Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932401AbWLNLbS (ORCPT ); Thu, 14 Dec 2006 06:31:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932622AbWLNLbS (ORCPT ); Thu, 14 Dec 2006 06:31:18 -0500 Received: from [81.2.110.250] ([81.2.110.250]:43753 "EHLO lxorguk.ukuu.org.uk" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S932401AbWLNLbR (ORCPT ); Thu, 14 Dec 2006 06:31:17 -0500 Date: Thu, 14 Dec 2006 11:39:33 +0000 From: Alan To: tglx@linutronix.de Cc: Greg KH , linux-kernel@vger.kernel.org Subject: Re: Userspace I/O driver core Message-ID: <20061214113933.07140f0a@localhost.localdomain> In-Reply-To: <1166095336.29505.97.camel@localhost.localdomain> References: <20061214010608.GA13229@kroah.com> <20061214105235.46c080ae@localhost.localdomain> <1166095336.29505.97.camel@localhost.localdomain> X-Mailer: Sylpheed-Claws 2.6.0 (GTK+ 2.8.20; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 644 Lines: 18 On Thu, 14 Dec 2006 12:22:16 +0100 Thomas Gleixner wrote: > On Thu, 2006-12-14 at 10:52 +0000, Alan wrote: > > Might be kind of hairy given uio_read() doesn't even return from the > > kernel. > > We probably talk about different code here, right ? The one, I'm looking > at returns on each interrupt event. The patch Greg posted up has no return inside the while loop. Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/