Re: [arch-general] powernow-k8 fails to load with linux 3.7.2

Borislav Petkov
2013-01-19T12:08:14Z

On Fri, Jan 18, 2013 at 03:17:04PM +0000, Matthew Garrett wrote:
> Can you try this (entirely untested) patch?
>
> diff --git a/drivers/cpufreq/acpi-cpufreq.c
> b/drivers/cpufreq/acpi-cpufreq.c
> index 0d048f6..7b0d49d 100644
> --- a/drivers/cpufreq/acpi-cpufreq.c
> +++ b/drivers/cpufreq/acpi-cpufreq.c
> @@ -1030,4 +1030,11 @@ MODULE_PARM_DESC(acpi_pstate_strict,
> late_initcall(acpi_cpufreq_init);
> module_exit(acpi_cpufreq_exit);
>
> +static const struct x86_cpu_id acpi_cpufreq_ids[] = {
> + X86_FEATURE_MATCH(X86_FEATURE_ACPI),
> + X86_FEATURE_MATCH(X86_FEATURE_HW_PSTATE),
> + {}
> +};
> +MODULE_DEVICE_TABLE(x86cpu, acpi_cpufreq_ids);
> +
> MODULE_ALIAS("acpi");

Leonid, can you try Matthew's patch?

This is adding the additional cpufreatures aliases:

alias: x86cpu:vendor:*:family:*:model:*:feature:*00E8*
alias: x86cpu:vendor:*:family:*:model:*:feature:*0016*

and since powernow-k8 used to load on 3.6-stable, it probably happened
because the 0xe8 feature and since 3.7 moved it to acpi-cpufreq, this
patch should actually fix it.

Thanks.

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
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