From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 1DF59E004D2 for ; Tue, 13 Mar 2012 20:04:07 -0700 (PDT) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 13 Mar 2012 20:04:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="120780002" Received: from unknown (HELO [10.255.15.131]) ([10.255.15.131]) by orsmga002.jf.intel.com with ESMTP; 13 Mar 2012 20:04:06 -0700 From: Tom Zanussi To: Bruce Ashfield In-Reply-To: References: <86eeec9f1963b57809b988e148ddf43562e2f0bc.1331610171.git.tom.zanussi@intel.com> <4F5FA04C.7080901@linux.intel.com> <1331667871.21321.12.camel@elmorro> Date: Tue, 13 Mar 2012 22:03:43 -0500 Message-ID: <1331694223.21321.21.camel@elmorro> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Cc: yocto@yoctoproject.org, Darren Hart Subject: Re: [PATCH 1/2] meta-crownbay: switch to linux-yocto-3.2 kernel X-BeenThere: yocto@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Discussion of all things Yocto List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Mar 2012 03:04:07 -0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit On Tue, 2012-03-13 at 22:40 -0400, Bruce Ashfield wrote: > On Tue, Mar 13, 2012 at 3:44 PM, Tom Zanussi wrote: > > On Tue, 2012-03-13 at 12:30 -0700, Darren Hart wrote: > >> Hi Tom, > >> > >> Some thoughts on this with respect to cleaning up and simplifying the > >> recipes per our earlier discussions. > >> > >> On 03/12/2012 09:37 PM, tom.zanussi@intel.com wrote: > >> > From: Tom Zanussi > >> > > >> > Switch crownbay and crownbay-noemgd to the 3.2 kernel. > >> > > >> > Signed-off-by: Tom Zanussi > >> > --- > >> > meta-crownbay/conf/machine/crownbay-noemgd.conf | 2 ++ > >> > meta-crownbay/conf/machine/crownbay.conf | 2 ++ > >> > .../linux/linux-yocto-rt_3.2.bbappend | 20 ++++++++++++++++++++ > >> > .../recipes-kernel/linux/linux-yocto_3.2.bbappend | 17 +++++++++++++++++ > >> > 4 files changed, 41 insertions(+), 0 deletions(-) > >> > create mode 100644 meta-crownbay/recipes-kernel/linux/linux-yocto-rt_3.2.bbappend > >> > create mode 100644 meta-crownbay/recipes-kernel/linux/linux-yocto_3.2.bbappend > >> > > >> > diff --git a/meta-crownbay/conf/machine/crownbay-noemgd.conf b/meta-crownbay/conf/machine/crownbay-noemgd.conf > >> > index 2c80bd8..af85b00 100644 > >> > --- a/meta-crownbay/conf/machine/crownbay-noemgd.conf > >> > +++ b/meta-crownbay/conf/machine/crownbay-noemgd.conf > >> > @@ -4,6 +4,8 @@ > >> > #@DESCRIPTION: Machine configuration for Crown Bay systems, without Intel-proprietary graphics bits > >> > # i.e. E660 + EG20T > >> > > >> > +PREFERRED_VERSION_linux-yocto ?= "3.2%" > >> > + > >> > require conf/machine/include/tune-atom.inc > >> > require conf/machine/include/ia32-base.inc > >> > > >> > diff --git a/meta-crownbay/conf/machine/crownbay.conf b/meta-crownbay/conf/machine/crownbay.conf > >> > index 2c1ef3d..1458bff 100644 > >> > --- a/meta-crownbay/conf/machine/crownbay.conf > >> > +++ b/meta-crownbay/conf/machine/crownbay.conf > >> > @@ -4,6 +4,8 @@ > >> > #@DESCRIPTION: Machine configuration for Crown Bay systems > >> > # i.e. E660 + EG20T > >> > > >> > +PREFERRED_VERSION_linux-yocto ?= "3.2%" > >> > + > >> > require conf/machine/include/tune-atom.inc > >> > require conf/machine/include/ia32-base.inc > >> > > >> > diff --git a/meta-crownbay/recipes-kernel/linux/linux-yocto-rt_3.2.bbappend b/meta-crownbay/recipes-kernel/linux/linux-yocto-rt_3.2.bbappend > >> > new file mode 100644 > >> > index 0000000..dee9bce > >> > --- /dev/null > >> > +++ b/meta-crownbay/recipes-kernel/linux/linux-yocto-rt_3.2.bbappend > >> > @@ -0,0 +1,20 @@ > >> > +FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:" > >> > + > >> > +COMPATIBLE_MACHINE_crownbay-noemgd = "crownbay-noemgd" > >> > +KMACHINE_crownbay-noemgd = "crownbay" > >> > + > >> > +KERNEL_FEATURES_append_crownbay-noemgd += " cfg/smp.scc" > >> > >> I think we start putting cfg/smp.scc in the BSP scc file directly rather > >> than in the recipe itself. This can be a follow-on patch, or just with > >> the next kernel release even. But I wanted to point it out. > >> > > > > Yeah, I saw that and agree - I just don't want to spend the time to do > > all that now. I basically have this week to get them all moved over > > into a basically functional state and will submit patches to do this and > > the below as follow-ons once the basics are out of the way. > > > >> > + > >> > +COMPATIBLE_MACHINE_crownbay = "crownbay" > >> > +KMACHINE_crownbay = "crownbay" > >> > + > >> > +KERNEL_FEATURES_append_crownbay += " cfg/smp.scc" > >> > + > >> > +# Update the following to use a different BSP branch or meta SRCREV > >> > +#KBRANCH_crownbay-noemgd = "yocto/standard/preempt-rt/base" > >> > +#SRCREV_machine_pn-linux-yocto-rt_crownbay-noemgd ?= XXXX > >> > +#SRCREV_meta_pn-linux-yocto-rt_crownbay-noemgd ?= XXXX > >> > + > >> > +#KBRANCH_crownbay = "yocto/standard/preempt-rt/base" > >> > +#SRCREV_machine_pn-linux-yocto-rt_crownbay ?= XXXX > >> > +#SRCREV_meta_pn-linux-yocto-rt_crownbay ?= XXXX > >> > diff --git a/meta-crownbay/recipes-kernel/linux/linux-yocto_3.2.bbappend b/meta-crownbay/recipes-kernel/linux/linux-yocto_3.2.bbappend > >> > new file mode 100644 > >> > index 0000000..3b02076 > >> > --- /dev/null > >> > +++ b/meta-crownbay/recipes-kernel/linux/linux-yocto_3.2.bbappend > >> > @@ -0,0 +1,17 @@ > >> > +FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:" > >> > + > >> > +COMPATIBLE_MACHINE_crownbay = "crownbay" > >> > +KMACHINE_crownbay = "crownbay" > >> > +KBRANCH_crownbay = "standard/default/crownbay" > >> > >> I believe crownbay no longer requires special patches right? Can we just > >> use the standard/default/base branch here and squash the crownbay branch? > >> > > > > At the moment it doesn't, and I'll probably submit a patch to do that > > for everything that it make sense for again after things are functional > > with the simple changes first. > > There's one catch with this. We currently have the graphics drivers staged as > topic branches so they can be in tree, and be kept pristine. The BSPs merge > the graphics topic branch they want, and we can leverage common commits > across all the users. > > If you drop the BSP branch, then the graphics changes need to be universally > safe for all similar BSPs, since that merge will now be to a shared branch. > That's normally fine, but for the case where we have multiple emgd versions, > it can break things. > > We have complete flexibility to how we stage the branches, and how we > generate the content that is built, so this can change .. but that's > how we currently > have it setup. Those graphics merges are board specific changes and require > a branch. > That's fine, I'm perfectly happy to have per-BSP machine branches. They're cheap, and I don't really see the reason to be so parsimonious with them. Also, they're always there, so if we do need to have a place to put the odd machine-specific patch now and then we don't have to add a new branch when we need to add those patches, or remove them once they're gone. I guess the system was kind of designed for that (machine branches, even if empty)? > > > > >> > +KERNEL_FEATURES_append_crownbay += " cfg/smp.scc" > >> > + > >> > +COMPATIBLE_MACHINE_crownbay-noemgd = "crownbay-noemgd" > >> > +KMACHINE_crownbay-noemgd = "crownbay" > >> > +KBRANCH_crownbay-noemgd = "standard/default/crownbay" > >> > +KERNEL_FEATURES_append_crownbay-noemgd += " cfg/smp.scc" > >> > + > >> > +SRCREV_machine_pn-linux-yocto_crownbay ?= "4471c11c7755727219b673cb887d8a13b8715aba" > >> > +SRCREV_meta_pn-linux-yocto_crownbay ?= "64840f55ee144e9814278eaa8e3f33dd60da892c" > >> > + > >> > +SRCREV_machine_pn-linux-yocto_crownbay-noemgd ?= "4471c11c7755727219b673cb887d8a13b8715aba" > >> > +SRCREV_meta_pn-linux-yocto_crownbay-noemgd ?= "64840f55ee144e9814278eaa8e3f33dd60da892c" > >> > >> The meta SRCREV shouldn't be unique from the base linux-yocto_3.2.bb > >> recipe, so this can be dropped and save the effort of updating it later. > >> > > > > I don't really want to let the meta SRCREV float - I've run into a > > couple nasty problems in the past letting that happen. i.e. nobody does > > runtime testing of the BSPs when they change the meta SRCREV in the base > > recipe. > > runtime testing is the hard part. I can build them .. but can't boot them all! > Exactly, which is why I'm happy to push the SRCREVs for a BSP once I've tested it... Tom > Cheers, > > Bruce > > > > >> If we use the standard/default/base branch, the machine SRCREV can also > >> be dropped. > >> > > > > Agreed, if the machine branch changes to standard/default/base, I'll > > change that too. > > > > Tom > > > >> > > > > > > _______________________________________________ > > yocto mailing list > > yocto@yoctoproject.org > > https://lists.yoctoproject.org/listinfo/yocto > > >