linux-kernel - Re: [PATCH 02/17] [RESEND] irq_work: consolidate arch_irq_work

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Date:   Sat, 12 Aug 2023 07:10:15 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Guo Ren <guoren@...nel.org>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Russell King <linux@...linux.org.uk>,
        Will Deacon <will@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        linux-arm-kernel@...ts.infradead.org, linux-csky@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH 02/17] [RESEND] irq_work: consolidate arch_irq_work_raise prototypes

On Fri, Aug 11, 2023 at 10:00 AM Arnd Bergmann <arnd@...nel.org> wrote:
>
> From: Arnd Bergmann <arnd@...db.de>
>
> The prototype was hidden on x86, which causes a warning:


What do you mean by "hidden on x86"?

arch_irq_work_raise() was declared on 7 architectures,
including x86.




>
> kernel/irq_work.c:72:13: error: no previous prototype for 'arch_irq_work_raise' [-Werror=missing-prototypes]
>
> Fix this by providing it in only one place that is always visible.
>
> Acked-by: Catalin Marinas <catalin.marinas@....com>
> Acked-by: Palmer Dabbelt <palmer@...osinc.com>
> Acked-by: Guo Ren <guoren@...nel.org>
> Reviewed-by: Alexander Gordeev <agordeev@...ux.ibm.com>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  arch/arm/include/asm/irq_work.h     | 2 --
>  arch/arm64/include/asm/irq_work.h   | 2 --
>  arch/csky/include/asm/irq_work.h    | 2 +-
>  arch/powerpc/include/asm/irq_work.h | 1 -
>  arch/riscv/include/asm/irq_work.h   | 2 +-
>  arch/s390/include/asm/irq_work.h    | 2 --
>  arch/x86/include/asm/irq_work.h     | 1 -
>  include/linux/irq_work.h            | 3 +++
>  8 files changed, 5 insertions(+), 10 deletions(-)
>


--
Best Regards
Masahiro Yamada