[RFC PATCH v2 01/10] iommu/riscv: add RISC-V IOMMU PMU support

[Jason Gunthorpe]

On Fri, Jun 14, 2024 at 10:21:47PM +0800, Zong Li wrote:
> This patch implements the RISC-V IOMMU hardware performance monitor, it
> includes the counting ans sampling mode.
> 
> Specification doesn't define the event ID for counting the number of
> clock cycles, there is no associated iohpmevt0. But we need an event for
> counting cycle in perf, reserve the maximum number of event ID for it now.

Why is this part of the nesting series?

Jason