[OE-core] [PATCH] kernel-devsrc: cp Documentation/ to sdk kernel

Bruce Ashfield bruce.ashfield at gmail.com
Wed Aug 14 15:33:29 UTC 2019


On Wed, Aug 14, 2019 at 5:48 AM Hongzhi, Song
<hongzhi.song at windriver.com> wrote:
>
>
> On 8/14/19 11:48 AM, Bruce Ashfield wrote:
> > On Tue, Aug 13, 2019 at 11:39 PM Bruce Ashfield
> > <bruce.ashfield at gmail.com>  wrote:
> >> On Tue, Aug 13, 2019 at 11:04 PM Bruce Ashfield
> >> <bruce.ashfield at gmail.com>  wrote:
> >>>
> >>> On Tue, Aug 13, 2019 at 11:01 PM Hongzhi, Song<hongzhi.song at windriver.com>  wrote:
> >>>> On 8/14/19 10:53 AM, Bruce Ashfield wrote:
> >>>>> On Tue, Aug 13, 2019 at 9:59 PM Hongzhi, Song
> >>>>> <hongzhi.song at windriver.com  <mailto:hongzhi.song at windriver.com>> wrote:
> >>>>>
> >>>>>
> >>>>>      On 8/13/19 8:27 PM, Bruce Ashfield wrote:
> >>>>>      >
> >>>>>      >
> >>>>>      > On Tue, Aug 13, 2019 at 1:35 AM Hongzhi.Song
> >>>>>      > <hongzhi.song at windriver.com  <mailto:hongzhi.song at windriver.com>
> >>>>>      <mailto:hongzhi.song at windriver.com
> >>>>>      <mailto:hongzhi.song at windriver.com>>> wrote:
> >>>>>      >
> >>>>>      >     A new patch let kernel source Documentation/Kconfig in top
> >>>>>      Kconfig
> >>>>>      >     So kernel-devsrc should include Documentation/ too.
> >>>>>      >     Otherwise "make scripts" will fails.
> >>>>>      >
> >>>>>      >     patch:
> >>>>>      >     commit b1663d7e3a7961fc45262fd68a89253f2803036c
> >>>>>      >     Author: Mauro Carvalho Chehab <mchehab+samsung at kernel.org
> >>>>>      <mailto:mchehab%2Bsamsung at kernel.org>
> >>>>>      >     <mailto:mchehab%2Bsamsung at kernel.org
> >>>>>      <mailto:mchehab%252Bsamsung at kernel.org>>>
> >>>>>      >     Date:   Tue Jun 4 09:26:27 2019 -0300
> >>>>>      >
> >>>>>      >         docs: Kbuild/Makefile: allow check for missing docs at
> >>>>>      build time
> >>>>>      >
> >>>>>      >         While this doesn't make sense for production Kernels, in
> >>>>>      order to
> >>>>>      >         avoid regressions when documents are touched, let's add a
> >>>>>      >         check target at the make file.
> >>>>>      >
> >>>>>      >         Signed-off-by: Mauro Carvalho Chehab
> >>>>>      >     <mchehab+samsung at kernel.org
> >>>>>      <mailto:mchehab%2Bsamsung at kernel.org>
> >>>>>      <mailto:mchehab%2Bsamsung at kernel.org
> >>>>>      <mailto:mchehab%252Bsamsung at kernel.org>>>
> >>>>>      >         Signed-off-by: Jonathan Corbet <corbet at lwn.net
> >>>>>      <mailto:corbet at lwn.net>
> >>>>>      >     <mailto:corbet at lwn.net  <mailto:corbet at lwn.net>>>
> >>>>>      >
> >>>>>      >     Signed-off-by: Hongzhi.Song <hongzhi.song at windriver.com
> >>>>>      <mailto:hongzhi.song at windriver.com>
> >>>>>      >     <mailto:hongzhi.song at windriver.com
> >>>>>      <mailto:hongzhi.song at windriver.com>>>
> >>>>>      >     ---
> >>>>>      >      meta/recipes-kernel/linux/kernel-devsrc.bb
> >>>>>      <http://kernel-devsrc.bb>
> >>>>>      ><http://kernel-devsrc.bb>  | 2 +-
> >>>>>      >      1 file changed, 1 insertion(+), 1 deletion(-)
> >>>>>      >
> >>>>>      >     diff --git a/meta/recipes-kernel/linux/kernel-devsrc.bb
> >>>>>      <http://kernel-devsrc.bb>
> >>>>>      ><http://kernel-devsrc.bb>
> >>>>>      >     b/meta/recipes-kernel/linux/kernel-devsrc.bb
> >>>>>      <http://kernel-devsrc.bb>  <http://kernel-devsrc.bb>
> >>>>>      >     index 5ec5929..a874e06 100644
> >>>>>      >     --- a/meta/recipes-kernel/linux/kernel-devsrc.bb
> >>>>>      <http://kernel-devsrc.bb>
> >>>>>      ><http://kernel-devsrc.bb>
> >>>>>      >     +++ b/meta/recipes-kernel/linux/kernel-devsrc.bb
> >>>>>      <http://kernel-devsrc.bb>
> >>>>>      ><http://kernel-devsrc.bb>
> >>>>>      >     @@ -65,7 +65,7 @@ do_install() {
> >>>>>      >          )
> >>>>>      >
> >>>>>      >          # then drop all but the needed Makefiles/Kconfig files
> >>>>>      >     -    rm -rf $kerneldir/build/Documentation
> >>>>>      >     +    #rm -rf $kerneldir/build/Documentation
> >>>>>      >
> >>>>>      >
> >>>>>      > In the spirit of keeping kernel-devsrc as small as possible (I have
> >>>>>      > another patch pending if you really want the full kernel
> >>>>>      source), this
> >>>>>      > should only keep the Documentation/ files that are required to pass
> >>>>>      > the check, not keep all of Documentation.
> >>>>>
> >>>>>
> >>>>>      If you have a better patch, I am pleasure to accept it.
> >>>>>
> >>>>>
> >>>>> ???
> >>>>>
> >>>>> This is where you'd typically do a v2 of the patch after getting a
> >>>>> review of a change.
> >>>>>
> >>>>> But if you are refusing the feedback, then yes, I'll do a version of
> >>>>> the patch myself rather than just blindly copying in all of the
> >>>>> documentation. I'll submit it myself.
> >>>>>
> >>>>> RP/Ross, whoever is taking in patches, drop this version, and I'll do
> >>>>> my own.
> >>>> I am not very familiar with the kernel-devsrc.bb. I have no objection
> >>>> for your decision.
> >>> At a minimum, we shouldn't leave the commented out #rm -rf $kerneldir/build/Documentation, so I can do that and tweak the commit message a bit as well.
> >>>
> >>> Leave it with me, and I'll send it to the list (hopefully tomorrow) to be sure it still solves your problem.
> >> Aha. Now I see what is actually happening. On reading the patch, I
> >> thought you were requiring the existence of the *entire* Documentation
> >> directory, not just the Kbuild infrastructure that would be triggered
> >> if the documentation warning is enabled.
> >>
> >> I still want to change things just a bit, but I'll leave your
> >> Signed-off-by on the patch, since it won't be a structural change as I
> >> thought.
> >>
> >> But can you provide me your test steps ? Do you have a tweaked kernel
> >> config that is enabling WARN_MISSING_DOCUMENTS and COMPILE_TEST ?
>
>
> My steps:
>
> 1. git clone git://git.yoctoproject.org/poky
>
> 2. TOOLCHAIN_TARGET_TASK_append = " python-dev kernel-dev kernel-devsrc"
>
>      TOOLCHAIN_HOST_TASK_append = " nativesdk-openssl-dev
> nativesdk-bison nativesdk-flex"
>
>      >> local.conf
>
>
> 3. bitbake core-image-minimal && bitbake core-image-minimal -c populate_sdk
>
> 4.
> tmp/deploy/sdk/poky-glibc-x86_64-core-image-minimal-core2-64-qemux86-64-toolchain-2.7+snapshot.sh
>
> 5. cd [sdkdir]/
>
>      source environment-setup-core2-64-poky-linux
>
> 6. cd [sdkdir]/sysroots/core-xxx/usr/src/kernel/
>
>      make scripts
>
>
> And then you will meet the error:
>
>      scripts/kconfig/conf  --syncconfig Kconfig
>      Kconfig:34: can't open file "Documentation/Kconfig"
>
>
> My previous project has been deleted. Then I build a new poky, it looks
> like has another
>
> new error of kernel-devsrc do_install. Maybe the linux-yocto-dev is
> update recently.
>
>
> Attachment is my .config. I find WARN_MISSING_DOCUMENTS and COMPILE_TEST
> are disabled.


I've tested in with the configs on and off, and have a patch in the
series I just sent to the list (see kernel-devsrc: tweak for v5.3+),
and it should solve the issue you are seeing.

Let me know if that isn't the case.

Bruce


>
>
>
>
> > Sorry for all the email. It's late, and I'm sending before reading the code.
> >
> > I assume it is just 'make scripts' for the test and the missing Kbuild
> > is what errors. So no need to follow up.
> >
> > I'm a bit concerned that if we leave this file in devsrc AND those
> > options I mentioned are enabled that we'll run into an error with some
> > missing tools or generate a warning.
> >
> > I'll test both scenarios to make sure everything works.
>
>
> Thanks for your work.
>
> --Hongzhi
>
>
> >
> > Bruce
> >
> >> Bruce
> >>
> >>> Bruce
> >>>
> >>>> Thanks,
> >>>>
> >>>> --Hongzhi
> >>>>
> >>>>
> >>>>> Cheers,
> >>>>>
> >>>>> Bruce
> >>>>>
> >>>>>
> >>>>>      Thanks,
> >>>>>
> >>>>>      --Hongzhi
> >>>>>
> >>>>>
> >>>>>      > Bruce
> >>>>>      >
> >>>>>      >          rm -rf $kerneldir/build/scripts
> >>>>>      >          rm -rf $kerneldir/build/include
> >>>>>      >
> >>>>>      >     --
> >>>>>      >     2.8.1
> >>>>>      >
> >>>>>      >     --
> >>>>>      >     _______________________________________________
> >>>>>      >     Openembedded-core mailing list
> >>>>>      >Openembedded-core at lists.openembedded.org
> >>>>>      <mailto:Openembedded-core at lists.openembedded.org>
> >>>>>      >     <mailto:Openembedded-core at lists.openembedded.org
> >>>>>      <mailto:Openembedded-core at lists.openembedded.org>>
> >>>>>      >http://lists.openembedded.org/mailman/listinfo/openembedded-core
> >>>>>      >
> >>>>>      >
> >>>>>      >
> >>>>>      > --
> >>>>>      > - 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
> >>>>>
> >>>
> >>> --
> >>> - 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
> >



-- 
- 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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