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Date: Mon, 31 Oct 2011 14:10:40 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] Interruption of sata hard driver's during
 real-time task running
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To: Donggu Kang <cdslashboot@domain.hid>
Cc: Xenomai help <xenomai@xenomai.org>

On 10/31/2011 12:39 PM, Donggu Kang wrote:
> Dear Gilles
> 
> I re-made xenomai task that use etherlab kernel module.
> Xenomai task is working as kernel module.
> 
> As your comment, when I call the etherlab api, the mode of real-time
> task is changed to secondary mode.
> And the real-time task could be interrupted by linux irq. right?
> 
> but, In "Xenomai's primary and secondary domains" section of "Life
> With Adeos" says, xenomai have interrupt shield function.
> So, if I turn on the interrupt shield option, latency could be more reduced.
> 
> Is it collect ?

The interrupt shield no longer exists. If you want a task to meet its
deadlines, it should remain in primary mode.

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-- 
                                                                Gilles.