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

[Marc Zyngier]

On 2020-10-15 15:23, Thomas Gleixner wrote:
> On Thu, Oct 15 2020 at 12:12, Pavel Machek wrote:
>
> Cc+ Marc

Thanks Thomas.

> > 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.

> >   CC      net/devres.o
> >   kernel/irq/ipi.c: In function ‘irq_reserve_ipi’:
> >   kernel/irq/ipi.c:84:9: error: implicit declaration of function
> >   ‘__irq_domain_alloc_irqs’; did you mean ‘irq_domain_alloc_irqs’?
> >   [-Werror=implicit-function-declaration]
> >     virq = __irq_domain_alloc_irqs(domain, virq, nr_irqs,
> >   NUMA_NO_NODE,
> >            ^~~~~~~~~~~~~~~~~~~~~~~
> > 	            irq_domain_alloc_irqs
> > 		    cc1: some warnings being treated as errors
> > 		    make[2]: *** [scripts/Makefile.build:283:
> >   kernel/irq/ipi.o] Error 1
>
> That probably comes from the ipi as irq rework for arm/arm64.

Most probably.

Pawel, can you please stash your config somewhere where I can get it?

Thanks,

        M.
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