On Tue, Nov 17, 2020 at 10:47 PM Bruce Ashfield via lists.openembedded.org
<[email protected]> wrote:

>
>
> On Tue, Nov 17, 2020 at 9:20 PM Khem Raj <[email protected]> wrote:
>
>> Hi Bruce
>>
>> On Tue, Nov 17, 2020 at 6:06 AM Bruce Ashfield <[email protected]>
>> wrote:
>> >
>> > From: Bruce Ashfield <[email protected]>
>> >
>> > There were two copies of this patch floating around, and the merged
>> > variant has the copy in the wrong place.
>> >
>> > module.lds is only created during modules_prepare, and that target is
>> > not invoked during our main build of the kernel. We aren't about to
>> > change the kernel build (there's no need), so we move the copy into
>> > the compile_kernelmodules task. After that runs, we have module.lds
>> > availble to copy.
>> >
>> > This has been tested against clean kernel + out of tree module
>> > builds, and the dependencies are correct that the file is copied
>> > before the out of tree module build starts.
>> >
>> > Signed-off-by: Bruce Ashfield <[email protected]>
>> > ---
>> >
>> > This is just a fixup to the patch [kernel: provide module.lds for out of
>> > tree builds in v5.10+], which v1 merged instead of v2.
>> >
>> > Build tested locally.
>> >
>> >  meta/classes/kernel.bbclass | 2 +-
>> >  1 file changed, 1 insertion(+), 1 deletion(-)
>> >
>> > diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
>> > index ccd74e61e8..af4c891de4 100644
>> > --- a/meta/classes/kernel.bbclass
>> > +++ b/meta/classes/kernel.bbclass
>> > @@ -391,6 +391,7 @@ do_compile_kernelmodules() {
>> >                 # other kernel modules and will look at this
>> >                 # file to do symbol lookups
>> >                 cp ${B}/Module.symvers ${STAGING_KERNEL_BUILDDIR}/
>> > +               [ -e ${B}/scripts/module.lds ] && install -Dm 0644
>> ${B}/scripts/module.lds ${STAGING_KERNEL_BUILDDIR}/scripts/module.lds
>>
>> This change fails the task if file does not exist
>>
>> make: Leaving directory
>>
>> '/mnt/b/yoe/master/build/tmp/work/raspberrypi4_64-yoe-linux/linux-raspberrypi/1_5.4.72+gitAUTOINC+5d52d9eea9_154de7bbd5-r0/linux-raspberrypi4_64-standard-build'
>> WARNING:
>> /mnt/b/yoe/master/build/tmp/work/raspberrypi4_64-yoe-linux/linux-raspberrypi/1_5.4.72+gitAUTOINC+5d52d9eea9_154de7bbd5-r0/temp/run.do_compile_kernelmodules.1515902:175
>> exit 1 from '[ -e
>>
>> /mnt/b/yoe/master/build/tmp/work/raspberrypi4_64-yoe-linux/linux-raspberrypi/1_5.4.72+gitAUTOINC+5d52d9eea9_154de7bbd5-r0/linux-raspberrypi4_64-standard-build/scripts/module.lds
>> ]'
>> WARNING: Backtrace (BB generated script):
>>         #1: main,
>>
>> /mnt/b/yoe/master/build/tmp/work/raspberrypi4_64-yoe-linux/linux-raspberrypi/1_5.4.72+gitAUTOINC+5d52d9eea9_154de7bbd5-r0/temp/run.do_compile_kernelmodules.1515902,
>> line 175
>>
>> however if I change the above fragment to
>>
>>
>> if [ -f ${B}/scripts/module.lds ]; then
>>   install -Dm 0644 ${B}/scripts/module.lds
>> ${STAGING_KERNEL_BUILDDIR}/scripts/module.lds
>> fi
>>
>> it works well.
>>
>> and note I have used -f instead of -e since that appropriate check but
>> it does not matter if we use -e or -f it fails in same
>> way with the check you proposed.
>>
>
> That's really strange.
>
> I tested this against a clean oe-core with kernel versions from 5.4
> through 5.10.
>
> What kernel and version are you building ?
>

ahah. I can figure that out from your log.

I'll send a v2 once I've retested against that config, as well as my other
ones.

Bruce



>
> Bruce
>
>
>
>> >         else
>> >                 bbnote "no modules to compile"
>> >         fi
>> > @@ -494,7 +495,6 @@ do_shared_workdir () {
>> >         # Copy files required for module builds
>> >         cp System.map $kerneldir/System.map-${KERNEL_VERSION}
>> >         [ -e Module.symvers ] && cp Module.symvers $kerneldir/
>> > -       [ -e scripts/module.lds ] && install -Dm 0644
>> scripts/module.lds $kerneldir/scripts/module.lds
>> >         cp .config $kerneldir/
>> >         mkdir -p $kerneldir/include/config
>> >         cp include/config/kernel.release
>> $kerneldir/include/config/kernel.release
>> > --
>> > 2.19.1
>> >
>> >
>> >
>> >
>>
>
>
> --
> - Thou shalt not follow the NULL pointer, for chaos and madness await thee
> at its end
> - "Use the force Harry" - Gandalf, Star Trek II
>
>
> 
>
>

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