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Re: MP callouts



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Hello,

On Apr 14, 2008, at 14:44, Jason Thorpe wrote:

On Apr 13, 2008, at 11:17 PM, Joerg Sonnenberger wrote:
On Sat, Apr 12, 2008 at 10:30:26AM -0700, Matt Thomas wrote:
What are the implications of this?  Will each CPU have its own timer
interrupt or can the timer interrupt servicing be spread among all the CPUs?

At least for x86 you already have a per-cpu interrupt. Not sure about
the other MP platforms.

Alpha does, also.  I think every platform needs to have this.

On PowerPC each CPU has its own timer interrupt.

have fun
Michael
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