linux-kernel - Re: [PATCH 16/17] [RFC] arch: turn -Wmissing-prototypes off conditionally

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Date:   Sat, 12 Aug 2023 10:02:07 +0200
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Stafford Horne" <shorne@...il.com>,
        "Arnd Bergmann" <arnd@...nel.org>
Cc:     "Andrew Morton" <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, "Matt Turner" <mattst88@...il.com>,
        "Vineet Gupta" <vgupta@...nel.org>,
        "Russell King" <linux@...linux.org.uk>,
        "Catalin Marinas" <catalin.marinas@....com>,
        "Will Deacon" <will@...nel.org>, guoren <guoren@...nel.org>,
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        "Huacai Chen" <chenhuacai@...nel.org>,
        "WANG Xuerui" <kernel@...0n.name>,
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Subject: Re: [PATCH 16/17] [RFC] arch: turn -Wmissing-prototypes off conditionally

On Fri, Aug 11, 2023, at 22:09, Stafford Horne wrote:
> On Thu, Aug 10, 2023 at 04:19:34PM +0200, Arnd Bergmann wrote:
>> From: Arnd Bergmann <arnd@...db.de>

>> arch/openrisc/mm/fault.c:44:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes]
>> arch/openrisc/mm/tlb.c:188:13: error: no previous prototype for 'tlb_init' [-Werror=missing-prototypes]
>
> I'll try to get these fixed for 6.6.  I was looking at them recently but did not
> actually make any changes and just put on my TODO.  Your series moves it up in
> priority and it should be easy to get the fixes out.

Thanks!

Since we already have the majority of architecture maintainers stepping
in to fix the warnings, I wonder if I should just drop my patch 16/17
completely and let the others handle it as well rather than shutting up
the warnings. Only the asm-offsets change is really needed to compile
test most of the kernel even with CONFIG_WERROR, and without that this
is just some harmless output.

    Arnd