Re: Kernel patches in openembedded/yocto

Hi Yves

Am 17.04.2015 um 09:19 schrieb Yves Blusseau:
> Hi all,
> 
> i'm working on a project that use openembedded/yocto project. It's really great to create a full linux distribution and boot images for any type of processor/architecture.
> Just for the informations this is how the configs and patches for the kernel are managed:
> 
> There a directory that correspond to specific patches/configs we want to apply. Example: https://github.com/openembedded/oe-core/tree/master/meta-skeleton/recipes-kernel/linux/linux-yocto-custom
> 
> First a .config file is create from defconfig if it doesn't exists: https://github.com/openembedded/oe-core/blob/master/meta/classes/kernel.bbclass#L310
> 
> Then all the cfg file (from the custom directory) are append to the .config and the patch (also in custom directory) are applied to the source.

How are the individual features of a certain distribution selected then?

> 
> With this, it use a "default" config file and apply a number of configs/patches for each features needed by specific processor/architecture/board.

Yes, but IMHO it is better to use a preconfigured default than a
defconfig generated file, because then you can preselect your own
default values.


cheers

ET

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