Subject: spin_lock_irqsave and multi-core

From: gshan <[email-masked]>
Date: Thu, 01 Apr 2010 09:59:33 +0800

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