Re: [patch] genapic: optimize & fix APIC mode setup

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxx> wrote:

> [...] If something is cheap then other costs added to (such as 
> cpu-mask scanning, and passing around the cpumask) definitely do 
> matter.

btw., i dont claim this is a big issue - we could solve this for the 
common case even in physical delivery mode by adding a 'single IPI 
delivery' callback to the genapic methods. That could be used by the 
reschedule IPI for example.

	Ingo
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