linux-kernel - Re: [PATCH] Fix CONFIG_CLOCKSOURCE

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Message-ID: <alpine.LFD.2.02.1204181342560.2542@ionos>
Date:	Wed, 18 Apr 2012 13:44:17 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Prarit Bhargava <prarit@...hat.com>
cc:	linux-kernel@...r.kernel.org, John Stultz <johnstul@...ibm.com>
Subject: Re: [PATCH] Fix CONFIG_CLOCKSOURCE_WATCHDOG=n compile

On Wed, 11 Apr 2012, Prarit Bhargava wrote:

> Noticed this while debugging -- compile fails with
> 
> arch/x86/built-in.o: In function `mark_tsc_unstable':
> /home/linux-2.6/arch/x86/kernel/tsc.c:791: undefined reference to
> `clocksource_mark_unstable'
> make: *** [.tmp_vmlinux1] Error 1
> 
> Add in an empty function for the !CONFIG_CLOCKSOURCE_WATCHDOG case.

CONFIG_CLOCKSOURCE_WATCHDOG for x86 is always 'y', so what's the point?
 
Thanks,

	tglx
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