Re: [PATCH v6 19/40] arm_mpam: resctrl: Add plumbing against arm64 task and cpu hooks

From: Gavin Shan

Date: Mon Mar 23 2026 - 02:56:27 EST


On 3/14/26 12:45 AM, Ben Horgan wrote:
From: James Morse <james.morse@xxxxxxx>

arm64 provides helpers for changing a task's and a cpu's mpam partid/pmg
values.

These are used to back a number of resctrl_arch_ functions. Connect them
up.

Tested-by: Gavin Shan <gshan@xxxxxxxxxx>
Tested-by: Shaopeng Tan <tan.shaopeng@xxxxxxxxxxxxxx>
Tested-by: Peter Newman <peternewman@xxxxxxxxxx>
Tested-by: Zeng Heng <zengheng4@xxxxxxxxxx>
Tested-by: Punit Agrawal <punit.agrawal@xxxxxxxxxxxxxxxx>
Reviewed-by: Zeng Heng <zengheng4@xxxxxxxxxx>
Reviewed-by: Shaopeng Tan <tan.shaopeng@xxxxxxxxxxxxxx>
Reviewed-by: Jonathan Cameron <jonathan.cameron@xxxxxxxxxx>
Signed-off-by: James Morse <james.morse@xxxxxxx>
Signed-off-by: Ben Horgan <ben.horgan@xxxxxxx>
---
Changes since v2:
apostrophes in commit message
---
drivers/resctrl/mpam_resctrl.c | 58 ++++++++++++++++++++++++++++++++++
include/linux/arm_mpam.h | 5 +++
2 files changed, 63 insertions(+)


Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>