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SubjectRe: [GIT PULL] Kbuild fixes for v5.19-rc4
On Sat, Jun 25, 2022 at 3:16 PM Masahiro Yamada <masahiroy@kernel.org> wrote:
>
> Please pull a couple of Kbuild fixes.

Masahiro, I already complained about this once:

Section mismatch in reference from the variable .. declared __init

and now you re-introduced this sneakily by just putting it in another place.

I told you last time that you need to *FIX* these things before adding
the warning, instead of adding a warning and then waiting for others
to fix them.

Yes, it's fixing an earlier mistake, but that earlier mistake is over
a decade old by now.

Now, the only warning that seems to show up for me is about
tick_nohz_full_setup. Which is only called from housekeeping_setup()
in kernel/sched/isolation.c if I grepped correctly.

And that seems only ever built-in as far as I can tell, so the whole
export seems pointless, and the fix is presumably to remove the
export_SYMBOL_GPL entirely.

So it seems fixable.

But I'm upset about this sneaking in when we _talked_ about this issue earlier.

Paul - that export was added by commit ae9e557b5be2 ("time: Export
tick start/stop functions for rcutorture"), and it seems to have been
bogus even at that time.

Linus

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