[OE-core] How to patch yocto kernel

[Khem Raj]

On Sun, May 1, 2011 at 7:40 PM, Bruce Ashfield <bruce.ashfield at gmail.com> wrote:
> On Sun, May 1, 2011 at 9:14 PM, Khem Raj <raj.khem at gmail.com> wrote:
>> Hi
>>
>> I am trying to test this patch
>>
>> http://uclibc.org/~kraj/perf-tool-Fix-gcc-4.6.0-issues.patch
>>
>> to fix the build using gcc 4.6.0 but the kernel patching for yocto is
>> not as usual as other recipes
>> since it uses entire set of tooling around it.
>>
>> I tried to look around for documentation and few references I found
>>
>> https://wiki.pokylinux.org/wiki/Wind_River_Kernel
>>
>> discourages putting patches in metadata. and in another document it
>> says it uses git to do patching but does not explain how.
>>
>> So if someone can explain in simple terms how to patch a linux-yocto
>> would be really helpful from a
>> developer POV or any documentation will be helpful.
>>
>> How do people develop/test patches on linux-yocto I understand
>> eventually they are desired to be part
>> of linux-yocto git but that comes after they are tried and tested locally
>>
>> I would have preferred to have the usual SRC_URI patching atleast for
>> local testing. As of now
>> it seems not to use normal OE recipe procedures.
>
> Are you actually not  seeing this work ? I put in place compatibility
> with existing patching via the SRC_URI for just this reason. A patch
> specified in the SRC_URI will be picked up by the tools and applied
> to the end of the BSP branch during the patching phase.
>

if it worked. I would not be writing this email :)

> It has definitely worked during all the development cycles, so if you
> are seeing it not work, it's a bug and I'll fix it.
>
> Cheers,
>
> Bruce
>
>>
>> Thanks
>> -Khem
>>
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>
>
>
> --
> "Thou shalt not follow the NULL pointer, for chaos and madness await
> thee at its end"
>
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