On Tuesday, January 22, 2013 06:38:36 PM Borislav Petkov wrote:
> On Tue, Jan 22, 2013 at 11:42:24AM -0500, Matthew Garrett wrote:
> > The acpi core will call request_module("acpi-cpufreq") on subsystem init,
> > but this will fail if the module isn't available at that stage of boot.
> > Add some module aliases to ensure that udev can load the module on Intel
> > and AMD systems with the appropriate feature bits - I /think/ that this
> > will also work on VIA systems, but haven't verified that.
> >
> > Signed-off-by: Matthew Garrett <matthew.garrett@xxxxxxxxxx>
>
> Let's add some more tags:
>
> Link: http://lkml.kernel.org/r/1448223.sdUJnNSRz4@xxxxxxxxxxxxxx
> Tested-by: Leonid Isaev <lisaev@xxxxxxxxxxxx>
> Acked-by: Borislav Petkov <bp@xxxxxxx>
>
> Rafael, this is all yours. :-)
Thanks!
Do I think correctly that it should go into 3.7.y too?
Rafael
> > ---
> > drivers/cpufreq/acpi-cpufreq.c | 7 +++++++
> > 1 file changed, 7 insertions(+)
> >
> > 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");
>
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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