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SubjectRe: Build regressions/improvements in v5.19-rc1
On Mon, 6 Jun 2022, Geert Uytterhoeven wrote:
> Below is the list of build error/warning regressions/improvements in
> v5.19-rc1[1] compared to v5.18[2].
>
> Summarized:
> - build errors: +9/-10

> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/f2906aa863381afb0015a9eb7fefad885d4e5a56/ (all 135 configs)
> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/4b0986a3613c92f4ec1bdc7f60ec66fea135991f/ (131 out of 135 configs)

> 9 error regressions:
> + /kisskb/src/arch/um/include/asm/page.h: error: too few arguments to function 'to_phys': => 105:20
> + /kisskb/src/drivers/nvdimm/pmem.c: error: conflicting types for 'to_phys': => 48:20
> + /kisskb/src/drivers/nvdimm/pmem.c: error: control reaches end of non-void function [-Werror=return-type]: => 324:1

um-x86_64/um-allyesconfig

> + /kisskb/src/arch/xtensa/kernel/entry.S: Error: unknown pseudo-op: `.bss': => 2176

xtensa-gcc11/xtensa-allmodconfig

> + /kisskb/src/drivers/tty/serial/sh-sci.c: error: unused variable 'sport' [-Werror=unused-variable]: => 2655:26

sh4-gcc11/se7619_defconfig
sh4-gcc11/sh-allmodconfig

Fix available
https://lore.kernel.org/all/4ed0a7a0d3fa912a5b44c451884818f2c138ef42.1644914600.git.geert+renesas@glider.be

> + /kisskb/src/include/linux/fortify-string.h: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning]: => 344:25

powerpc-gcc11/ppc64_book3e_allmodconfig

> + /kisskb/src/include/ufs/ufshci.h: error: initializer element is not constant: => 245:36

mipsel-gcc5/mips-allmodconfig
powerpc-gcc5/powerpc-allmodconfig

FTR, include/ufs/ufshci.h lacks a MAINTAINERS entry.

> + error: relocation truncated to fit: R_SPARC_WDISP22 against `.init.text': => (.head.text+0x5100), (.head.text+0x5040)
> + error: relocation truncated to fit: R_SPARC_WDISP22 against symbol `leon_smp_cpu_startup' defined in .text section in arch/sparc/kernel/trampoline_32.o: => (.init.text+0xa4)

sparc64-gcc5/sparc-allmodconfig

> 3 warning regressions:

> + arch/m68k/configs/multi_defconfig: warning: symbol value 'm' invalid for ZPOOL: => 61
> + arch/m68k/configs/sun3_defconfig: warning: symbol value 'm' invalid for ZPOOL: => 37

Will be fixed by the m68k defconfig update for v5.20.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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

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