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List:       linux-sh
Subject:    Re: Build regressions/improvements in v6.8-rc1
From:       "Arnd Bergmann" <arnd () arndb ! de>
Date:       2024-01-23 14:21:14
Message-ID: 0229fa60-2d87-4b1c-b9f0-6f04c6e4dbdd () app ! fastmail ! com
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On Tue, Jan 23, 2024, at 12:45, Geert Uytterhoeven wrote:

> > 68 error regressions:
> 
> > + /kisskb/src/arch/powerpc/sysdev/udbg_memcons.c: error: no previous prototype \
> > for 'memcons_getc' [-Werror=missing-prototypes]:  => 80:5 + \
> > /kisskb/src/arch/powerpc/sysdev/udbg_memcons.c: error: no previous prototype for \
> > 'memcons_getc_poll' [-Werror=missing-prototypes]:  => 57:5 + \
> > /kisskb/src/arch/powerpc/sysdev/udbg_memcons.c: error: no previous prototype for \
> > 'memcons_putc' [-Werror=missing-prototypes]:  => 44:6
> 
> powerpc-gcc{5,12,13}/ppc64_book3e_allmodconfig

I now sent patches for powerpc booke warnings

> > + /kisskb/src/arch/sh/kernel/cpu/init.c: error: no previous prototype for \
> > 'l2_cache_init' [-Werror=missing-prototypes]:  => 99:29
> 
> sh4-gcc1[123]/se7{619,750}_defconfig
> sh4-gcc1[123]/sh-{all{mod,no,yes},def}config
> sh4-gcc11/sh-allnoconfig

I assume the sh maintainers will eventually get to that

> > + /kisskb/src/arch/sparc/include/asm/floppy_64.h: error: no previous prototype \
> > for 'sparc_floppy_irq' [-Werror=missing-prototypes]:  => 200:13 + \
> > /kisskb/src/arch/sparc/include/asm/floppy_64.h: error: no previous prototype for \
> > 'sun_pci_fd_dma_callback' [-Werror=missing-prototypes]:  => 437:6
> 
> sparc64-gcc{5,11,12,13}/sparc64-allmodconfig

Andrew Morton did a patch for the sparc warnings, and Andreas Larsson
is joining as a maintainer, so hopefully he can pick that up soon.
> sparc64-gcc{5,1[123]}/sparc64-allmodconfig
> 
> > + /kisskb/src/arch/sparc/vdso/vclock_gettime.c: error: no previous prototype for \
> > '__vdso_clock_gettime' [-Werror=missing-prototypes]:  => 254:1 + \
> > /kisskb/src/arch/sparc/vdso/vclock_gettime.c: error: no previous prototype for \
> > '__vdso_clock_gettime_stick' [-Werror=missing-prototypes]:  => 282:1 + \
> > /kisskb/src/arch/sparc/vdso/vclock_gettime.c: error: no previous prototype 

There are prototypes in include/vdso/gettime.h that should be
used here, but unfortunately the sparc implementation does
not match the prototypes because sparc is missing the gettime64
support.

> sparc64-gcc{5,12,13}/sparc64-{allno,def}config
> sparc64-gcc11/sparc64-{all{mod,no},def}config
> 
> > + /kisskb/src/arch/x86/um/shared/sysdep/kernel-offsets.h: error: no previous \
> > prototype for ‘foo' [-Werror=missing-prototypes]:  => 9:6
> 
> um-x86_64-gcc12/um-{all{mod,yes},def}config

I made a patch for arch/um yesterday.

> sparc64-gcc1[12]/sparc64-allmodconfig
> 
> > + /kisskb/src/drivers/scsi/mpi3mr/mpi3mr_transport.c: error: the frame size of \
> > 1680 bytes is larger than 1536 bytes [-Werror=frame-larger-than=]:  => 1818:1

I sent a patch in November when the regression started, missed
the reply about needing another change
https://lore.kernel.org/all/CAFdVvOxH4UQjww4124E2ttuTgknzkHoPxVSFOQgLfoV_dkANwQ@mail.gmail.com/


> > + {standard input}: Error: displacement to undefined symbol .L105 overflows 8-bit \
> > field :  => 590, 593 + {standard input}: Error: displacement to undefined symbol \
> > .L135 overflows 8-bit field :  => 603 + {standard input}: Error: displacement to \
> > undefined symbol .L140 overflows 8-bit field :  => 606 + {standard input}: Error: \
> > displacement to undefined symbol .L76 overflows 12-bit field:  => 591, 594 + \
> > {standard input}: Error: displacement to undefined symbol .L77 overflows 8-bit \
> > field : 607 => 607, 582, 585 + {standard input}: Error: displacement to undefined \
> > symbol .L97 overflows 12-bit field:  => 607 + {standard input}: Error: pcrel too \
> > far: 604, 590, 577, 593, 572, 569, 598, 599, 596, 610 => 610, 574, 599, 569, 598, \
> > 596, 601, 590, 604, 595, 572, 577, 593
> 
> SH ICE crickets

Linus did a patch for the syscall, and I sent another one for
arch/sh to prevent this from happening again:

https://lore.kernel.org/all/CAHk-=wjh6Cypo8WC-McXgSzCaou3UXccxB+7PVeSuGR8AjCphg@mail.gmail.com/
 https://lore.kernel.org/all/07d8877b-d933-46f4-8ca4-c10ed602f37e@app.fastmail.com/

Resent mine now.

      Arnd


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