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

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Date:   Mon, 11 Apr 2022 21:15:16 +0300
From:   Kalle Valo <kvalo@...nel.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     linux-kernel@...r.kernel.org, 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

Geert Uytterhoeven <geert@...ux-m68k.org> writes:

> 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

Does this commit fix it:

https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=dbc2b1764734857d68425468ffa8486e97ab89df

Or is this another issue?

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches