Fwd: disable_irq in ndo_poll_controller

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---------- Forwarded message ----------
From: JiSheng Zhang <jszhang3@xxxxxxxxx>
Date: 2009/9/3
Subject: disable_irq in ndo_poll_controller
To: netdev@xxxxxxxxxxxxxxx


Hi list,

I found that there are three disable irq method in nicard drivers
ndo_poll_controller implementation :
1.disable_irq
2.loacle_irq_save
3.program nicard's register

why need disable irq in ndo_poll_controller?
Is all the three method equivalent?
Now I'm adding netconsole support to nic of our soc, which can I take
from the tree method?

Thanks in advance,
Jisheng

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