[coyotos-dev] SMP Patch 1

Jonathan S. Shapiro shap at eros-os.com
Thu Oct 25 07:53:45 EDT 2007


On Thu, 2007-10-25 at 02:08 +0200, Valerio Bellizzomi wrote:

> This is a fantastic thing if it is possible to reboot APs while running.

Why?

Power management, sure, but why else?

> What is the exact meaning of IPI ?

IPI = inter-processor interrupt. These are generally handled specially
to coordinate activities across processors. Example: I need a lock on a
process that is currently running on another CPU.


shap



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