Kernel Options: To use MSI-X or not?

From: Justin Piszcz
Date: Wed Nov 04 2009 - 11:53:23 EST


I was curious whether its best to use MSI-X when the driver supports it or not?

Example, 3ware cards/Intel Audio Drivers you can use MSI-X instead of having several devices use/share an interrupt.

What are the pros/cons to using MSI-X vs. having devices share an IRQ?

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