On Wed, Jun 14, 2023 at 03:57:11PM -0400, Jason Andryuk wrote:
> Hi, Roger,
>
> On Mon, Nov 21, 2022 at 10:04 AM Roger Pau Monné wrote:
> >
> > On Mon, Nov 21, 2022 at 03:10:36PM +0100, Jan Beulich wrote:
> > > On 21.11.2022 11:21, Roger Pau Monne wrote:
> > > > --- a/drivers/acpi/processor_pdc.c
Hi, Roger,
On Mon, Nov 21, 2022 at 10:04 AM Roger Pau Monné wrote:
>
> On Mon, Nov 21, 2022 at 03:10:36PM +0100, Jan Beulich wrote:
> > On 21.11.2022 11:21, Roger Pau Monne wrote:
> > > --- a/drivers/acpi/processor_pdc.c
> > > +++ b/drivers/acpi/processor_pdc.c
> > > @@ -137,6 +137,14 @@ acpi_pro
On Mon, Nov 21, 2022 at 03:10:36PM +0100, Jan Beulich wrote:
> On 21.11.2022 11:21, Roger Pau Monne wrote:
> > --- a/drivers/acpi/processor_pdc.c
> > +++ b/drivers/acpi/processor_pdc.c
> > @@ -137,6 +137,14 @@ acpi_processor_eval_pdc(acpi_handle handle, struct
> > acpi_object_list *pdc_in)
> >
On 21.11.2022 15:10, Jan Beulich wrote:
> On 21.11.2022 11:21, Roger Pau Monne wrote:
>> --- a/drivers/acpi/processor_pdc.c
>> +++ b/drivers/acpi/processor_pdc.c
>> @@ -137,6 +137,14 @@ acpi_processor_eval_pdc(acpi_handle handle, struct
>> acpi_object_list *pdc_in)
>> buffer[2] &= ~(A
On 21.11.2022 11:21, Roger Pau Monne wrote:
> --- a/drivers/acpi/processor_pdc.c
> +++ b/drivers/acpi/processor_pdc.c
> @@ -137,6 +137,14 @@ acpi_processor_eval_pdc(acpi_handle handle, struct
> acpi_object_list *pdc_in)
> buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
>
>
The Processor _PDC buffer bits notify ACPI of the OS capabilities, and
so ACPI can adjust the return of other Processor methods taking the OS
capabilities into account.
When Linux is running as a Xen dom0, it's the hypervisor the entity
in charge of processor power management, and hence Xen needs
