[yocto] [PATCH 0/3] linux-yocto: refactor recipes and update the kernel
Bruce Ashfield
bruce.ashfield at windriver.com
Wed Dec 8 11:05:34 PST 2010
On 10-12-08 09:35 AM, Bruce Ashfield wrote:
> Richard,
>
FYI: Darren pointed out that these should go to poky@
as well, so any follow ups will go to both lists. Sorry
about the initial miss!
Cheers,
Bruce
> 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.
>
> 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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