linux-kernel - Re: [PATCH] kernel/cpu: Move cpuhp_is_atomic_state() into #ifdef CONFIG

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Message-ID: <alpine.DEB.2.21.1803160858290.1598@nanos.tec.linutronix.de>
Date:   Fri, 16 Mar 2018 08:59:12 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Dou Liyang <douly.fnst@...fujitsu.com>
cc:     linux-kernel@...r.kernel.org, sfr@...b.auug.org.au, mingo@...e.hu,
        peterz@...radead.org, jiangshanlai@...il.com
Subject: Re: [PATCH] kernel/cpu: Move cpuhp_is_atomic_state() into #ifdef
 CONFIG_SMP

On Fri, 16 Mar 2018, Dou Liyang wrote:

> Commit 17a2f1ced028 ("cpu/hotplug: Merge cpuhp_bp_states and cpuhp_ap_states")
> removed the last use of cpuhp_is_atomic_state() in common case, that caused
> Kernel produced a warning:
> 
>   'cpuhp_is_ap_state' defined but not used
> 
> So, Move it into #ifdef CONFIG_SMP

Thanks for the patch, but a fix is already queued in the smp/hotplug
branch. It just did not make it into the for-next branch yet,

Thanks,

	tglx