Subject: Re: [PATCH] powerpc: powernv: Fix build error on const discarding

From: Michael Ellerman <[email-masked]>
Date: Thu, 17 Aug 2017 22:52:11 +1000

Corentin Labbe <[email-masked]> writes:

> When building a random powerpc kernel I hit this build error:
>   CC      arch/powerpc/platforms/powernv/opal-imc.o
> arch/powerpc/platforms/powernv/opal-imc.c: In function « disable_nest_pmu_counters »:
> arch/powerpc/platforms/powernv/opal-imc.c:130:13: error : assignment discards « const » qualifier from pointer target type [-Werror=discarded-qualifiers]
>    l_cpumask = cpumask_of_node(nid);
>              ^
> This patch simply add const to l_cpumask to fix this issue.

Thanks. I'm not sure why we haven't seen that.

Do you mind attaching your .config ?

cheers