On Tue, Jun 18, 2024 at 9:33 PM Mario Limonciello
<mario.limonciello@xxxxxxx> wrote:
>
> On 6/15/2024 05:38, Rafael J. Wysocki wrote:
> > On Fri, Jun 14, 2024 at 9:33 PM Mario Limonciello
> > <mario.limonciello@xxxxxxx> wrote:
> >>
> >> The UUID 4077A616-290C-47BE-9EBD-D87058713953 and _PDC methods are
> >> only used on Intel platforms with HWP support.
> >
> > I beg to differ. See arch_acpi_set_proc_cap_bits() definition.
>
> Ah I see; thanks for sharing. I agree with you.
>
> >
> >> Attempting to evaluate them and showing messages on hardware without
> >> HWP is pointless needlessly noisy.
> >>
> >> Gate the code on X86_FEATURE_HWP.
> >
> > Not really.
>
> I guess this really started getting noisy in 6.6 (9527264).
>
> Would you be open to downgrading to debug instead?
That would be fine, thanks!
> >
> >> Cc: PradeepVineshReddy (Pradeep Vinesh Reddy) Kodamati <PradeepVineshReddy.Kodamati@xxxxxxx>
> >> Suggested-by: CL Lin <clin41@xxxxxxxxxx>
> >> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> >> ---
> >> drivers/acpi/acpi_processor.c | 2 ++
> >> 1 file changed, 2 insertions(+)
> >>
> >> diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
> >> index 7a0dd35d62c9..84848b5e65d6 100644
> >> --- a/drivers/acpi/acpi_processor.c
> >> +++ b/drivers/acpi/acpi_processor.c
> >> @@ -597,6 +597,8 @@ static bool __init acpi_early_processor_osc(void)
> >>
> >> void __init acpi_early_processor_control_setup(void)
> >> {
> >> + if (!boot_cpu_has(X86_FEATURE_HWP))
> >> + return;
> >> if (acpi_early_processor_osc()) {
> >> pr_info("_OSC evaluated successfully for all CPUs\n");
> >> } else {
> >> --
> >> 2.43.0
> >>
>
