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From: Ashok Raj <ashok.raj@intel.com>
To: Petr Vandrovec <vandrove@vc.cvut.cz>
Cc: ashok.raj@intel.com,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: powernow-k8 schedules in atomic since sunday :-(
Date: Thu, 3 Nov 2005 12:49:16 -0800	[thread overview]
Message-ID: <20051103124916.A29900@unix-os.sc.intel.com> (raw)
In-Reply-To: <436A34C5.2060108@vc.cvut.cz>; from vandrove@vc.cvut.cz on Thu, Nov 03, 2005 at 05:03:17PM +0100

On Thu, Nov 03, 2005 at 05:03:17PM +0100, Petr Vandrovec wrote:
> Hello Ashok,
>    your change '[PATCH] create and destroy cpufreq sysfs entries based on cpu 
> notifiers' causes problems with powernow-k8 driver.  powernow-k8 uses 
> set_cpus_allowed() (it even calls schedule() explicitly for no reason), and when 
> you've changed code from lock_cpu_hotplug() to preempt_disable() 
> set_cpus_allowed() now complains that schedule() is not allowed while preemption 
> is disabled...
> 

Rafael noticed this, please use the new patch 

http://marc.theaimsgroup.com/?l=linux-kernel&m=113087258615780&w=2

He confirmed it works for him now.

Thanks
ashok

  reply	other threads:[~2005-11-03 20:49 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-03 16:03 powernow-k8 schedules in atomic since sunday :-( Petr Vandrovec
2005-11-03 20:49 ` Ashok Raj [this message]
2005-11-06  1:13   ` Zwane Mwaikambo
2005-11-06  4:13     ` Dave Jones

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