Re: [PATCH v9 08/10] fs/resctrl: Modify rdt_parse_data to pass mode and CLOSID

[Moger, Babu]

Hi Reinette,

On 9/18/2025 12:44 AM, Reinette Chatre wrote:
> Hi Babu,
>
> nit:
> Subject: fs/resctrl: Modify struct rdt_parse_data to pass mode and CLOSID

sure.

> On 9/2/25 3:41 PM, Babu Moger wrote:
> > parse_cbm() require resource group mode and CLOSID to validate the Capacity
> > Bit Mask (CBM). It is passed via struct rdtgroup in struct rdt_parse_data.
> >
> > The io_alloc feature also uses CBMs to indicate which portions of cache are
> > allocated for I/O traffic. The CBMs are provided by user space and need to
> > be validated the same as CBMs provided for general (CPU) cache allocation.
> > parse_cbm() cannot be used as-is since io_alloc does not have rdtgroup
> > context.
> >
> > Pass the resource group mode and CLOSID directly to parse_cbm() via struct
> > rdt_parse_data, instead of through the rdtgroup struct, to facilitate
> > calling parse_cbm() to verify the CBM of the io_alloc feature.
> >
> > Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
> > ---
>
> With Subject change:
>
> | Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>

Thanks
Babu