From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756141AbZFYAU2 (ORCPT ); Wed, 24 Jun 2009 20:20:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752457AbZFYAUU (ORCPT ); Wed, 24 Jun 2009 20:20:20 -0400 Received: from fifo99.com ([67.223.236.141]:59072 "EHLO fifo99.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752138AbZFYAUT (ORCPT ); Wed, 24 Jun 2009 20:20:19 -0400 Subject: Re: [PATCH 1/6] staging: android: binder: Remove some funny && usage From: Daniel Walker To: Linus Walleij Cc: Brian Swetland , Arve =?ISO-8859-1?Q?Hj=F8nnev=E5g?= , Jeremy Fitzhardinge , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, hackbod@android.com, Marcel Holtmann In-Reply-To: <63386a3d0906241701o720fa667t662b9e3d4f080397@mail.gmail.com> References: <1244832678-30329-1-git-send-email-dwalker@fifo99.com> <1245254936.5982.261.camel@desktop> <4A391A54.7000109@goop.org> <1245274308.5982.268.camel@desktop> <1245451983.32124.25.camel@desktop> <1245849223.32124.112.camel@desktop> <63386a3d0906241701o720fa667t662b9e3d4f080397@mail.gmail.com> Content-Type: text/plain Date: Wed, 24 Jun 2009 17:20:19 -0700 Message-Id: <1245889219.32124.280.camel@desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2009-06-25 at 02:01 +0200, Linus Walleij wrote: > What I really want to know, is how this relates to the vmsplice() and > other zero-copy buffer passing schemes already in the kernel. I was > sort of dreaming that D-Bus and other IPC could be accelerated on > top of that. Marcel had mentioned earlier in this thread that D-Bus could be accelerated with shared memory or moving the dbus-daemon into the kernel. splice() and vmplice() seem like fairly robust system calls. I would think they could be used also .. Daniel