Re: [poky] [PATCH 2/3] kernel-yocto.bbclass: support modular kernel configs

I already have patches for this, and they have not been sent on purpose.

Please do not apply this patch, consider this a nack.

Bruce

On Wed, Apr 23, 2025 at 4:03 AM Mikko Rapeli via lists.yoctoproject.org
<[email protected]> wrote:

> Compile many kernel drivers as modules when recipe sets
>
> MODULAR_KERNEL = "true"
>
> This likely requires support for initramfs which includes
> kernel modules needed to mount the rootfs.
>
> SCC_OPTS can be used to add arguments to scc kernel config
> generation call.
>
> Signed-off-by: Mikko Rapeli <[email protected]>
> ---
>  meta/classes-recipe/kernel-yocto.bbclass | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/meta/classes-recipe/kernel-yocto.bbclass
> b/meta/classes-recipe/kernel-yocto.bbclass
> index cef6b9ec3f..f98720bcec 100644
> --- a/meta/classes-recipe/kernel-yocto.bbclass
> +++ b/meta/classes-recipe/kernel-yocto.bbclass
> @@ -26,6 +26,12 @@ KCONF_BSP_AUDIT_LEVEL ?= "0"
>  KMETA_AUDIT ?= "yes"
>  KMETA_AUDIT_WERROR ?= ""
>
> +# most drivers as built in (default), or as modules
> +MODULAR_KERNEL = "false"
> +
> +# options to scc
> +SCC_OPTS ?= "${@bb.utils.contains('MODULAR_KERNEL', 'true',
> '-DMODULE_OR_Y=m', '', d)}"
> +
>  # returns local (absolute) path names for all valid patches in the
>  # src_uri
>  def find_patches(d,subdir):
> @@ -298,7 +304,7 @@ do_kernel_metadata() {
>                 elements="`echo -n ${bsp_definition} $sccs_defconfig
> ${sccs} ${patches} $KERNEL_FEATURES_FINAL`"
>                 if [ -n "${elements}" ]; then
>                         echo "${bsp_definition}" >
> ${S}/${meta_dir}/bsp_definition
> -                       scc --force -o ${S}/${meta_dir}:cfg,merge,meta
> ${includes} $sccs_defconfig $bsp_definition $sccs $patches
> $KERNEL_FEATURES_FINAL
> +                       scc ${SCC_OPTS} --force -o
> ${S}/${meta_dir}:cfg,merge,meta ${includes} $sccs_defconfig $bsp_definition
> $sccs $patches $KERNEL_FEATURES_FINAL
>                         if [ $? -ne 0 ]; then
>                                 bbfatal_log "Could not generate
> configuration queue for ${KMACHINE}."
>                         fi
> --
> 2.43.0
>
>
> -=-=-=-=-=-=-=-=-=-=-=-
> Links: You receive all messages sent to this group.
> View/Reply Online (#13599):
> https://lists.yoctoproject.org/g/poky/message/13599
> Mute This Topic: https://lists.yoctoproject.org/mt/112410521/1050810
> Group Owner: [email protected]
> Unsubscribe: https://lists.yoctoproject.org/g/poky/unsub [
> [email protected]]
> -=-=-=-=-=-=-=-=-=-=-=-
>
>

-- 
- Thou shalt not follow the NULL pointer, for chaos and madness await thee
at its end
- "Use the force Harry" - Gandalf, Star Trek II