending on the response I get, I can send out > more email. Please cc me to the replies as I am no > longer a part of the Linux kernel mailing list - due > to the humble size of my mail box. I'd like to see that done for userspace ltmodem driver... Unfortunately it can not be easily done for shared PCI interrupts. Pavel PS: Next needed thing is to make it possible for usermode driver to "mimic" kernel one, including ioctls. -- I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care." Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org