Oliver O'Halloran writes:
> On Wed, Mar 15, 2017 at 10:26 PM, Michael Ellerman
> wrote:
>> Oliver O'Halloran writes:
>>
>>> Traditionally we have only ever tracked which CPUs are in the same core
>>> (cpu_sibling_mask) and on the same
On Wed, Mar 15, 2017 at 10:26 PM, Michael Ellerman wrote:
> Oliver O'Halloran writes:
>
>> Traditionally we have only ever tracked which CPUs are in the same core
>> (cpu_sibling_mask) and on the same die (cpu_core_mask). For Power9 we
>> need to be aware
Oliver O'Halloran writes:
> Traditionally we have only ever tracked which CPUs are in the same core
> (cpu_sibling_mask) and on the same die (cpu_core_mask). For Power9 we
> need to be aware of which CPUs share cache with each other so this patch
> adds cpu_cache_mask and the
Traditionally we have only ever tracked which CPUs are in the same core
(cpu_sibling_mask) and on the same die (cpu_core_mask). For Power9 we
need to be aware of which CPUs share cache with each other so this patch
adds cpu_cache_mask and the underlying cpu_cache_map variable to track
this.