linux-kernel - Re: [PATCH] microcode: Fix mc_cpu

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Date:	Wed, 20 Dec 2006 16:49:09 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Tigran Aivazian <tigran@...azian.fsnet.co.uk>
Cc:	Jean Delvare <khali@...ux-fr.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] microcode: Fix mc_cpu_notifier section warning

On Tue, 19 Dec 2006 09:10:25 +0000 (GMT)
Tigran Aivazian <tigran@...azian.fsnet.co.uk> wrote:

> Hi Jean,
> 
> On Tue, 19 Dec 2006, Jean Delvare wrote:
> > I don't see anything in arch/i386/kernel/microcode.c depending on
> > CONFIG_HOTPLUG_CPU (in 2.6.20-rc1), sorry.
> 
> I run 2.6.19.1 and there both mc_cpu_notifier (which your patch modified) 
> and mc_cpu_callback (which uses mc_cpu_notifier) are inside #ifdef 
> CONFIG_HOTPLUG_CPU.

Yes, we now compile this code unconditionally and rely upon the linker to
throw it away.

Allegedly, this works.  How toolchain-version-dependent it is I don't know.
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