Re: [PATCH v8 1/8] x86/resctrl: Prepare for new domain scope

From: Peter Newman
Date: Thu Oct 05 2023 - 12:06:34 EST


On Tue, Oct 3, 2023 at 11:30 PM Tony Luck <tony.luck@xxxxxxxxx> wrote:
> diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
> index 725344048f85..04c164f6d39d 100644
> --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
> +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
> @@ -1345,10 +1345,13 @@ unsigned int rdtgroup_cbm_to_size(struct rdt_resource *r,
> unsigned int size = 0;
> int num_b, i;
>
> + if (WARN_ON_ONCE(r->scope != RESCTRL_L2_CACHE && r->scope != RESCTRL_L3_CACHE))
> + return size;

Thanks!

Reviewed-by: Peter Newman <peternewman@xxxxxxxxxx>