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
