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 13:59:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 29 Jun 2001 13:58:57 -0400 Received: from [194.213.32.142] ([194.213.32.142]:7940 "EHLO bug.ucw.cz") by vger.kernel.org with ESMTP id ; Fri, 29 Jun 2001 13:58:23 -0400 Message-ID: <20010629005200.G525@bug.ucw.cz> Date: Fri, 29 Jun 2001 00:52:00 +0200 From: Pavel Machek To: Balbir Singh , Alan Cox Cc: linux-kernel@vger.kernel.org Subject: Re: Is it useful to support user level drivers In-Reply-To: <20010621124337.44506.qmail@web13605.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93i In-Reply-To: <20010621124337.44506.qmail@web13605.mail.yahoo.com>; from Balbir Singh on Thu, Jun 21, 2001 at 05:43:37AM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > The problem is that the IRQ has to be cleared in > > kernel space, because otherwise > > you may deadlock. > > > > I agree, the idea is to clear the IRQ in kernel space > and then deliver to user level programs interested ...*IF* you know how to clear it. THat differs device-to-device. Pavel -- 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