Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 11 Jul 2001 20:55:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 11 Jul 2001 20:55:27 -0400 Received: from web14402.mail.yahoo.com ([216.136.174.59]:33553 "HELO web14402.mail.yahoo.com") by vger.kernel.org with SMTP id ; Wed, 11 Jul 2001 20:55:22 -0400 Message-ID: <20010712005520.20851.qmail@web14402.mail.yahoo.com> Date: Wed, 11 Jul 2001 17:55:20 -0700 (PDT) From: Rajeev Bector Subject: Re: new IPC mechanism ideas To: "H. Peter Anvin" Cc: linux-kernel@vger.kernel.org, hpa@zytor.com In-Reply-To: <3B4CF429.D0B3B473@transmeta.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org If your driver is in the kernel, then you dont need that. All processes use system-calls (or ioctls) to send messages and when they do recv(), they get a pointer to a location (where they are mapped to via mmap) and they can read directly. In this scheme, you dont need any traditional UNIX IPC mechanism to work. Thanks, Rajeev --- "H. Peter Anvin" wrote: > Rajeev Bector wrote: > > > > Thanks for your comment, Peter. > > The problem with using a "driver" > > process is that now you need > > another mechanism to communicate > > with that driver - either > > message queues or shared > > memory or something. > > > > You need that anyway. > > -hpa __________________________________________________ Do You Yahoo!? Get personalized email addresses from Yahoo! Mail http://personal.mail.yahoo.com/ - 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/