From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@elte.hu>, Pavel Machek <pavel@ucw.cz>,
Jiri Kosina <jkosina@suse.cz>,
Zdenek Kabelac <zdenek.kabelac@gmail.com>,
Kernel development list <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: BUG: using smp_processor_id() during suspend with 2.6.25-rc8
Date: Fri, 11 Apr 2008 17:27:32 +0200 [thread overview]
Message-ID: <200804111727.33922.rjw@sisk.pl> (raw)
In-Reply-To: <20080411113746.GV10019@one.firstfloor.org>
On Friday, 11 of April 2008, Andi Kleen wrote:
> > thanks Pavel, i picked this up into sched-devel.git - it makes sense
> > independently of whether it solves the warning.
>
> This means the CPU preempt sanity checking is effectively disabled
> on UP kernels. Even though more and more people should run multi-core
> now there is still a sizeable user base left on single core.
>
> Don't think this is a good idea. We need even the UP testers.
Agreed.
Besides, I'd like to learn what caused the problem to appear in the first
place.
> If he wants this for suspend or machine check/oops (always useful there
> to disable such warnings) then there should
> be separate checks for this. Perhaps system_state could be enhanced for this?
That would make sense.
Thanks,
Rafael
next prev parent reply other threads:[~2008-04-11 15:27 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-07 13:25 BUG: using smp_processor_id() during suspend with 2.6.25-rc8 Zdenek Kabelac
2008-04-07 21:54 ` Jiri Kosina
2008-04-07 22:02 ` Andi Kleen
2008-04-07 22:04 ` Jiri Kosina
2008-04-07 22:12 ` Andi Kleen
2008-04-07 22:11 ` Jiri Kosina
2008-04-07 22:14 ` Jiri Kosina
2008-04-07 22:23 ` Andi Kleen
2008-04-07 22:29 ` Rafael J. Wysocki
2008-04-07 22:33 ` Jiri Kosina
2008-04-07 22:53 ` Zdenek Kabelac
2008-04-07 23:10 ` Rafael J. Wysocki
2008-04-08 8:09 ` Jiri Kosina
2008-04-10 11:16 ` Zdenek Kabelac
2008-04-07 22:56 ` Rafael J. Wysocki
2008-04-10 9:45 ` Pavel Machek
2008-04-10 23:25 ` Jiri Kosina
2008-04-11 10:49 ` Pavel Machek
2008-04-11 10:51 ` Ingo Molnar
2008-04-11 10:54 ` Pavel Machek
2008-04-11 11:09 ` Ingo Molnar
2008-04-12 9:51 ` Pavel Machek
2008-04-11 15:29 ` Rafael J. Wysocki
2008-04-11 11:37 ` Andi Kleen
2008-04-11 15:27 ` Rafael J. Wysocki [this message]
2008-04-07 22:35 ` Andi Kleen
2008-04-07 22:54 ` Rafael J. Wysocki
2008-04-11 10:25 ` Ingo Molnar
2008-04-11 10:34 ` Jiri Kosina
2008-04-11 10:40 ` Ingo Molnar
2008-04-11 10:39 ` Andi Kleen
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