How to build latest linux kernel for Android device?

[Ilya Kryukov]

Collegues, 

I wonder how to build latest linux kernel from https://www.kernel.org/ for Android device (for example Nexus7)?

I have:

• AOSP source code
  
• Android build for device (from aosp)
  
• Downloaded kernel 3.8.4 from https://www.kernel.org/
  

The question is:

How can I build latest kernel using all described stuff (aosp source, kernel config, latest kernel)?

Thanks!

Ilya.

[Jeremy Morales]

You don't want the kernel from kernel.org, you want it from Google's source

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[Ilya Kryukov]

Why? I heard, that since 3.3 version all android patches were merged to linux kernel mainline.

воскресенье, 24 марта 2013 г., 1:34:49 UTC+4 пользователь Giveen написал:

[Emeric VIGIER]

Having generic android patches merged does not mean that your board (Nexus 7) and all its specific devices are supported by current kernel.

Google/Asus has probably not taken the time to clean and push everything to Linus yet.

Emeric

[Ilya Kryukov]

Is there any method to merge vanilla kernel with existing?

What if I would to build android for x86 laptop? All device drivers are in linux kernel for this case.

воскресенье, 24 марта 2013 г., 17:32:49 UTC+4 пользователь m-ric написал:

[Emeric VIGIER]

To begin, you'd better not to. You'll fall in having to debug problems that will take ages to debug.

First make sure you can find and build a kernel that works with your device.

It is easily achieved with the kernel tree provided by your SoC manufacturer (e.g. http://www.omappedia.com/wiki/LinuxOmapKernelGitTrees for OMAP).

For x86, I guess you'll find valuable info here.

When done, I would recommend you to make a list of the features, contained in most recent kernel versions, that you want on your device.

Isolate the patchsets associated and integrate them one by one. After each feature integration, verify that your kernel boots and that the feature is present and functional.

Emeric

[Ilya Kryukov]

Thanks for helpful advice!

Ilya.

воскресенье, 24 марта 2013 г., 17:52:31 UTC+4 пользователь m-ric написал:

[Thiago C. Santini]

What you could do, is checkout the correct kernel for your device from Google and merge 3.8.4 into it, but good luck with that. It's not usually easy, unless you are merging same version of Linux with the same version of Android.

On a side note, there is an experimental branch for 3.8, that may be easier to do so:

https://android.googlesource.com/kernel/common/+/experimental/android-3.8

For the x86, you can check http://www.android-x86.org/

Atenciosamente / Kind Regards

Thiago Caberlon Santini
Computer Engineer - Federal University of Rio Grande do Sul

Website:   http://www.inf.ufrgs.br/~tcsantini/
PGP-Key: http://www.inf.ufrgs.br/~tcsantini/tcsantini.asc