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

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Message-ID: <alpine.DEB.2.22.394.2204111240560.38484@ramsan.of.borg>
Date:   Mon, 11 Apr 2022 12:42:07 +0200 (CEST)
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     linux-kernel@...r.kernel.org
cc:     Felix Fietkau <nbd@....name>,
        Lorenzo Bianconi <lorenzo.bianconi83@...il.com>,
        Ryder Lee <ryder.lee@...iatek.com>, sparclinux@...r.kernel.org,
        linux-wireless@...r.kernel.org
Subject: Re: Build regressions/improvements in v5.18-rc2

On Mon, 11 Apr 2022, Geert Uytterhoeven wrote:
> JFYI, when comparing v5.18-rc2[1] to v5.18-rc1[3], the summaries are:
>  - build warnings: +23/-0

   + /kisskb/src/arch/sparc/include/asm/cacheflush_32.h: error: 'struct page' declared inside parameter list [-Werror]:  => 38:37
   + /kisskb/src/arch/sparc/include/asm/cacheflush_32.h: error: its scope is only this definition or declaration, which is probably not what you want [-Werror]:  => 38:37

sparc64/sparc-allmodconfig

   + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(long unsigned int)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1639:13, 1756:13
   + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(struct mm_struct *)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1662:29, 1674:29
   + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(struct mm_struct *, long unsigned int)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1767:21
   + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(struct vm_area_struct *, long unsigned int)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1741:29, 1726:29
   + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(struct vm_area_struct *, long unsigned int,  long unsigned int)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1711:29, 1694:29

sparc64-gcc11/sparc-allmodconfig

   + /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

> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/ce522ba9ef7e2d9fb22a39eb3371c0c64e2a433e/ (all 96 configs)
> [3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/3123109284176b1532874591f7c81f3837bbdc17/ (all 96 configs)

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