linux-kernel - Re: [PATCH] x86: xen: move cpu

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Date:   Wed, 12 Oct 2016 11:29:43 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     David Vrabel <david.vrabel@...rix.com>,
        Juergen Gross <jgross@...e.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Andy Lutomirski <luto@...nel.org>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        "Luis R. Rodriguez" <mcgrof@...nel.org>,
        Borislav Petkov <bp@...e.de>,
        Stefano Stabellini <stefano.stabellini@...citrix.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: xen: move cpu_up functions out of ifdef

On 10/12/2016 11:20 AM, Arnd Bergmann wrote:
> Three newly introduced functions are not defined when CONFIG_XEN_PVHVM is
> disabled, but are still being used:
>
> arch/x86/xen/enlighten.c:141:12: warning: ‘xen_cpu_up_prepare’ used but never defined
> arch/x86/xen/enlighten.c:142:12: warning: ‘xen_cpu_up_online’ used but never defined
> arch/x86/xen/enlighten.c:143:12: warning: ‘xen_cpu_dead’ used but never defined
>
> Fixes: 4d737042d6c4 ("xen/x86: Convert to hotplug state machine")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>