linux-kernel - Re: [patch] cpufreq: mark cpufreq_tsc() as core_initcall

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Message-Id: <1163712457.10333.44.camel@localhost.localdomain>
Date:	Thu, 16 Nov 2006 22:27:36 +0100
From:	Thomas Gleixner <tglx@...esys.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Alan Stern <stern@...land.harvard.edu>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...l.org>,
	john stultz <johnstul@...ibm.com>,
	David Miller <davem@...emloft.net>,
	Arjan van de Ven <arjan@...radead.org>,
	Andi Kleen <ak@...e.de>
Subject: Re: [patch] cpufreq: mark cpufreq_tsc() as core_initcall_sync

On Thu, 2006-11-16 at 13:20 -0800, Andrew Morton wrote:
> >  
> > -core_initcall(cpufreq_tsc);
> > +/*
> > + * init_cpufreq_transition_notifier_list() should execute first,
> > + * which is a core_initcall, so mark this one core_initcall_sync:
> > + */
> > +core_initcall_sync(cpufreq_tsc);
> 
> Would prefer that we not use the _sync levels.  They're there as a
> synchronisation for MULTITHREAD_PROBE and might disappear at any time.

Works also fine with postcore_init, but I'm more concerned about the
delayed notification (after the actual change) which is introduced by
this srcu change.

	tglx


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