From mboxrd@z Thu Jan 1 00:00:00 1970 From: linas@austin.ibm.com (Linas Vepstas) Subject: Re: [PATCHSET] libata: PATA driver for Celleb Date: Thu, 15 Feb 2007 13:11:40 -0600 Message-ID: <20070215191140.GX923@austin.ibm.com> References: <200701260724.l0Q7OISY027645@toshiba.co.jp> <200702151141.49708.jens@de.ibm.com> <20070215171414.GU923@austin.ibm.com> <200702151909.26082.arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from e4.ny.us.ibm.com ([32.97.182.144]:50167 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030696AbXBOTLp (ORCPT ); Thu, 15 Feb 2007 14:11:45 -0500 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e4.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id l1FJBhG3027378 for ; Thu, 15 Feb 2007 14:11:43 -0500 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v8.2) with ESMTP id l1FJBg15211642 for ; Thu, 15 Feb 2007 14:11:42 -0500 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l1FJBfNP014375 for ; Thu, 15 Feb 2007 14:11:42 -0500 Content-Disposition: inline In-Reply-To: <200702151909.26082.arnd@arndb.de> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Arnd Bergmann Cc: Jens Osterkamp , linuxppc-dev@ozlabs.org, Benjamin Herrenschmidt , Jeff Garzik , linux-ide@vger.kernel.org, paulus@samba.org, Andrew Morton , alan@lxorguk.ukuu.org.uk, James K Lewis On Thu, Feb 15, 2007 at 07:09:25PM +0100, Arnd Bergmann wrote: > On Thursday 15 February 2007 18:14, Linas Vepstas wrote: > > > Linas has done a pretty good job on improving the driver in the last half > > > year or so and he also has access to all the necessary hardware so I think > > > he would be the right person for the job. > > > > It seems I've been nominated twice. Since I'm expecting future activity > > to drop to zero, how hard can this be? :-) > > I fear that the hardest part is yet to come, Well, then, its a good thing I put a smiley face at the end of the sentence, eh? > when we integrate the > driver for the the PS3 (currently called gelic_net) into spidernet. > The trouble is that the hardware is sufficiently similar to share > all the high-level mechanisms like the DMA data structures and > descriptor chains, but the low-level mechanisms are hidden in the > hypervisor on the PS3. Someone will have to invest a significant > amount of time coordinating this so we don't break celleb and qs20 > in the process. Since I've got the driver more or less memorized, I don't expect this to be an intellectual challenge. Which sometimes has the side effect of my getting bored, and dropping things on the floor. > I also think that you'd do a good job doing this, but it may be > more that what you are willing to do without official funding of the > time you spend on it. (Ardnt knows that my spidernet work is "moonlighting", off-the-books work.) I'll ask my employer. > Of course the actual amount of work will > depend a lot on the quality of the spidernet patches coming from > Sony to the spidernet maintainer. I guess I'll have to ask my employer for a ps3 that I can do some "research" on. --linas From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e5.ny.us.ibm.com (e5.ny.us.ibm.com [32.97.182.145]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e5.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id A3B41DDDF8 for ; Fri, 16 Feb 2007 06:11:58 +1100 (EST) Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e5.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id l1FJBqLC020354 for ; Thu, 15 Feb 2007 14:11:52 -0500 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v8.2) with ESMTP id l1FJBgK4211638 for ; Thu, 15 Feb 2007 14:11:42 -0500 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l1FJBfNL014375 for ; Thu, 15 Feb 2007 14:11:42 -0500 Date: Thu, 15 Feb 2007 13:11:40 -0600 To: Arnd Bergmann Subject: Re: [PATCHSET] libata: PATA driver for Celleb Message-ID: <20070215191140.GX923@austin.ibm.com> References: <200701260724.l0Q7OISY027645@toshiba.co.jp> <200702151141.49708.jens@de.ibm.com> <20070215171414.GU923@austin.ibm.com> <200702151909.26082.arnd@arndb.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <200702151909.26082.arnd@arndb.de> From: linas@austin.ibm.com (Linas Vepstas) Cc: Jeff Garzik , linuxppc-dev@ozlabs.org, linux-ide@vger.kernel.org, paulus@samba.org, Andrew Morton , James K Lewis , alan@lxorguk.ukuu.org.uk List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Feb 15, 2007 at 07:09:25PM +0100, Arnd Bergmann wrote: > On Thursday 15 February 2007 18:14, Linas Vepstas wrote: > > > Linas has done a pretty good job on improving the driver in the last half > > > year or so and he also has access to all the necessary hardware so I think > > > he would be the right person for the job. > > > > It seems I've been nominated twice. Since I'm expecting future activity > > to drop to zero, how hard can this be? :-) > > I fear that the hardest part is yet to come, Well, then, its a good thing I put a smiley face at the end of the sentence, eh? > when we integrate the > driver for the the PS3 (currently called gelic_net) into spidernet. > The trouble is that the hardware is sufficiently similar to share > all the high-level mechanisms like the DMA data structures and > descriptor chains, but the low-level mechanisms are hidden in the > hypervisor on the PS3. Someone will have to invest a significant > amount of time coordinating this so we don't break celleb and qs20 > in the process. Since I've got the driver more or less memorized, I don't expect this to be an intellectual challenge. Which sometimes has the side effect of my getting bored, and dropping things on the floor. > I also think that you'd do a good job doing this, but it may be > more that what you are willing to do without official funding of the > time you spend on it. (Ardnt knows that my spidernet work is "moonlighting", off-the-books work.) I'll ask my employer. > Of course the actual amount of work will > depend a lot on the quality of the spidernet patches coming from > Sony to the spidernet maintainer. I guess I'll have to ask my employer for a ps3 that I can do some "research" on. --linas