linux-kernel - Re: [PATCH 00/15] arm64: address -Wmissing-prototype warnings

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Date:   Thu, 25 May 2023 19:25:22 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Ard Biesheuvel <ardb@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Kees Cook <keescook@...omium.org>,
        Suren Baghdasaryan <surenb@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-efi@...r.kernel.org, kvmarm@...ts.linux.dev
Subject: Re: [PATCH 00/15] arm64: address -Wmissing-prototype warnings

On Tue, 16 May 2023 18:06:27 +0200, Arnd Bergmann wrote:
> This addresses all arm64 specific protype warnings. As with the arm32
> patches, the majority of them  should be straightforward, either adding
> an #include statement to get the right header, or ensuring that an unused
> global function is left out of the build when the prototype is hidden.
> 
> The ones that are a bit awkward are those that just add a prototype to
> shut up the warning, but the prototypes are never used for calling the
> function because the only caller is in assembler code. I tried to come
> up with other ways to shut up the compiler, and ideally this would be
> triggered by the 'asmlinkage' keyword as Ard suggested in the past, but
> I could not come up with a way to do this.
> 
> [...]

Applied to arm64 (for-next/missing-proto-warn), thanks!

[01/15] arm64: xor-neon: mark xor_arm64_neon_*() static
        https://git.kernel.org/arm64/c/320a93d4df48
[02/15] arm64: add scs_patch_vmlinux prototype
        https://git.kernel.org/arm64/c/aea197160d74
[03/15] arm64: avoid prototype warnings for syscalls
        https://git.kernel.org/arm64/c/6ac19f96515e
[04/15] arm64: move cpu_suspend_set_dbg_restorer() prototype to header
        https://git.kernel.org/arm64/c/ec3a3db7100d
[05/15] arm64: spectre: provide prototypes for internal functions
        https://git.kernel.org/arm64/c/010089e9d3fe
[06/15] arm64: kvm: add prototypes for functions called in asm
        https://git.kernel.org/arm64/c/05d557a5cf59
[07/15] arm64: cpuidle: fix #ifdef for acpi functions
        https://git.kernel.org/arm64/c/68a879b55346
[08/15] arm64: efi: add efi_handle_corrupted_x18 prototype
        https://git.kernel.org/arm64/c/fbc0cd6f6044
[09/15] arm64: hide unused is_valid_bugaddr()
        https://git.kernel.org/arm64/c/b925b4314c91
[10/15] arm64: module-plts: inline linux/moduleloader.h
        https://git.kernel.org/arm64/c/60a0aab7463e
[11/15] arm64: flush: include linux/libnvdimm.h
        https://git.kernel.org/arm64/c/1a1183938946
[12/15] arm64: kaslr: add kaslr_early_init() declaration
        https://git.kernel.org/arm64/c/a7f5cb606e99
[13/15] arm64: signal: include asm/exception.h
        https://git.kernel.org/arm64/c/8ada7aab02ee
[14/15] arm64: move early_brk64 prototype to header
        https://git.kernel.org/arm64/c/e13d32e99264
[15/15] arm64: add alt_cb_patch_nops prototype
        https://git.kernel.org/arm64/c/c152aed4dcc2

-- 
Catalin