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

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Message-Id: <9f295a4d-5657-4e4d-8740-eb9a56cee97d@app.fastmail.com>
Date:   Thu, 10 Aug 2023 21:15:04 +0200
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Helge Deller" <deller@....de>,
        "Christophe Leroy" <christophe.leroy@...roup.eu>,
        "Arnd Bergmann" <arnd@...nel.org>,
        "Andrew Morton" <akpm@...ux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     "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>,
        "Brian Cain" <bcain@...cinc.com>,
        "Huacai Chen" <chenhuacai@...nel.org>,
        "WANG Xuerui" <kernel@...0n.name>,
        "Geert Uytterhoeven" <geert@...ux-m68k.org>,
        "Michal Simek" <monstr@...str.eu>,
        "Thomas Bogendoerfer" <tsbogend@...ha.franken.de>,
        "Dinh Nguyen" <dinguyen@...nel.org>,
        "Jonas Bonn" <jonas@...thpole.se>,
        "Stafford Horne" <shorne@...il.com>,
        "James E . J . Bottomley" <James.Bottomley@...senPartnership.com>,
        "Michael Ellerman" <mpe@...erman.id.au>,
        "Palmer Dabbelt" <palmer@...belt.com>,
        "Heiko Carstens" <hca@...ux.ibm.com>,
        "John Paul Adrian Glaubitz" <glaubitz@...sik.fu-berlin.de>,
        "x86@...nel.org" <x86@...nel.org>,
        "Borislav Petkov" <bp@...en8.de>,
        "Nathan Chancellor" <nathan@...nel.org>,
        "Nick Desaulniers" <ndesaulniers@...gle.com>,
        "Guenter Roeck" <linux@...ck-us.net>,
        "Stephen Rothwell" <sfr@...b.auug.org.au>,
        linux-next <linux-next@...r.kernel.org>,
        "linux-alpha@...r.kernel.org" <linux-alpha@...r.kernel.org>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-csky@...r.kernel.org" <linux-csky@...r.kernel.org>,
        "linux-hexagon@...r.kernel.org" <linux-hexagon@...r.kernel.org>,
        "linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
        "loongarch@...ts.linux.dev" <loongarch@...ts.linux.dev>,
        "linux-m68k@...ts.linux-m68k.org" <linux-m68k@...ts.linux-m68k.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        "linux-openrisc@...r.kernel.org" <linux-openrisc@...r.kernel.org>,
        "sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>,
        "Richard Henderson" <richard.henderson@...aro.org>,
        "Ivan Kokshaysky" <ink@...assic.park.msu.ru>,
        "Stefan Kristiansson" <stefan.kristiansson@...nalahti.fi>,
        "Yoshinori Sato" <ysato@...rs.sourceforge.jp>,
        "Rich Felker" <dalias@...c.org>,
        "David S . Miller" <davem@...emloft.net>,
        "Chris Zankel" <chris@...kel.net>,
        "Max Filippov" <jcmvbkbc@...il.com>,
        "Christian Brauner" <brauner@...nel.org>,
        "Paul Walmsley" <paul.walmsley@...ive.com>,
        "Albert Ou" <aou@...s.berkeley.edu>,
        "Youling Tang" <tangyouling@...ngson.cn>,
        "Tiezhu Yang" <yangtiezhu@...ngson.cn>,
        "Masahiro Yamada" <masahiroy@...nel.org>,
        "Randy Dunlap" <rdunlap@...radead.org>,
        "Masami Hiramatsu" <mhiramat@...nel.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        "Miguel Ojeda" <ojeda@...nel.org>,
        "Zhen Lei" <thunder.leizhen@...wei.com>,
        "Xin Li" <xin3.li@...el.com>, "Nhat Pham" <nphamcs@...il.com>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        Marc Aurèle La France <tsi@...oix.net>,
        "Johannes Weiner" <hannes@...xchg.org>,
        "linux-parisc@...r.kernel.org" <linux-parisc@...r.kernel.org>,
        "linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH 16/17] [RFC] arch: turn -Wmissing-prototypes off conditionally

On Thu, Aug 10, 2023, at 17:59, Helge Deller wrote:
> On 8/10/23 17:21, Arnd Bergmann wrote:
>> On Thu, Aug 10, 2023, at 16:59, Christophe Leroy wrote:
>>
>> I did send other fixes for microblaze and parisc specific drivers,
>> and I could also send patches for the two defconfig warnings if
>> the maintainers are happy with fixing those but leaving allmodconfig
>> to still warn, but I feel that it's easier for them to just
>> do the last fixes themselves and then remove my hack again.
>>
>> I'll wait for Michal and Helge on these.
>
> Arnd, I like your patch!
> For parisc I've done quite some work during the last few weeks to
> get such warnings sqeezed out, so please drop the hunk for parisc from
> your patch. My plan is to become warning-free before 6.5-final.
>
> This last one:
>      arch/parisc/lib/ucmpdi2.c:12:5: error: no previous prototype for 
> '__ucmpdi2' [-Werror=missing-prototypes]
> I'll take care in the parisc for-next tree.

Sounds good to me, thanks!

     Arnd