Re: [PATCH] powerpc/irq: Fix build with CONFIG_PROC_FS=n

[Shrikanth Hegde]

On 10/24/26 5:39 AM, Ritesh Harjani (IBM) wrote:
> Sasha Levin <sashal@xxxxxxxxxx> writes:
>
> > Commit fbb22ceaaf8f ("powerpc/irq: Make irqstats array based") made
> > arch_show_interrupts() call irq_proc_emit_counts(). That function lives
> > in kernel/irq/proc.c, which is only built with CONFIG_PROC_FS, so
> > kernels without procfs no longer link:
> >
> >    powerpc64-linux-ld: arch/powerpc/kernel/irq.o: in function `arch_show_interrupts':
> >    arch/powerpc/kernel/irq.c:134:(.text+0x4b8c): undefined reference to `irq_proc_emit_counts'
> >
> > arch_show_interrupts() is only called from irq_seq_show(), which is in
> > kernel/irq/proc.c as well, so build it only with CONFIG_PROC_FS, as x86
> > already does.
> >
> > Fixes: fbb22ceaaf8f ("powerpc/irq: Make irqstats array based")
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > Closes: https://lore.kernel.org/oe-kbuild-all/202609271531.8kf2NTjK-lkp@xxxxxxxxx/
>
> Looks like it still slipped through.
well, fix was posted a day after the report but was never picked up.

See the fix posted here.
https://lore.kernel.org/all/20260930072329.1110379-1-sshegde@xxxxxxxxxxxxx/

Diff is same. Since it made into linus tree already, all is well.