From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [143.182.124.37]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id E7F40E006CC for ; Fri, 8 Mar 2013 09:03:33 -0800 (PST) Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga102.ch.intel.com with ESMTP; 08 Mar 2013 09:03:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,809,1355126400"; d="scan'208";a="266942332" Received: from unknown (HELO envy.home) ([10.255.12.187]) by azsmga001.ch.intel.com with ESMTP; 08 Mar 2013 09:03:15 -0800 Message-ID: <513A19D3.8010508@linux.intel.com> Date: Fri, 08 Mar 2013 09:03:15 -0800 From: Darren Hart User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Bruce Ashfield References: <513810E4.2040506@windriver.com> <51389E52.2000109@windriver.com> In-Reply-To: <51389E52.2000109@windriver.com> X-Enigmail-Version: 1.5.1 Cc: yocto@yoctoproject.org Subject: Re: A question on adding a new program to a new meta layer X-BeenThere: yocto@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Discussion of all things Yocto Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Mar 2013 17:03:34 -0000 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit On 03/07/2013 06:04 AM, Bruce Ashfield wrote: > On 13-03-07 12:05 AM, Insop Song wrote: >> Bruce, >> >> That's very good. I will bring linux-yocto-3.8 kernel to meta-dl. >> (https://github.com/insop/meta-dl/tree/linux-yocto-3.8) > > I have another suggestion to offer here, one I've been wanting to > do for a bit. > > I've added Darren Hart to the thread, since I'd like to hear from > him on this as well. > > I have a use for the scheduling tools and benchmark cases for some > virtualization usecases (meta-virtualization on git.yoctoproject.org). > > We already have "recipes-rt" in oe-core, and the preempt-rt kernel > available from linux-yocto, and as we've been discussing I've added > support for EDF/sched_dealine in linux-yocto-3.8. > > I'm not a fan of having to many layers, but rather than putting these > efforts in github layers, hiding them in meta-virtualiation and they > aren't yet "core" enough to go in oe-core .. I'd rather see them > conslidated in a "meta-realtime" (or whatever name we decide on) > layer on git.yoctoproject.org. I'm fine with that. We should probably consider adding a realtime distro definition as well at some point soon. > > There are also ideas around interrupt management, AMP, and alternative > system partitioning that I'd like to drive into such a layer. > > A quick scan of the layer index, doesn't show anything that matches > this description. So I'm suggesting that we create a new layer > to consolidate these approaches, and a layer that can be consumed by > some of the other layers that are currently in progress. > > Comments ? In particular, point out a layer that already does this that > I've missed. No objection. Something outside of core would be better do to the experimental nature of so much of this stuff. -- Darren Hart Intel Open Source Technology Center Yocto Project - Technical Lead - Linux Kernel