[yocto] [PATCH 0/3] linux-yocto: refactor recipes and update the kernel

[Bruce Ashfield]

On 10-12-08 09:35 AM, Bruce Ashfield wrote:
> Richard,
>
> Consider these patches for merging. I've been building and working
> with these for 2 weeks now, and while they aren't perfect, they
> work and we need more eyes on 2.6.37.

Does anyone with the right admin privs have time to look
into this ?

 >  git clone git://git.pokylinux.org/linux-yocto-2.6.37
fatal: destination path 'linux-yocto-2.6.37' already exists and is not 
an empty directory.
yow-bashfiel-d2 [/tmp]> rm -rf linux-yocto-2.6.37/
yow-bashfiel-d2 [/tmp]> git clone git://git.pokylinux.org/linux-yocto-2.6.37
Initialized empty Git repository in /tmp/linux-yocto-2.6.37/.git/
fatal: The remote end hung up unexpectedly
yow-bashfiel-d2 [/tmp]> git clone 
git://git.pokylinux.org/linux-2.6-windriver
Initialized empty Git repository in /tmp/linux-2.6-windriver/.git/
^Cmote: Counting objects: 125026

------

In other words, the 2.6.37 repo is only reachable by a ssh
based clone :)

When I get that working, I can fixup the SRCREV issue and
resubmit this for merge.

Cheers,

Bruce

>
> What we get is the following:
>
>   - factoring of the code into some reusable routines in the form
>     of a linux-yocto bbclass. The -stable, -devel and libc headers
>     recipes are all using this common code
>
>   - A new branching scheme for the 2.6.37 kernel that generalizes
>     the branch names and shows their hierarchy. The tools that
>     process the kernel needed a lot of 'unlearning' about the
>     old structure (this took a lot of my time working on this).
>
>     If this needs to be tweaked more, we can do it later, since
>     the big changes are done and agreed on, and we can't delay
>     scaling this out to more boards much longer.
>
>   - A -stable recipe that continues to build the 2.6.34 kernel
>     and a move of the main recipe to track the development
>     2.6.37-rc5 tree. The qemu* targets have their defaults
>     changed to 2.6.37-rc, while the hardware targets remain
>     on 2.6.34 for a bit longer. To ease the switch over, I
>     put the SRCREVs for 2.6.37 into the recipe itself. We
>     can move these as .37 becomes the default.
>
>   - perf is moved into a linux-tools.inc, we can add more to
>     this and re-use it more easily from here
>
>   - BSP boostrapping is streamlined (docs to follow).
>
> The temporary commenting of the preferred libc-headers provider
> was intentional. There is something strange happening when
> headers are generated for 2.6.34 that was breaking libc builds.
> To avoid holding up this series, we'll go with the default
> libc headers for a short while.
>
> I've built and booted all the qemu* targets on 2.6.37
> (minimal and sato), I've built most of the hardware
> targets. I noticed some strangeness with the mouse on
> ARM, and that will need to be looked at further. I've done
> some audits on the kernel configuration in 2.6.37, and
> while it looks sane, full BSP testing will tell us if
> anything major changed (that I missed).
>
> If there are better suggestions on how we can stage and
> get mileage on this code, I'm all ears, but this is a kernel
> uprev, so I expect some issues (there always is even though
> I've done plenty of these). If we don't want anything
> destabilizing in the tree, I'm fine with this and we just
> need to come up with a plan.
>
> What remains (I'm only one person!):
>
>   - BSP porting and full BSP testing
>   - Investigation into the libc-headers issue
>   - Continued cleanup
>   - Feature merging into 2.6.37 (lttng, yaffs, etc)
>
> Pull URL: git://git.pokylinux.org/poky-contrib.git
>    Branch: zedd/kernel
>    Browse: http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=zedd/kernel
>
> Thanks,
>      Bruce Ashfield<bruce.ashfield at windriver.com>
> ---
>
>
> Bruce Ashfield (3):
>    yocto-kernel: factor common routes, update to 2.6.37 and branch
>      renaming
>    linux-libc-headers-yocto: use common linux-yocto routines
>    qemu: update arm timer handling
>
>   meta-emenlow/conf/machine/emenlow.conf             |    3 +-
>   meta/classes/kernel-yocto.bbclass                  |  202 +++++++++++++++++
>   .../conf/distro/include/poky-default-revisions.inc |    2 +-
>   meta/conf/machine/atom-pc.conf                     |    3 +-
>   meta/conf/machine/beagleboard.conf                 |    3 +-
>   meta/conf/machine/include/qemu.inc                 |    1 +
>   meta/conf/machine/mpc8315e-rdb.conf                |    3 +-
>   meta/conf/machine/routerstationpro.conf            |    3 +-
>   .../qemu-0.12.4/arm_timer-fix-oneshot-mode.patch   |   32 +++
>   .../arm_timer-reload-timer-when-enabled.patch      |   40 ++++
>   meta/recipes-devtools/qemu/qemu_0.12.4.bb          |    4 +-
>   .../linux-libc-headers-yocto_git.bb                |   25 +--
>   meta/recipes-kernel/linux/linux-tools.inc          |   19 ++
>   .../recipes-kernel/linux/linux-yocto-stable_git.bb |   41 ++++
>   meta/recipes-kernel/linux/linux-yocto.inc          |   23 ++
>   meta/recipes-kernel/linux/linux-yocto_git.bb       |  232 +++-----------------
>   16 files changed, 415 insertions(+), 221 deletions(-)
>   create mode 100644 meta/classes/kernel-yocto.bbclass
>   create mode 100644 meta/recipes-devtools/qemu/qemu-0.12.4/arm_timer-fix-oneshot-mode.patch
>   create mode 100644 meta/recipes-devtools/qemu/qemu-0.12.4/arm_timer-reload-timer-when-enabled.patch
>   create mode 100644 meta/recipes-kernel/linux/linux-tools.inc
>   create mode 100644 meta/recipes-kernel/linux/linux-yocto-stable_git.bb
>   create mode 100644 meta/recipes-kernel/linux/linux-yocto.inc
>
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