On 17-07-04 01:28:32, Jan Beulich wrote:
> >>> On 04.07.17 at 03:40, wrote:
> > On 17-06-30 03:18:53, Jan Beulich wrote:
> >> >>> Yi Sun 06/30/17 10:05 AM >>>
> >> >On 17-06-30 01:33:02, Jan Beulich wrote:
> >> >> >>> Yi Sun 06/30/17 9:01 AM >>>
> > There will be problem if we substract 1 before
>>> On 04.07.17 at 03:40, wrote:
> On 17-06-30 03:18:53, Jan Beulich wrote:
>> >>> Yi Sun 06/30/17 10:05 AM >>>
>> >On 17-06-30 01:33:02, Jan Beulich wrote:
>> >> >>> Yi Sun 06/30/17 9:01 AM >>>
>> >> >This accords to spec:
>> >> >"For CDP operations, COS_MAX_CDP is equal to (CPUID.(EAX=10H,
>>
On 17-06-30 03:18:53, Jan Beulich wrote:
> >>> Yi Sun 06/30/17 10:05 AM >>>
> >On 17-06-30 01:33:02, Jan Beulich wrote:
> >> >>> Yi Sun 06/30/17 9:01 AM >>>
> >> >This accords to spec:
> >> >"For CDP operations, COS_MAX_CDP is equal to (CPUID.(EAX=10H,
> >> >ECX=1):EDX.COS_MAX_CAT >>1)."
> >> >
>>> Yi Sun 06/30/17 10:05 AM >>>
>On 17-06-30 01:33:02, Jan Beulich wrote:
>> >>> Yi Sun 06/30/17 9:01 AM >>>
>> >This accords to spec:
>> >"For CDP operations, COS_MAX_CDP is equal to (CPUID.(EAX=10H,
>> >ECX=1):EDX.COS_MAX_CAT >>1)."
>> >
>> >HW should make sure it is even number.
>>
>> And h
On 17-06-30 01:33:02, Jan Beulich wrote:
> >>> Yi Sun 06/30/17 9:01 AM >>>
> >On 17-06-30 00:40:35, Jan Beulich wrote:
> >> >>> Yi Sun 06/14/17 3:26 AM >>>
> >> > @@ -253,6 +271,26 @@ static void cat_init_feature(const struct
> >> > cpuid_leaf *regs,
> >> >
> >> > break;
> >> >
> >>
>>> Yi Sun 06/30/17 9:01 AM >>>
>On 17-06-30 00:40:35, Jan Beulich wrote:
>> >>> Yi Sun 06/14/17 3:26 AM >>>
>> > @@ -253,6 +271,26 @@ static void cat_init_feature(const struct cpuid_leaf
>> > *regs,
>> >
>> > break;
>> >
>> > +case PSR_SOCKET_L3_CDP:
>> > +{
>> > +u
On 17-06-30 00:40:35, Jan Beulich wrote:
> >>> Yi Sun 06/14/17 3:26 AM >>>
> > @@ -253,6 +271,26 @@ static void cat_init_feature(const struct cpuid_leaf
> > *regs,
> >
> > break;
> >
> > +case PSR_SOCKET_L3_CDP:
> > +{
> > +uint64_t val;
> > +
> > +/* Cut half
>>> Yi Sun 06/14/17 3:26 AM >>>
> @@ -253,6 +271,26 @@ static void cat_init_feature(const struct cpuid_leaf
> *regs,
>
> break;
>
> +case PSR_SOCKET_L3_CDP:
> +{
> +uint64_t val;
> +
> +/* Cut half of cos_max when CDP is enabled. */
> +feat->cos_max >>
This patch implements the CPU init flow for CDP. The flow is almost
same as L3 CAT.
Signed-off-by: Yi Sun
---
v12:
- move 'type[]' assignment into l3_cdp_props declaration to make it be
'const'.
(suggested by Jan Beulich)
- remove "L2 CAT" indication in printk.
(suggeste
