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

From: Kalle Valo
Date: Mon Apr 11 2022 - 14:15:28 EST


Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> 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?

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