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From:   Paul Burton <paul.burton@mips.com>
To:     Geert Uytterhoeven <geert@linux-m68k.org>
CC:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>,
        Matthew Wilcox <willy@infradead.org>,
        Arnd Bergmann <arnd@arndb.de>,
        David Daney <ddaney.cavm@gmail.com>,
        Alex Vesker <valex@mellanox.com>,
        Matt Fleming <matt@codeblueprint.co.uk>
Subject: Re: Build regressions/improvements in v5.4-rc1
Thread-Topic: Build regressions/improvements in v5.4-rc1
Thread-Index: AQHVeUoMBJ4wgZGrM0q/CkOKKS1F+Q==
Date:   Wed, 2 Oct 2019 17:51:41 +0000
Message-ID: <20191002175140.b4ejnamkjiz365o2@pburton-laptop>
References: <20191002085809.16381-1-geert@linux-m68k.org>
 <CAMuHMdUHG-4=HEOspGH=-6P_nTdbR_wYnyKdyUR9+-2=r1fNkQ@mail.gmail.com>
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Hi Geert,

On Wed, Oct 02, 2019 at 11:17:26AM +0200, Geert Uytterhoeven wrote:
> > 15 error regressions:
> >   + /kisskb/build/tmp/cc1Or5dj.s: Error: can't resolve `_start' {*UND* =
section} - `L0 ' {.text section}:  =3D> 663, 1200, 222, 873, 1420
> >   + /kisskb/build/tmp/cc2uWmof.s: Error: can't resolve `_start' {*UND* =
section} - `L0 ' {.text section}:  =3D> 1213, 919, 688, 1434, 226
> >   + /kisskb/build/tmp/ccc6hBqd.s: Error: can't resolve `_start' {*UND* =
section} - `L0 ' {.text section}:  =3D> 513, 1279, 1058, 727
> >   + /kisskb/build/tmp/cclSQ19p.s: Error: can't resolve `_start' {*UND* =
section} - `L0 ' {.text section}:  =3D> 1396, 881, 1175, 671, 226
> >   + /kisskb/build/tmp/ccu3SlxY.s: Error: can't resolve `_start' {*UND* =
section} - `L0 ' {.text section}:  =3D> 1238, 911, 222, 680, 1457
>=20
> Various mips (allmodconfig, allnoconfig, malta_defconfig, ip22_defconfig)
>=20
> Related to
>=20
>     /kisskb/src/arch/mips/vdso/Makefile:61: MIPS VDSO requires binutils >=
=3D 2.25
>=20
> ?

Hmm, this looks like fallout from the conversion to the generic VDSO
infrastructure. This patch resolves it:

  https://lore.kernel.org/linux-mips/20191002174438.127127-2-paul.burton@mi=
ps.com/

> >   + /kisskb/src/arch/mips/include/asm/octeon/cvmx-ipd.h: error: 'CVMX_P=
IP_SFT_RST' undeclared (first use in this function):  =3D> 331:36
> >   + /kisskb/src/arch/mips/include/asm/octeon/cvmx-ipd.h: error: 'CVMX_P=
IP_SFT_RST' undeclared (first use in this function); did you mean 'CVMX_CIU=
_SOFT_RST'?:  =3D> 331:36
> >   + /kisskb/src/arch/mips/include/asm/octeon/cvmx-ipd.h: error: storage=
 size of 'pip_sft_rst' isn't known:  =3D> 330:27
>=20
> mips-allmodconfig (CC Matthew Wilcox)

That one's triggered by a change in the ordering of some include
directives in the drivers/staging/octeon code, and fixed by commit
0228ecf6128c ("MIPS: octeon: Include required header; fix octeon
ethernet build") in mips-next.

Thanks,
    Paul