Re: [PATCH] Option to disable AMD C1E (allows dynticks to work)

[Andi Kleen]

> magically in the SMM code. To work around this is we would need to add
> the broadcast notification to the halt(), safe_halt(), pm_idle_halt()
> variants which float around in the kernel and make this conditional on
> the C1E detection. That's nasty, but it seems the only solution for
> now.

On 64bit it would be easy using the idle notifiers. Perhaps they need
to be extended to pass in the sleep state though.
 
-Andi
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