linux-kernel - Re: [PATCH 09/15] irq: arm: perform irqentry in entry code

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Date:   Fri, 22 Oct 2021 16:36:02 +0100
From:   Mark Rutland <mark.rutland@....com>
To:     Vladimir Murzin <vladimir.murzin@....com>
Cc:     linux-kernel@...r.kernel.org, aou@...s.berkeley.edu,
        catalin.marinas@....com, deanbo422@...il.com, green.hu@...il.com,
        guoren@...nel.org, jonas@...thpole.se, kernelfans@...il.com,
        linux-arm-kernel@...ts.infradead.org, linux@...linux.org.uk,
        maz@...nel.org, nickhu@...estech.com, palmer@...belt.com,
        paulmck@...nel.org, paul.walmsley@...ive.com, peterz@...radead.org,
        shorne@...il.com, stefan.kristiansson@...nalahti.fi,
        tglx@...utronix.de, torvalds@...ux-foundation.org,
        tsbogend@...ha.franken.de, vgupta@...nel.org, will@...nel.org
Subject: Re: [PATCH 09/15] irq: arm: perform irqentry in entry code

On Fri, Oct 22, 2021 at 04:18:18PM +0100, Vladimir Murzin wrote:
> Hi Mark,
> 
> On 10/21/21 7:02 PM, Mark Rutland wrote:
> > +/*
> > + * TODO: restructure the ARMv7M entry logic so that this entry logic can live
> > + * in arch code.
> > + */
> > +asmlinkage void __exception_irq_entry
> > +static void nvic_handle_irq(irq_hw_number_t hwirq, struct pt_regs *regs)
> 
> I'm seeing build time failure...
> 
> drivers/irqchip/irq-nvic.c:50:8: error: two or more data types in declaration specifiers
>  static void nvic_handle_irq(irq_hw_number_t hwirq, struct pt_regs *regs)
>         ^~~~
> drivers/irqchip/irq-nvic.c:50:13: warning: 'nvic_handle_irq' defined but not used [-Wunused-function]
>  static void nvic_handle_irq(irq_hw_number_t hwirq, struct pt_regs *regs)
> 
> I've fixed that locally and planing to give it a go...

Ah, whoops. I've removed the extraneous `static void` from
nvic_handle_irq() and build tested that as part of stm32_defconfig.

The updated version is in my irq/handle-domain-irq branch at:

  git://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git

Thanks,
Mark.