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Date: Tue, 01 Apr 2008 14:45:42 +0200
From: Philippe Gerum <rpm@xenomai.org>
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Sender: Philippe Gerum <philippe.gerum@domain.hid>
Subject: Re: [Adeos-main] When do I need to
 add	local_irq_disable_hw/local_irq_enable_hw in root domain?
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To: Josh Zhao <joshsystem@domain.hid>
Cc: adeos-main@gna.org

Josh Zhao wrote:
> Hi ,
>     When do I need to add  local_irq_disable_hw/local_irq_enable_hw in
> root domain?  I think every irq/event should not be disabled in root
> domain,but  why  i  have seen in some code ?

Because some serialization still needs to be enforced, even for the root domain,
particularly for code that may have an impact on the pipeline state.

>    thanks!
>  
> 
> 
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-- 
Philippe.