Hi Jose,

Sorry, that was due to a rebase issue.
I'll submit v3 shortly.

BR,
Anis

On Thu, Aug 13, 2026 at 8:46 PM Jose Quaresma <
[email protected]> wrote:

>
>
> On Thu, Aug 13, 2026 at 7:18 PM Anis Bougrine via lists.openembedded.org
> <[email protected]> wrote:
>
>> Currently, signed kernel modules skip the stripping process in order
>> to preserve the file contents after signing. See commit:
>> 4c47e5f171fa2603355e2f9183065ce8137a18c7
>>
>> However, the kernel install Makefile supports stripping modules before
>> signing them. This allows signed modules to be stripped while preserving
>> a valid signature.
>>
>> Make non-signed kernel modules follow the standard Yocto stripping flow,
>> while signed kernel modules use the kernel Makefile stripping flow.
>>
>> Fixes [YOCTO #12927]
>>
>> Reported-by: [email protected]
>> Signed-off-by: Anis Bougrine <[email protected]>
>> Cc: Antonin Godard <[email protected]>
>> Cc: Bruce Ashfield <[email protected]>
>> ---
>> changes in v2:
>>
>> - Use the conditional INSTALL_MOD_STRIP environment variable to avoid
>>   duplicating the oe_runmake call.
>> - Use `scripts/config` script instead of grepping .config file.
>> ---
>>  meta/classes-recipe/kernel.bbclass | 8 ++++++--
>>  1 file changed, 6 insertions(+), 2 deletions(-)
>>
>> diff --git a/meta/classes-recipe/kernel.bbclass
>> b/meta/classes-recipe/kernel.bbclass
>> index a82bdf7ecb..dd6e203701 100644
>> --- a/meta/classes-recipe/kernel.bbclass
>> +++ b/meta/classes-recipe/kernel.bbclass
>> @@ -451,9 +451,13 @@ kernel_do_install() {
>>         #
>>         # First install the modules
>>         #
>> -       unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
>> +       unset CFLAGS CPPFLAGS CXXFLAGS INSTALL_MOD_STRIP LDFLAGS MACHINE
>>         if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
>> -               oe_runmake DEPMOD=echo
>> MODLIB=${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}
>> INSTALL_FW_PATH=${D}${firmwaredir} modules_install
>>
>
> You didn't test it on the master? What is the reason to drop firmwaredir?
>
> Jose
>
>
>> +               # If the module will be auto-signed, perform stripping
>> before signing.
>> +               if [ "$(${S}/scripts/config --state MODULE_SIG)" = "y" ]
>> && [ "$(${S}/scripts/config --state MODULE_SIG_ALL)" = "y" ]; then
>> +                       export INSTALL_MOD_STRIP="--strip-debug
>> --remove-section=.comment --remove-section=.note --preserve-dates"
>> +               fi
>> +               oe_runmake DEPMOD=echo
>> MODLIB=${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}
>> INSTALL_FW_PATH=${D}${nonarch_base_libdir}/firmware modules_install
>>                 rm -f
>> "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
>>                 rm -f
>> "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/source"
>>                 # Remove empty module directories to prevent QA issues
>> --
>> 2.50.1 (Apple Git-155)
>>
>>
>> 
>>
>>
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