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Date: Thu, 01 Apr 2010 09:59:33 +0800
From: gshan <Gavin.Shan@alcatel-lucent.com>
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Subject: spin_lock_irqsave and multi-core
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I got a question when reading source code. Hope somebody can give me the 
answer.
On multi-core system, spin_lock_irqsave() can stop all CPU cores 
receiving interrupts?
If the answer is no, what we can do to disable external interrupt for 
all CPU cores?

Thanks,
Gavin