Re: [PATCH 2/2] CPUFREQ: Mark e_powersaver driver as EXPERIMENTALand DANGEROUS

From: Matthew Garrett
Date: Mon Jun 08 2009 - 08:09:22 EST


On Mon, Jun 08, 2009 at 06:29:36PM +0800, Harald Welte wrote:
> The e_powersaver driver for VIA's C7 CPU's needs to be marked as
> DANGEROUS as it configures the CPU to power states that are out
> of specification.
>
> According to Centaur, all systems with C7 and Nano CPU's support
> the ACPI p-state method. Thus, the acpi-cpufreq driver should
> be used instead.

Do we know if vendors are actually shipping with the appropriate BIOS
tables? The number of people using e_powersaver seems to be suspiciously
large, though perhaps that's just because the help text implied it was
the right choice for C7.

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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