Kernel trees are trickling back

[Jean-Baptiste Queru]

I've just added the following two kernel projects into AOSP, with the
following branches:

https://android.googlesource.com/kernel/common
android-2.6.39
android-3.0

https://android.googlesource.com/kernel/omap
linux-omap-3.0
android-omap-3.0

Others will be coming back over time.

JBQ

--
Jean-Baptiste M. "JBQ" Queru
Software Engineer, Android Open-Source Project, Google.

Questions sent directly to me that have no reason for being private
will likely get ignored or forwarded to a public forum with no further
warning.

[Bryce Walter]

NICE! Thanks JBQ. Can't wait to see them all back in.
@Krylon360

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Bryce T. Walter

[mizmit1222]

Hi, JBQ

Thank you very much for your hard work.

git clone gives me following worning.
warning: remote HEAD refers to nonexistent ref, unable to checkout.

But git checkout works fine for both repositories.
$ cd common
$ git checkout androd-3.0
$ cd ../omap
$ git checkout android-omap-3.0

Cheers,

[Srinidhi K V]

Hi JBQ,
Thanks. I have been waiting for this for some time now.
Srinidhi

[Jean-Baptiste Queru]

Indeed. This is a harmless error. I think the server HEAD points to
master, which doesn't exist.

JBQ

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[Suryandaru Triandana]

Wow, finally, been looking for this for sometimes now. Great work JBQ.
How about the samsung kernel trees, is it will be available anytime soon?

[Srinidhi K V]

Hi JBQ,
Is android 3.0 kernel is the official version for ICS
(like 2.6.35 for GB) or is there any other specific branch.

Thanks,
Srinidhi

[Jean-Baptiste Queru]

I don't think there's such a thing as an official version. I'm pretty
sure that in the past different flagship devices have used different
versions of the kernel for the same version of the platform.

JBQ

[Jean-Baptiste Queru]

Getting the older source trees back online is on my todo list.

JBQ

On Tue, Nov 8, 2011 at 11:44 PM, Suryandaru Triandana <syn...@gmail.com> wrote:
> Wow, finally, been looking for this for sometimes now. Great work JBQ.
> How about the samsung kernel trees, is it will be available anytime soon?
>

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[Carlos Silva]

On Wed, Nov 9, 2011 at 01:41, Jean-Baptiste Queru <j...@android.com> wrote:

Indeed. This is a harmless error. I think the server HEAD points to
master, which doesn't exist.

JBQ

Don't know it it is because of this, but it makes it non-browsable on gitweb (and git bundle create fail)

[Nathaniel Husted]

JBQ, thanks for working on getting those up. Quick question(s), do
either contain support for goldfish? Is there source available for
doing the emulator kernel builds at the moment? I couldn't see
anything labeled as a goldfish branch and am unsure if goldfish
support is now built-in to the common kernel branches. Thanks!

Cheers,
Nathaniel

[Jean-Baptiste Queru]

I don't think that this contains goldfish (that's in a separate
repository). It's on my todo list too :)

Here's the goldfish kernel source that went into the ICS preview SDK:

Size: 71MB
SHA-1: 805f7cb1e4fffd476f622cd5ba4f6555e939ed72
URI: https://dl.google.com/dl/android/gpl/android-gpl-kernel-sdk-4.0.1_r1.tgz

JBQ

--

[Tom]

Hi Jean-Baptiste,

When is it planned to have the older kernel source (most interested in
2.6.37) with android patches integrated available?
At least, where can I find these 2.6.37 patches in the mean time?

Thanks

Thomas

[Jean-Baptiste Queru]

At this point I'm not sure, mostly because this is managed by the
Android kernel team, while my expertise is on the platform side.
Hopefully someone from that team will chime in with additional
details.

JBQ

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[Ron M]

JBQ - Thanks a lot for the answers.

I have a couple of additional questions regarding the same issues which I would be glad if you and/or your distinguished colleagues can answer:

1. I see that the ICS's emulator kernel is still 2.6.29 which is a little unfortunate. Do you guys have any plans of taking it to a >=3.0 versions (I presume not because it is "just an emulator" - BUT - having 

the same kernel sources for various architectures, can save TONS of patching time to some of us, aiming to do kernel stuff for both the emulator and a real target).

2. Can you please ask your colleagues for a list of EXPECTED  kernel trees, and their upstream-equivalent kernel version (e.g.  2.6.XY   or hopefully 3.XY).

I am asking this as an "Heads up" for myself and my team, who are interested in getting a development board, and a released and supported kernel version for the available SOC's would help us 
decide on which one we will take (Yes. Patching takes tons of time :-( )

3. This is the sequel for 2.  -  What about Intel Atom based boards? Is there kernel of these coming soon? As far as I recall, git.android.kernel.org only had ARM SOC's kernels.

Thanks,

Ron

[Jean-Baptiste Queru]

I'm going to recommend that you ask kernel-related questions on the
android-kernel list, as that's where you're most likely to find the
people who know for sure.

On the emulator side, I'm sure that we'd look at contributions that
port the goldfish drivers to 3.0. So far the consensus has been that
backporting new features to 2.6.29 takes less effort than porting
goldfish to 3.0.

My understanding is that there's only a very loose coupling between
the platform and the kernel, so there might not be a unique answer to
knowing which exact upstream kernel version is supposed to match a
given platform version. In fact I'm pretty sure that in the past
there've been cases where different devices running the exact same
platform code were using different kernel versions.

Finally, in the Android Open-Source Project, we tend to only release
code that we've shipped, and at the moment that'd exclude any Intel
support other than for goldfish.

JBQ

[Pratik]

Hi,I have ported Goldfish changes to 3.0 but there are few issues with
this kernel. It is strange that ICS has some strange binding with
2.6.29 kernel which I could not figure out.Please see more information
on Android Kernel Group.

Cheers,
Pratik

[Ron M]

Pratik, that's nice to hear, I'll take a look.

JBQ - will such commits be reviewed by the google guys, if work is done on it (Goldfish, emulator).

Thanks,

Ron

[Jean-Baptiste Queru]

I have extremely little visibility over the kernel side of things.

JBQ

[acdc]

Some info :
Once you do this :
#git clone https://android.googlesource.com/kernel/common

#cd commmon

# git branch -r (this will list out all these things)
origin/HEAD -> origin/master
origin/android-2.6.39
origin/android-3.0
origin/master

#git checkout -b android-3.0 origin/android-3.0

Just by typing the below mentioned command it issues a error on linux
terminal
git checkout androd-3.0 (This wont work)
erros displayed is : error: pathspec 'androd-3.0' did not match any
file(s) known to git.

Instead use this : git chekout -b android-3.0 origin/android-3.0
Now you get all the kernel sources.

thanks all :)

On Dec 6, 9:33 pm, Jean-Baptiste Queru <j...@android.com> wrote:
> I have extremely little visibility over the kernel side of things.
>
> JBQ
>
>
>
>
>
>
>
>
>
> On Tue, Dec 6, 2011 at 7:25 AM, Ron M <ron...@gmail.com> wrote:
> > Pratik, that's nice to hear, I'll take a look.
> > JBQ - will such commits be reviewed by the google guys, if work is done on
> > it (Goldfish, emulator).
> > Thanks,
> > Ron
>