Re: [PATCH] powerpc/shared: Fix build problem

From: Srikar Dronamraju
Date: Wed Dec 25 2019 - 22:55:19 EST


* Guenter Roeck <linux@xxxxxxxxxxxx> [2019-12-25 08:06:26]:

> Since commit 656c21d6af5d ("powerpc/shared: Use static key to detect
> shared processor") and 14c73bd344da ("powerpc/vcpu: Assume dedicated
> processors as non-preempt"), powerpc test builds may fail with the
> following build errors.
>
> ./arch/powerpc/include/asm/spinlock.h:39:1: error:
> type defaults to ???int??? in declaration of ???DECLARE_STATIC_KEY_FALSE???
> ./arch/powerpc/include/asm/spinlock.h: In function ???vcpu_is_preempted???:
> ./arch/powerpc/include/asm/spinlock.h:44:7: error:
> implicit declaration of function ???static_branch_unlikely???
> ./arch/powerpc/include/asm/spinlock.h:44:31: error:
> ???shared_processor??? undeclared
>
> The offending commits use static_branch_unlikely and shared_processor
> without adding the include file declaring it.

Thanks for reporting but same fix was already posted
http://lkml.kernel.org/r/20191223133147.129983-1-Jason@xxxxxxxxx


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Thanks and Regards
Srikar Dronamraju