[PATCH v2 10/12] arm_mpam: Don't loop forever if there is the maximum possible amount of PARTIDs

[Gavin Shan]

On 9/18/26 12:56 AM, 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 at arm.com>
> Tested-by: Gavin Shan <gshan at redhat.com>
> ---
>   drivers/resctrl/mpam_devices.c | 7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)
> 
Reviewed-by: Gavin Shan <gshan at redhat.com>