Subject: [Xen-devel] [PATCH] xen/arm: disable cpuidle when linux is running as dom0

From: [email-masked] (Julien Grall)
Date: Mon, 15 Jul 2013 17:22:00 +0100

On 07/15/2013 04:25 PM, Konrad Rzeszutek Wilk wrote:
> On Mon, Jul 15, 2013 at 03:21:41PM +0100, Julien Grall wrote:
>> When linux is running as dom0, Xen doesn't show the physical cpu but a
>> virtual CPU.
>> On some ARM SOC (for instance the exynos 5250), linux registers callbacks
>> for cpuidle. When these callbacks are called, they will modify
>> directly the physical cpu not the virtual one. It can impact the whole board
>> instead of dom0.
> 
> Should you also call disable_cpufreq() ?

I had some issue on the versatile express when cpufreq was disabled.
I will give another try and see the exact error.

-- 
Julien