From: John Levon <movement@marcelothewonderpenguin.com>
To: linux-kernel@vger.kernel.org
Subject: Re: do_gettimeofday vs. rdtsc in the scheduler
Date: Fri, 20 Sep 2002 16:26:18 +0100 [thread overview]
Message-ID: <20020920152618.GA90329@compsoc.man.ac.uk> (raw)
In-Reply-To: <1032442039.26712.32.camel@irongate.swansea.linux.org.uk>
On Thu, Sep 19, 2002 at 02:27:19PM +0100, Alan Cox wrote:
> > - There are plenty of laptops whose CPUs have local APICs but whose
> > BIOSen go berserk if you enable it. There are also plenty of laptops
>
> Frequently because we don't disable it again before any APM calls I
> suspect. When a CPU goes into sleep mode you must disable PMC and local
> apic timer interrupts.
Isn't this exactly what apic_pm_suspend() does ? Or is that in 2.5 only ?
regards
john
--
Support the project - http://www.gtonline.net/private/mapp/project/
next prev parent reply other threads:[~2002-09-20 15:21 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200209172020.g8HKKPF13227@eng2.beaverton.ibm.com.suse.lists.linux.kernel>
[not found] ` <1032294559.22815.180.camel@cog.suse.lists.linux.kernel>
[not found] ` <20020917.133933.69057655.davem@redhat.com.suse.lists.linux.kernel>
2002-09-17 21:00 ` do_gettimeofday vs. rdtsc in the scheduler Andi Kleen
2002-09-17 20:54 ` David S. Miller
2002-09-17 21:28 ` Alan Cox
2002-09-17 21:18 ` David S. Miller
2002-09-17 22:02 ` James Cleverdon
2002-09-17 22:44 ` Andi Kleen
2002-09-17 22:38 ` David S. Miller
2002-09-17 22:55 ` James Cleverdon
2002-09-17 23:12 ` David S. Miller
2002-09-17 23:32 ` john stultz
2002-09-17 23:32 ` David S. Miller
2002-09-17 23:52 ` Andi Kleen
2002-09-17 23:46 ` David S. Miller
2002-09-17 23:58 ` Andi Kleen
2002-09-17 23:51 ` David S. Miller
2002-09-18 0:05 ` Andi Kleen
2002-09-18 1:04 ` James Cleverdon
2002-09-19 18:02 ` Andrea Arcangeli
2002-09-20 11:04 ` Maciej W. Rozycki
2002-09-19 11:20 ` Mikael Pettersson
2002-09-19 13:27 ` Alan Cox
2002-09-19 13:39 ` Mikael Pettersson
2002-09-20 15:26 ` John Levon [this message]
2002-09-18 6:40 ` Vojtech Pavlik
2002-09-19 18:04 ` Andrea Arcangeli
[not found] <200209172020.g8HKKPF13227@eng2.beaverton.ibm.com>
2002-09-17 20:29 ` Fwd: " john stultz
2002-09-17 20:39 ` David S. Miller
2002-09-17 20:57 ` john stultz
2002-09-17 20:56 ` David S. Miller
2002-09-09 22:21 anton wilson
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