linux-kernel - Re: [PATCH] x86_64 vsyscall fails to compile when CONFIG_HOTPLUG

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Message-ID: <Pine.LNX.4.64.0611241903080.8989@twin.jikos.cz>
Date:	Fri, 24 Nov 2006 19:03:59 +0100 (CET)
From:	Jiri Kosina <jikos@...os.cz>
To:	Andy Whitcroft <apw@...dowen.org>
cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86_64 vsyscall fails to compile when CONFIG_HOTPLUG_CPU
 is disabled

On Fri, 24 Nov 2006, Andy Whitcroft wrote:

> The following change attempted to fix up the notifier structure
> when CONFIG_HOTPLUG_CPU is disabled:
> It seems to leave a reference to the cpu_vsyscall_notifier which is
> not declared unles CONFIG_HOTPLUG_CPU is defined, leading to the following
> compile time error:
>   arch/x86_64/kernel/vsyscall.c:310: error: `cpu_vsyscall_notifier'
> 				  undeclared (first use in this function)
> Make the hotcpu_notifier dependant on CONFIG_HOTPLUG_CPU.

Another fix is appropriate for -mm, please see this thread: 
http://lkml.org/lkml/2006/11/23/121

-- 
Jiri Kosina
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