linux-kernel - Re: [PATCH v2 0/4] Compile-test UAPI and kernel headers

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Date:   Fri, 28 Jun 2019 01:42:00 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Jani Nikula <jani.nikula@...ux.intel.com>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Tony Luck <tony.luck@...el.com>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        linux-riscv@...ts.infradead.org,
        Daniel Borkmann <daniel@...earbox.net>,
        xdp-newbies@...r.kernel.org, Anton Vorontsov <anton@...msg.org>,
        Palmer Dabbelt <palmer@...ive.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Colin Cross <ccross@...roid.com>,
        "David S. Miller" <davem@...emloft.net>,
        Kees Cook <keescook@...omium.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Networking <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        bpf@...r.kernel.org
Subject: Re: [PATCH v2 0/4] Compile-test UAPI and kernel headers

On Thu, Jun 27, 2019 at 8:36 PM Jani Nikula <jani.nikula@...ux.intel.com> wrote:
>
> On Thu, 27 Jun 2019, Masahiro Yamada <yamada.masahiro@...ionext.com> wrote:
> > 1/4: reworked v2.
> >
> > 2/4: fix a flaw I noticed when I was working on this series
> >
> > 3/4: maybe useful for 4/4 and in some other places
> >
> > 4/4: v2. compile as many headers as possible.
> >
> >
> > Changes in v2:
> >  - Add CONFIG_CPU_{BIG,LITTLE}_ENDIAN guard to avoid build error
> >  - Use 'header-test-' instead of 'no-header-test'
> >  - Avoid weird 'find' warning when cleaning
> >   - New patch
> >   - New patch
> >   - Add everything to test coverage, and exclude broken ones
> >   - Rename 'Makefile' to 'Kbuild'
> >   - Add CONFIG_KERNEL_HEADER_TEST option
> >
> > Masahiro Yamada (4):
> >   kbuild: compile-test UAPI headers to ensure they are self-contained
> >   kbuild: do not create wrappers for header-test-y
> >   kbuild: support header-test-pattern-y
> >   kbuild: compile-test kernel headers to ensure they are self-contained
>
> [responding here because I didn't receive the actual patch]
>
> This looks like it's doing what it's supposed to, but I ran into a bunch
> of build fails with CONFIG_OF=n. Sent a fix to one [1], but stopped at
> the next. Looks like you'll have to exclude more. And I'm pretty sure
> we'll uncover more configurations where this will fail.

Thanks for testing.

I did more compile-tests, and excluded more headers in v3.

Thanks.



-- 
Best Regards
Masahiro Yamada