linux-kernel - Re: 5.10-rc0: build error in ipi.c

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Message-ID: <20201015202652.GA21085@duo.ucw.cz>
Date:   Thu, 15 Oct 2020 22:26:52 +0200
From:   Pavel Machek <pavel@....cz>
To:     Marc Zyngier <maz@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        kernel list <linux-kernel@...r.kernel.org>
Subject: Re: 5.10-rc0: build error in ipi.c

On Thu 2020-10-15 20:41:32, Marc Zyngier wrote:
> On 2020-10-15 18:18, Pavel Machek wrote:
> > Hi!
> > 
> > > > > I'm getting build problems in 5.10-rc0 in config for n900. ARM board.
> > > > >
> > > > > CONFIG_SMP=y
> > > > > CONFIG_SMP_ON_UP=y
> > > 
> > > On its own, this doesn't break anything with multi_v7_defconfig.
> > 
> > I sent config off-list. Let me know if it does not arrive or if you
> > need more info.
> 
> Try this for size:
> 
> diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
> index 10a5aff4eecc..db923e0da162 100644
> --- a/kernel/irq/Kconfig
> +++ b/kernel/irq/Kconfig
> @@ -81,6 +81,7 @@ config IRQ_FASTEOI_HIERARCHY_HANDLERS
> 
>  # Generic IRQ IPI support
>  config GENERIC_IRQ_IPI
> +	select IRQ_DOMAIN_HIERARCHY
>  	bool
> 
>  # Generic MSI interrupt support
> 

My OCD prevents me from doing that! :-)...

select needs to be moved line below, for consistency. And yes, this
fixes it for me.

Tested-by: Pavel Machek <pavel@....cz>
							Pavel
-- 
http://www.livejournal.com/~pavelmachek

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