Re: [RFC PATCH 0/3] Suggestions for cache scalar controls

[Ben Horgan]

On 21/09/2026 14:56, Ben Horgan wrote:
> Hi Reinette,
> 
> I'm posting as a reply to your series to try and keep things together.
> These patches should just be taken as suggestions. The first two
> patches make the printing of the schema name simpler while keeping it
> out of the arch code. The last add support for scalar cache controls
> in the size file. I found these sufficient to add support for CMIN/CMAX
> on top of MPAM. I'll post these separately but if makes sense to you
> feel free to incorporate them in your PoC.

I've just put these MPAM changes on a branch here rather than making too much noise on the list.

https://gitlab.arm.com/linux-arm/linux-bh/ mpam_controls_on_generic_schema_poc

Ben

> 
> Thanks,
> 
> Ben
> 
> Ben Horgan (3):
>   fs/resctrl: Add schema_name to struct resctrl_ctrl
>   fs/resctrl: Use correct schema name in bw_validate() last_cmd_status
>     messages
>   fs/resctrl: display size for scalar cache controls
> 
>  fs/resctrl/ctrlmondata.c |  59 ++++++---------------
>  fs/resctrl/internal.h    |   4 +-
>  fs/resctrl/pseudo_lock.c |   2 +-
>  fs/resctrl/rdtgroup.c    | 110 +++++++++++++++++++++++++--------------
>  include/linux/resctrl.h  |   1 +
>  5 files changed, 91 insertions(+), 85 deletions(-)
>