linux-kernel - Re: linux-next: build warning after merge of the pm tree

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Date:   Wed, 31 Mar 2021 08:22:54 +0200
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: linux-next: build warning after merge of the pm tree

Stephen Rothwell <sfr@...b.auug.org.au> writes:

> Hi all,
>
> After merging the pm tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
>
> drivers/acpi/processor_idle.c: In function 'acpi_idle_play_dead':
> drivers/acpi/processor_idle.c:542:15: warning: extra tokens at end of #ifdef directive
>   542 | #ifdef defined(CONFIG_X86) && defined(CONFIG_HOTPLUG_CPU)
>       |               ^
>

Sigh, smaller the patch, more iterations it will take to make it
right....

Rafael,

something went wrong when you folded in my "[PATCH] ACPI: processor: Fix
build when !CONFIG_HOTPLUG_CPU" here. This line should be:

#if defined(CONFIG_X86) && defined(CONFIG_HOTPLUG_CPU)

(not #ifdef defined ...)

> Introduced by commit
>
>   bc5706eaeae0 ("ACPI: processor: Fix CPU0 wakeup in acpi_idle_play_dead()")


-- 
Vitaly