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Call function on all processors

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Call function on all processors

Subject: Call function on all processors
From: Paul Litvak <email@hidden>
Date: Thu, 16 Nov 2006 15:49:44 -0600

How would you call a function on all cpus from a kernel extension?

One way I can think of is to:

1. disable preemption through IOSimpleLockLock 2. call function on other cpus by generating an interprocessor interrupt (can this be done through IOKit or another API?) 3. call the function on this cpu 4. enable preemption through IOSimpleLockUnlock

- Paul Litvak

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