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?
--
Darren
>
> Signed-off-by: Bruce Ashfield <bruce.ashfi...@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)}"
>
--
Darren Hart
Intel Open Source Technology Center
Yocto Project - Technical Lead - Linux Kernel
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