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

Chuck Ebbert
2007-12-14T22:39:57Z

On 12/14/2007 05:17 AM, Andi Kleen wrote:
>> so do whatever is necessary to enable dynticks.
>
> dynticks' main purpose is to save power, but C1e saves more power.
> Disabling C1e for dynticks would be a fairly useless default
> trade off.
>

What about machines where the BIOS has disabled C1e on CPU 0 but
left it enabled on CPU 1 ??