Message-ID: <fcdead1c-2e26-b8ca-9914-4b3718d8f6d4@gmx.de>
Date:   Mon, 15 Nov 2021 17:44:46 +0100
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Subject: Re: Build regressions/improvements in v5.16-rc1
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To:     Geert Uytterhoeven <geert@linux-m68k.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc:     Nick Terrell <terrelln@fb.com>, Rob Clark <robdclark@gmail.com>,
        "James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
        Anton Altaparmakov <anton@tuxera.com>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Sergio Paracuellos <sergio.paracuellos@gmail.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Joey Gouly <joey.gouly@arm.com>,
        Stan Skowronek <stan@corellium.com>,
        Hector Martin <marcan@marcan.st>,
        Andrey Ryabinin <ryabinin.a.a@gmail.com>,
        =?UTF-8?Q?Andr=c3=a9_Almeida?= <andrealmeid@collabora.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        Parisc List <linux-parisc@vger.kernel.org>,
        linux-arm-msm <linux-arm-msm@vger.kernel.org>,
        DRI Development <dri-devel@lists.freedesktop.org>,
        linux-ntfs-dev@lists.sourceforge.net,
        linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
        "open list:BROADCOM NVRAM DRIVER" <linux-mips@vger.kernel.org>,
        linux-pci <linux-pci@vger.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@vger.kernel.org>,
        kasan-dev <kasan-dev@googlegroups.com>
References: <20211115155105.3797527-1-geert@linux-m68k.org>
 <CAMuHMdUCsyUxaEf1Lz7+jMnur4ECwK+JoXQqmOCkRKqXdb1hTQ@mail.gmail.com>
From:   Helge Deller <deller@gmx.de>
In-Reply-To: <CAMuHMdUCsyUxaEf1Lz7+jMnur4ECwK+JoXQqmOCkRKqXdb1hTQ@mail.gmail.com>
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On 11/15/21 17:12, Geert Uytterhoeven wrote:
> On Mon, Nov 15, 2021 at 4:54 PM Geert Uytterhoeven <geert@linux-m68k.org=
> wrote:
>> Below is the list of build error/warning regressions/improvements in
>> v5.16-rc1[1] compared to v5.15[2].
>>
>> Summarized:
>>   - build errors: +20/-13
>>   - build warnings: +3/-28
>>
>> Happy fixing! ;-)
>>
>> Thanks to the linux-next team for providing the build service.
>>
>> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/fa55b7dcdc43c=
1aa1ba12bca9d2dd4318c2a0dbf/ (all 90 configs)
>> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/8bb7eca972ad5=
31c9b149c0a51ab43a417385813/ (all 90 configs)
>>
>>
>> *** ERRORS ***
>>
>> 20 error regressions:
>>   + /kisskb/src/arch/parisc/include/asm/jump_label.h: error: expected '=
:' before '__stringify':  =3D> 33:4, 18:4
>>   + /kisskb/src/arch/parisc/include/asm/jump_label.h: error: label 'l_y=
es' defined but not used [-Werror=3Dunused-label]:  =3D> 38:1, 23:1
>
>     due to static_branch_likely() in crypto/api.c
>
> parisc-allmodconfig

fixed now in the parisc for-next git tree.


>>   + /kisskb/src/drivers/gpu/drm/msm/msm_drv.h: error: "COND" redefined =
[-Werror]:  =3D> 531
>>   + /kisskb/src/lib/zstd/compress/zstd_double_fast.c: error: the frame =
size of 3252 bytes is larger than 1536 bytes [-Werror=3Dframe-larger-than=
=3D]:  =3D> 47:1
>>   + /kisskb/src/lib/zstd/compress/zstd_double_fast.c: error: the frame =
size of 3360 bytes is larger than 1536 bytes [-Werror=3Dframe-larger-than=
=3D]:  =3D> 499:1
>>   + /kisskb/src/lib/zstd/compress/zstd_double_fast.c: error: the frame =
size of 5344 bytes is larger than 1536 bytes [-Werror=3Dframe-larger-than=
=3D]:  =3D> 334:1
>>   + /kisskb/src/lib/zstd/compress/zstd_double_fast.c: error: the frame =
size of 5380 bytes is larger than 1536 bytes [-Werror=3Dframe-larger-than=
=3D]:  =3D> 354:1
>>   + /kisskb/src/lib/zstd/compress/zstd_fast.c: error: the frame size of=
 1824 bytes is larger than 1536 bytes [-Werror=3Dframe-larger-than=3D]:  =
=3D> 372:1
>>   + /kisskb/src/lib/zstd/compress/zstd_fast.c: error: the frame size of=
 2224 bytes is larger than 1536 bytes [-Werror=3Dframe-larger-than=3D]:  =
=3D> 204:1
>>   + /kisskb/src/lib/zstd/compress/zstd_fast.c: error: the frame size of=
 3800 bytes is larger than 1536 bytes [-Werror=3Dframe-larger-than=3D]:  =
=3D> 476:1
>
> parisc-allmodconfig

parisc needs much bigger frame sizes, so I'm not astonished here.
During the v5.15 cycl I increased it to 1536 (from 1280), so I'm simply te=
mpted to
increase it this time to 4096, unless someone has a better idea....

>>   + /kisskb/src/fs/ntfs/aops.c: error: the frame size of 2240 bytes is =
larger than 2048 bytes [-Werror=3Dframe-larger-than=3D]:  =3D> 1311:1
>>   + /kisskb/src/fs/ntfs/aops.c: error: the frame size of 2304 bytes is =
larger than 2048 bytes [-Werror=3Dframe-larger-than=3D]:  =3D> 1311:1
>>   + /kisskb/src/fs/ntfs/aops.c: error: the frame size of 2320 bytes is =
larger than 2048 bytes [-Werror=3Dframe-larger-than=3D]:  =3D> 1311:1
>
> powerpc-allmodconfig
>
>>   + /kisskb/src/include/linux/compiler_types.h: error: call to '__compi=
letime_assert_366' declared with attribute error: FIELD_PREP: value too la=
rge for the field:  =3D> 335:38
>
>     in drivers/pinctrl/pinctrl-apple-gpio.c
>
> arm64-allmodconfig (gcc8)
>
>>   + /kisskb/src/include/linux/fortify-string.h: error: call to '__read_=
overflow' declared with attribute error: detected read beyond size of obje=
ct (1st parameter):  =3D> 263:25, 277:17
>
>     in lib/test_kasan.c
>
> s390-all{mod,yes}config
> arm64-allmodconfig (gcc11)
>
>>   + error: modpost: "mips_cm_is64" [drivers/pci/controller/pcie-mt7621.=
ko] undefined!:  =3D> N/A
>>   + error: modpost: "mips_cm_lock_other" [drivers/pci/controller/pcie-m=
t7621.ko] undefined!:  =3D> N/A
>>   + error: modpost: "mips_cm_unlock_other" [drivers/pci/controller/pcie=
-mt7621.ko] undefined!:  =3D> N/A
>>   + error: modpost: "mips_cpc_base" [drivers/pci/controller/pcie-mt7621=
.ko] undefined!:  =3D> N/A
>>   + error: modpost: "mips_gcr_base" [drivers/pci/controller/pcie-mt7621=
.ko] undefined!:  =3D> N/A
>
> mips-allmodconfig
>
>> 3 warning regressions:
>>   + <stdin>: warning: #warning syscall futex_waitv not implemented [-Wc=
pp]:  =3D> 1559:2
>
> powerpc, m68k, mips, s390, parisc (and probably more)

Will someone update all of them at once?


Helge


>>   + arch/m68k/configs/multi_defconfig: warning: symbol value 'm' invali=
d for MCTP:  =3D> 322
>>   + arch/m68k/configs/sun3_defconfig: warning: symbol value 'm' invalid=
 for MCTP:  =3D> 295
>
> Yeah, that happens when symbols are changed from tristate to bool...
> Will be fixed in 5.17-rc1, with the next defconfig refresh.
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m=
68k.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 lik=
e that.
>                                 -- Linus Torvalds
>