Comment 191 for bug 1690085
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#191 |
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bbfa235
(Get the code!)
(In reply to Scott Farrell from comment #105)
> Disabled Global C-State Control in bios. The manual also says there should
> be a C6 Mode in bios, however it simply doesn't exist.
These are the same thing.
> Disabled AMD Cool&Quiet in bios.
You don't need to disable this. I would leave it on.
> Question for clarification. Does CONFIG_RCU_NOCB_CPU need to be set to yes
> in kernel to be able to use the boot parameter? I get the impression that
> the boot parameter doesn't actually do anything unless kernel option is
> configured.
Yes, the boot parameter alone won't do anything. You only need to do this or disable C6, not both. At this point, the overall consensus seems to be that the RCU workaround is better as it still allows some power saving and doesn't prevent boost.