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From: Thomas Gleixner <tglx@linutronix.de>
To: Andi Kleen <andi@firstfloor.org>
Cc: Eduard-Gabriel Munteanu <eduard.munteanu@linux360.ro>,
	LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] Option to disable AMD C1E (allows dynticks to work)
Date: Fri, 14 Dec 2007 20:57:14 +0100 (CET)	[thread overview]
Message-ID: <alpine.LFD.0.99999.0712142053400.3668@localhost.localdomain> (raw)
In-Reply-To: <20071214181233.GB16351@one.firstfloor.org>

On Fri, 14 Dec 2007, Andi Kleen wrote:

> > magically in the SMM code. To work around this is we would need to add
> > the broadcast notification to the halt(), safe_halt(), pm_idle_halt()
> > variants which float around in the kernel and make this conditional on
> > the C1E detection. That's nasty, but it seems the only solution for
> > now.
> 
> On 64bit it would be easy using the idle notifiers. Perhaps they need
> to be extended to pass in the sleep state though.

Well, that would interfere with the acpi-idle code.

Anyway the idle notifiers is a pretty artificial interface which is on
my get rid of it list anyway.

Thanks,

	tglx


  reply	other threads:[~2007-12-14 19:57 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-13 22:44 Eduard-Gabriel Munteanu
2007-12-13 22:33 ` Andi Kleen
2007-12-14 12:39   ` Eduard-Gabriel Munteanu
2007-12-14 10:17     ` Andi Kleen
2007-12-14 13:41       ` Eduard-Gabriel Munteanu
2007-12-14 12:20         ` Andi Kleen
2007-12-14 16:01           ` Eduard-Gabriel Munteanu
2007-12-14 18:07             ` Thomas Gleixner
2007-12-14 18:12               ` Andi Kleen
2007-12-14 19:57                 ` Thomas Gleixner [this message]
2007-12-14 20:06                   ` Andi Kleen
2007-12-14 19:58                 ` Eduard-Gabriel Munteanu
2007-12-14 18:10             ` Andi Kleen
2007-12-14 19:53               ` Thomas Gleixner
2007-12-14 22:35       ` Chuck Ebbert
2007-12-15  0:10         ` Eduard-Gabriel Munteanu
2007-12-15 12:41         ` Andi Kleen
2007-12-13 22:47 Eduard-Gabriel Munteanu
2007-12-13 22:58 ` Johannes Weiner
2007-12-14 12:48   ` Eduard-Gabriel Munteanu
2007-12-18 15:43 ` Pavel Machek
2007-12-18 17:11   ` Eduard-Gabriel Munteanu
2007-12-14  0:14 Mikhail Kshevetskiy
     [not found] <47754735.1050009@richardharman.com>
2007-12-29  7:52 ` Eduard-Gabriel Munteanu
2007-12-29  9:09   ` Richard Harman
2007-12-29 11:19     ` Eduard-Gabriel Munteanu
2007-12-29 11:46     ` Islam Amer
2007-12-30 20:45     ` Rene Herman
2007-12-29 14:43 David P. Reed
2007-12-29 22:28 ` Islam Amer
2007-12-30  0:35   ` Islam Amer
2007-12-30 12:57     ` Ingo Molnar
2007-12-30  1:38   ` Rene Herman
2007-12-30  1:49     ` Islam Amer
2007-12-30  3:24       ` Rene Herman
2007-12-30 10:17       ` Eduard-Gabriel Munteanu
2007-12-30 14:42         ` Andi Kleen
2007-12-30 21:12           ` Eduard-Gabriel Munteanu
2007-12-31  2:34             ` Andi Kleen
2007-12-30 20:57         ` Richard Harman
2007-12-30 21:18           ` Eduard-Gabriel Munteanu
2007-12-30 13:36             ` Richard Harman
2007-12-30 23:32               ` Eduard-Gabriel Munteanu
2007-12-31  0:30               ` David P. Reed

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