[PATCH v15 2/2] iommu/riscv: create a auxiliary device for HPM

[Jörg Rödel]

On Thu, Oct 01, 2026 at 11:33:12PM -0700, Zong Li wrote:
> Create an auxiliary device for HPM when the IOMMU supports a
> hardware performance monitor.
> 
> Tested-by: Chen Pei <cp0613 at linux.alibaba.com>
> Tested-by: Fangyu Yu <fangyu.yu at linux.alibaba.com>
> Reviewed-by: Nutty Liu <nutty.liu at hotmail.com>
> Reviewed-by: Guo Ren <guoren at kernel.org>
> Reviewed-by: Yicong Yang <yang.yicong at picoheart.com>
> Suggested-by: Samuel Holland <samuel.holland at sifive.com>
> Signed-off-by: Zong Li <zong.li at sifive.com>
> ---
>  drivers/iommu/riscv/Kconfig |  1 +
>  drivers/iommu/riscv/iommu.c | 58 +++++++++++++++++++++++++++++++++++++
>  drivers/iommu/riscv/iommu.h |  4 +++
>  3 files changed, 63 insertions(+)

Acked-by: Joerg Roedel <joerg.roedel at amd.com>