[OE-core] [PATCH 1/7] linux-yocto/3.8: allow kernel feature _appends to be overriden

[Bruce Ashfield]

On 13-03-26 11:48 AM, Darren Hart wrote:
> On 03/26/2013 07:46 AM, Bruce Ashfield wrote:
>> It was pointed out that the current way the KERNEL_FEATURES variable
>> is appended in the base linux-yocto recipe doesn't allow the appended
>> features to be prevented in a layer without using python code and
>> a recipe finalize hook.
>>
>> To allow easier overriding of 'extra' or 'optional' features that are
>> defined in the linux-yocto recipe, we create a KERNEL_EXTRA_FEATURES
>> variable. This variable can be set in a layer to define extra features
>> or cleared to prevent the recipe's extra features from being appended
>> to the core functionality.
>
> You know what I'm going to say right? Docume.... right, good.
>
> Bruce, are you keeping a list of things that have changed and need
> documentation in the kernel-dev manual? Could you share it?

I do have a list, I'll put it in bugzilla.

Bruce

>
> --
> Darren
>
>>
>> Signed-off-by: Bruce Ashfield <bruce.ashfield at windriver.com>
>> ---
>>   meta/recipes-kernel/linux/linux-yocto_3.8.bb |    7 +++----
>>   1 file changed, 3 insertions(+), 4 deletions(-)
>>
>> diff --git a/meta/recipes-kernel/linux/linux-yocto_3.8.bb b/meta/recipes-kernel/linux/linux-yocto_3.8.bb
>> index b395e45..f29675a 100644
>> --- a/meta/recipes-kernel/linux/linux-yocto_3.8.bb
>> +++ b/meta/recipes-kernel/linux/linux-yocto_3.8.bb
>> @@ -23,8 +23,7 @@ KMETA = "meta"
>>   COMPATIBLE_MACHINE = "qemuarm|qemux86|qemuppc|qemumips|qemux86-64"
>>
>>   # Functionality flags
>> -KERNEL_FEATURES_append = " features/netfilter/netfilter.scc"
>> -KERNEL_FEATURES_append_qemux86=" cfg/sound.scc"
>> -KERNEL_FEATURES_append_qemux86-64=" cfg/sound.scc"
>> -KERNEL_FEATURES_append_qemux86=" cfg/paravirt_kvm.scc"
>> +KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc"
>> +KERNEL_FEATURES_append_qemux86=" ${KERNEL_EXTRA_FEATURES} cfg/sound.scc cfg/paravirt_kvm.scc"
>> +KERNEL_FEATURES_append_qemux86-64=" ${KERNEL_EXTRA_FEATURES} cfg/sound.scc"
>>   KERNEL_FEATURES_append = " ${@bb.utils.contains("TUNE_FEATURES", "mx32", " cfg/x32.scc", "" ,d)}"
>>
>