linux-kernel - Re: Build regressions/improvements in v5.18-rc2

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Message-ID: <CAMuHMdUgdPBTwg8LN8x_sZRWWzdE9ZKytZuAna+qdKL1Ced5Vw@mail.gmail.com>
Date:   Tue, 12 Apr 2022 09:09:59 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Kalle Valo <kvalo@...nel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Felix Fietkau <nbd@....name>,
        Lorenzo Bianconi <lorenzo.bianconi83@...il.com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        sparclinux <sparclinux@...r.kernel.org>,
        linux-wireless <linux-wireless@...r.kernel.org>
Subject: Re: Build regressions/improvements in v5.18-rc2

Hi Kalle,

On Mon, Apr 11, 2022 at 8:15 PM Kalle Valo <kvalo@...nel.org> wrote:
> Geert Uytterhoeven <geert@...ux-m68k.org> writes:
> > On Mon, 11 Apr 2022, Geert Uytterhoeven wrote:
> >> JFYI, when comparing v5.18-rc2[1] to v5.18-rc1[3], the summaries are:

> >   + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_491' declared with attribute error: FIELD_PREP: mask is not constant:  => 352:38
> >   + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_520' declared with attribute error: FIELD_PREP: mask is not constant:  => 352:38
> >
> > mipsel/mips-allmodconfig
> > arm64-gcc5.4/arm64-allmodconfig
> >
> > Actual error is:
> >
> >     /kisskb/src/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c: In function 'mt76x2e_probe':
> >     /kisskb/src/include/linux/compiler_types.h:352:38: error: call to '__compiletime_assert_520' declared with attribute error: FIELD_PREP: mask is not constant
>
> Does this commit fix it:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=dbc2b1764734857d68425468ffa8486e97ab89df
>
> Or is this another issue?

I'm not in a position to verify this, but given both configs used gcc-5,
I assume this will fix the issue.

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds