Re: [PATCH v5 3/5] arm_mpam: resctrl: Add resctrl_arch_config_cntr() for ABMC use
From: Gavin Shan <hidden>
Date: 2026-07-15 10:23:25
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On 7/8/26 2:24 AM, Ben Horgan wrote:
From: James Morse <james.morse@arm.com> ABMC, mbm_event mode, has a helper resctrl_arch_config_cntr() for changing the mapping between 'cntr_id' and a CLOSID/RMID pair. Add the helper. For MPAM this is done by updating the mon->mbwu_idx_to_mon[] array, and as usual CDP means it needs doing in three different ways. Signed-off-by: James Morse <james.morse@arm.com> Signed-off-by: Ben Horgan <ben.horgan@arm.com> Tested-by: Shaopeng Tan <redacted> Tested-by: Fenghua Yu <fenghuay@nvidia.com> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Reviewed-by: Shaopeng Tan <redacted> Reviewed-by: Fenghua Yu <fenghuay@nvidia.com> --- Changes since new rfc: Mention mbm_event mode in commit message Changes since v3: Warning bound (Sashiko) Changes since v4: resctrl_arch_reset_rmid() -> reset_arch_reset_cntr() --- drivers/resctrl/mpam_resctrl.c | 48 +++++++++++++++++++++++++++++----- 1 file changed, 42 insertions(+), 6 deletions(-)
Reviewed-by: Gavin Shan <redacted>