Re: [Xen-devel] [PATCH v2 3/5] x86/AMD: make C-state handling independent of Dom0

2019-07-19 Thread Andrew Cooper
On 03/07/2019 14:01, Jan Beulich wrote: > At least for more recent CPUs, following what BKDG / PPR suggest for the > BIOS to surface via ACPI we can make ourselves independent of Dom0 > uploading respective data. > > Signed-off-by: Jan Beulich Acked-by: Andrew Cooper

Re: [Xen-devel] [PATCH v2 3/5] x86/AMD: make C-state handling independent of Dom0

2019-07-17 Thread Roger Pau Monné
On Wed, Jul 17, 2019 at 12:49:49PM +, Jan Beulich wrote: > On 17.07.2019 12:26, Roger Pau Monné wrote: > > On Wed, Jul 17, 2019 at 09:04:55AM +, Jan Beulich wrote: > >> On 16.07.2019 16:26, Roger Pau Monné wrote: > >>> On Wed, Jul 03, 2019 at 01:01:48PM +, Jan Beulich wrote: >

Re: [Xen-devel] [PATCH v2 3/5] x86/AMD: make C-state handling independent of Dom0

2019-07-17 Thread Jan Beulich
On 17.07.2019 12:26, Roger Pau Monné wrote: > On Wed, Jul 17, 2019 at 09:04:55AM +, Jan Beulich wrote: >> On 16.07.2019 16:26, Roger Pau Monné wrote: >>> On Wed, Jul 03, 2019 at 01:01:48PM +, Jan Beulich wrote: --- a/xen/arch/x86/acpi/cpu_idle.c +++

Re: [Xen-devel] [PATCH v2 3/5] x86/AMD: make C-state handling independent of Dom0

2019-07-17 Thread Roger Pau Monné
On Wed, Jul 17, 2019 at 09:04:55AM +, Jan Beulich wrote: > On 16.07.2019 16:26, Roger Pau Monné wrote: > > On Wed, Jul 03, 2019 at 01:01:48PM +, Jan Beulich wrote: > >> --- a/xen/arch/x86/acpi/cpu_idle.c > >> +++ b/xen/arch/x86/acpi/cpu_idle.c > >> @@ -110,6 +110,8 @@

Re: [Xen-devel] [PATCH v2 3/5] x86/AMD: make C-state handling independent of Dom0

2019-07-17 Thread Jan Beulich
On 16.07.2019 16:26, Roger Pau Monné wrote: > On Wed, Jul 03, 2019 at 01:01:48PM +, Jan Beulich wrote: >> --- a/xen/arch/x86/acpi/cpu_idle.c >> +++ b/xen/arch/x86/acpi/cpu_idle.c >> @@ -110,6 +110,8 @@ boolean_param("lapic_timer_c2_ok", local >> >>struct acpi_processor_power

Re: [Xen-devel] [PATCH v2 3/5] x86/AMD: make C-state handling independent of Dom0

2019-07-16 Thread Roger Pau Monné
On Wed, Jul 03, 2019 at 01:01:48PM +, Jan Beulich wrote: > At least for more recent CPUs, following what BKDG / PPR suggest for the > BIOS to surface via ACPI we can make ourselves independent of Dom0 > uploading respective data. > > Signed-off-by: Jan Beulich > --- > v2: Handle Hygon Fam18.

[Xen-devel] [PATCH v2 3/5] x86/AMD: make C-state handling independent of Dom0

2019-07-03 Thread Jan Beulich
At least for more recent CPUs, following what BKDG / PPR suggest for the BIOS to surface via ACPI we can make ourselves independent of Dom0 uploading respective data. Signed-off-by: Jan Beulich --- v2: Handle Hygon Fam18. Set local_apic_timer_c2_ok (for Fam17 and Hygon Fam18 only for now).