Re: [PATCH v1 10/11] arm_mpam: Don't loop forever if there is the maximum possible amount of PARTIDs

[Gavin Shan]

On 7/10/26 9:55 PM, Ben Horgan wrote:
> On a theoretical platform with the maximum possible number of usable
> PARTIDs, 0XFFFF, the loops iterating over PARTID in mpam_reset_ris() and
> mpam_reprogram_ris() will never reach their termination condition leading
> to a system hang when register the cpu hotplug handlers when MPAM is
> enabling.
>
> Fix these loops.
>
> Fixes: f188a36ca241 ("arm_mpam: Reset MSC controls from cpuhp callbacks")
> Fixes: 09b89d2a72f3 ("arm_mpam: Allow configuration to be applied and restored during cpu online")
> Signed-off-by: Ben Horgan <ben.horgan@xxxxxxx>
> ---
>   drivers/resctrl/mpam_devices.c | 7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)

Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>