Re: [PATCH 0/3] arm_mpam: NRDY fixes
From: James Morse
Date: Thu May 07 2026 - 13:20:19 EST
Hi Ben,
(CC: +Catalin, and the arm list - as this is the route the original code went)
On 07/05/2026 16:28, Ben Horgan wrote:
> The detection of whether or not NRDY is hardware or software managed is
> unreliable. Fix this a bit but don't rely on it.
>
> Based on v7.1-rc2
>
> Ben Horgan (3):
> arm_mpam: Fix monitor instance selection when checking for hardware
> NRDY
> arm_mpam: Pretend that NRDY is always hardware managed
> arm_mpam: Improve check for whether or not NRDY is hardware managed
>
> drivers/resctrl/mpam_devices.c | 68 ++++++++++++++-------------------
> drivers/resctrl/mpam_internal.h | 2 -
> 2 files changed, 29 insertions(+), 41 deletions(-)
>
For the series:
Reviewed-by: James Morse <james.morse@xxxxxxx>
Catalin, could you pick this up for rc3?
There is another series of fixes that touches cpufeature to add v0.1 MPAM support.
I'm testing testing that before reposting it.
Thanks,
James