linux-kernel - Re: landlock: fs_test: fs_test.c:4524:9: error: initializer element is not a compile-time constant

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Message-ID: <CAKwvOd=B3na1Dsg7ATqRa7rwD030SVd6tR6G555Y6Q7t-8yLaw@mail.gmail.com>
Date:   Mon, 21 Aug 2023 11:10:16 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     clang-built-linux <llvm@...ts.linux.dev>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, linux-fsdevel@...r.kernel.org,
        lkft-triage@...ts.linaro.org, Shuah Khan <shuah@...nel.org>,
        Anders Roxell <anders.roxell@...aro.org>,
        Mickaël Salaün <mic@...ikod.net>,
        Richard Weinberger <richard@....at>
Subject: Re: landlock: fs_test: fs_test.c:4524:9: error: initializer element
 is not a compile-time constant

On Mon, Aug 21, 2023 at 7:20 AM Naresh Kamboju
<naresh.kamboju@...aro.org> wrote:
>
> On Fri, 18 Aug 2023 at 10:48, Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
> >
> > On Thu, 17 Aug 2023 at 21:24, Nick Desaulniers <ndesaulniers@...gle.com> wrote:
> > >
> > > On Thu, Aug 17, 2023 at 3:51 AM Naresh Kamboju
> > > <naresh.kamboju@...aro.org> wrote:
> > > >
> > > > While building selftests landlock following warnings / errors noticed on the
> > > > Linux next with clang-17.
> > > >
> > > > Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> > > >
> > > > Build errors:
> > > > ------------
> > > > landlock/fs_test
> > > > fs_test.c:4524:9: error: initializer element is not a compile-time constant
> > >
> > > Hi Naresh,
> > > Can you tell me more about your specific version of clang-17?
> >
> >     compiler:
> >         name: clang,
> >         version: 17.0.0,
> >         version_full: Debian clang version 17.0.0
> > (++20230725053429+d0b54bb50e51-1~exp1~20230725173444.1)

Ok, decoding that we have 2023-07-25...

> >
> > >
> > > I believe a fix of mine to clang should address this. It landed in
> > > clang-18, and was backported to clang-17 recently.
> > > https://github.com/llvm/llvm-project-release-prs/commit/0b2d5b967d98375793897295d651f58f6fbd3034

And the backport (that sha above) landed 2023-08-03 so that checks
out.  So yes, the initial report was missing the fix that landed more
recently.

> > >
> > > I suspect your clang-17 might need a rebuild.  Thanks for the report.
> >
> > I will rebuild / re-test and confirm soon.
>
> LKFT team re-built containers and I have re-tested the builds
> and reported build issues has been fixed.
>
> Thank you !

Awesome, thanks for the report and retesting to confirm.

>
> Best regards
> Naresh Kamboju



-- 
Thanks,
~Nick Desaulniers