Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030622AbWAHJmG (ORCPT ); Sun, 8 Jan 2006 04:42:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030599AbWAHJmG (ORCPT ); Sun, 8 Jan 2006 04:42:06 -0500 Received: from gate.perex.cz ([85.132.177.35]:40653 "EHLO gate.perex.cz") by vger.kernel.org with ESMTP id S1030582AbWAHJmE (ORCPT ); Sun, 8 Jan 2006 04:42:04 -0500 Date: Sun, 8 Jan 2006 10:42:02 +0100 (CET) From: Jaroslav Kysela X-X-Sender: perex@tm8103.perex-int.cz To: Olivier Galibert Cc: Takashi Iwai , ALSA development , linux-sound@vger.kernel.org, LKML Subject: Re: [OT] ALSA userspace API complexity In-Reply-To: <20060108020335.GA26114@dspnet.fr.eu.org> Message-ID: References: <20060104030034.6b780485.zaitcev@redhat.com> <20060108020335.GA26114@dspnet.fr.eu.org> 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 Content-Length: 1057 Lines: 30 On Sun, 8 Jan 2006, Olivier Galibert wrote: > On Sat, Jan 07, 2006 at 03:32:27PM +0100, Takashi Iwai wrote: > > Yes, it's a known problem to be fixed. But, it's no excuse to do > > _everything_ in the kernel (which OSS requires). > > OSS does not require to do anything in the kernel except an entry > point. > > > > And if the application doesn't support, who and where converts it? > > With OSS API, it's a job of the kernel. > > Once again no. Nothing prevents the kernel to forward the data to > userland daemons depending on a userspace-uploaded configuration. But it's quite ineffecient. The kernel must switch tasks at least twice or more. It's the major problem with the current OSS API. Jaroslav ----- Jaroslav Kysela Linux Kernel Sound Maintainer ALSA Project, SUSE Labs - 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/