From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hermes.mlbassoc.com ([64.234.241.98] helo=mail.chez-thomas.org) by linuxtogo.org with esmtp (Exim 4.72) (envelope-from ) id 1Q0Af0-0000A0-Tm for openembedded-core@lists.openembedded.org; Thu, 17 Mar 2011 11:42:31 +0100 Received: by mail.chez-thomas.org (Postfix, from userid 999) id 4894C166037C; Thu, 17 Mar 2011 04:40:47 -0600 (MDT) X-Spam-Checker-Version: SpamAssassin 3.3.2-r929478 (2010-03-31) on hermes.chez-thomas.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=4.0 tests=ALL_TRUSTED,BAYES_00 autolearn=unavailable version=3.3.2-r929478 Received: from [127.0.0.1] (localhost.localdomain [127.0.0.1]) by mail.chez-thomas.org (Postfix) with ESMTP id 16C531660375; Thu, 17 Mar 2011 04:40:46 -0600 (MDT) Message-ID: <4D81E52E.7030808@mlbassoc.com> Date: Thu, 17 Mar 2011 04:40:46 -0600 From: Gary Thomas User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc13 Thunderbird/3.1.7 MIME-Version: 1.0 To: Darren Hart References: <13FB91B0-A9A3-41A8-BD13-7F9FB8B2F2CD@beagleboard.org> <4D810ED4.6020107@linux.intel.com> In-Reply-To: <4D810ED4.6020107@linux.intel.com> Cc: Koen Kooi , Patches and discussions about the oe-core layer Subject: Re: [PATCH V2] [RFC] kernel: rework kernel and module classes to allow for building out-of-tree modules X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: Patches and discussions about the oe-core layer List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Mar 2011 10:42:31 -0000 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 03/16/2011 01:26 PM, Darren Hart wrote: > On 03/16/2011 10:54 AM, Koen Kooi wrote: >> >> Op 16 mrt 2011, om 18:04 heeft Darren Hart het volgende geschreven: >> >>> NOT FOR INCLUSION >>> >>> Before we include something like this, it needs review from folks like Koen and >>> Gary to confirm it works in their environment as well. >>> >>> The existing infrastructure uses an external build tree which references the >>> kernel source in the work dir. If run with rm work, building external modules >>> will fail. >>> >>> This patch places a configured source tree in sysroots. Striking a balance >>> between minimal size and minimal maintenance is difficult. A fully configured >>> tree is about 500MB after a clean. This version leans on the side of caution and >>> removes only the obviously unecessary parts of the source tree to conserve >>> space, resulting in about 170MB. The arch directories would be some additional >>> pruning we could do. Given examples from the devel package from distributions, I >>> suspect this size could be reduced to 75MB or so, but at the cost of a much more >>> complex recipe which is likely to require a great deal more maintenance to keep >>> current with kernel releases. >>> >>> Care is also taken to clean the hostprogs in scripts, and the modules are >>> responsible for building them as needed. Although it is unclear to me if this is >>> really necessary, especially considering that modules put these bits back as >>> soon as they compile. If we are not generating an sstate package, I suspect we >>> can ignore these. >>> >>> Please try this with your modules and let me know how it does. I tried to take >>> non linux-yocto kernel recipes into account, but I have only tested with >>> linux-yocto and the hello-mod recipe so far. >>> >>> V2: o Address 000 perm quilt files (don't copy .pc dir) >>> o Clear linux-yocto meta dir from sysroots >>> >>> Signed-off-by: Darren Hart >> >> This one works beautifully, so: >> >> Acked-by: Koen Kooi > > Thanks Koen. > > Gary, can you give this version a spin? > > If it works, I'm going to suggest we take this as is and carefully prune away bits we don't need over time so we can get adequate testing across multiple archs, platforms, and > modules. Same for the hostprogs cleaning bits. > It also worked for me. Thanks - you can add Acked-by: Gary Thomas -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------