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Benjamin Herrenschmidt wrote:
<blockquote cite="mid:1270089545.7101.84.camel@pasglop" type="cite">
<pre wrap="">On Thu, 2010-04-01 at 09:59 +0800, gshan wrote:
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<pre wrap="">On multi-core system, spin_lock_irqsave() can stop all CPU cores
receiving interrupts?
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<pre wrap=""><!---->
No.
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<small><font face="Arial">Thanks a lot for your answer.</font></small><br>
<blockquote cite="mid:1270089545.7101.84.camel@pasglop" type="cite">
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<pre wrap="">If the answer is no, what we can do to disable external interrupt for
all CPU cores?
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You don't :-)
Really, you generally don't. Why would you want to do that ?
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<small><font face="Arial">One of my private driver need it. I don't
know how to do it.</font></small><br>
<blockquote cite="mid:1270089545.7101.84.camel@pasglop" type="cite">
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Cheers,
Ben.
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