| Subject | Re: [PATCH 00/24] x86/resctrl: Merge the CDP resources | From | Reinette Chatre <> | Date | Mon, 16 Nov 2020 09:54:06 -0800 |
| |
Hi James,
On 10/30/2020 9:10 AM, James Morse wrote: > MPAM has an equivalent feature to CDP, but its a property of the CPU, > not the cache. Resctrl needs to have x86's odd/even behaviour, as that > its the ABI, but this isn't how the MPAM hardware works. It is entirely > possible that an in-kernel user of MPAM would not be using CDP, whereas > resctrl is.
The above seems to distinguish between "in-kernel user of MPAM" and resctrl (now obtaining support for MPAM). Could you please provide more details on the "in-kernel user of MPAM" and elaborate on how these two usages are expected to interact with MPAM concurrently?
Thank you
Reinette
|