Re: [PATCH v3 03/10] x86/resctrl: Add a new resource type RDT_RESOURCE_SMBA

From: Moger, Babu
Date: Fri Aug 26 2022 - 11:00:00 EST


Hi Reinette,

On 8/22/22 08:43, Babu Moger wrote:
> Adds a new resource type RDT_RESOURCE_SMBA to handle the QoS
> enforcement policies on the external slow memory.
>
> Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
> Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx>
> ---
> arch/x86/kernel/cpu/resctrl/core.c | 12 ++++++++++++
> arch/x86/kernel/cpu/resctrl/internal.h | 1 +
> 2 files changed, 13 insertions(+)
>
> diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
> index a5c51a14fbce..6c38427b71a2 100644
> --- a/arch/x86/kernel/cpu/resctrl/core.c
> +++ b/arch/x86/kernel/cpu/resctrl/core.c
> @@ -100,6 +100,18 @@ struct rdt_hw_resource rdt_resources_all[] = {
> .fflags = RFTYPE_RES_MB,
> },
> },
> + [RDT_RESOURCE_SMBA] =
> + {
> + .r_resctrl = {
> + .rid = RDT_RESOURCE_SMBA,
> + .name = "SB",


For some reason some of the messages are not landing in the mailbox.

Yes.  I will change it to "SMBA" instead of just "SB".

Thanks

Babu


> + .cache_level = 3,
> + .domains = domain_init(RDT_RESOURCE_SMBA),
> + .parse_ctrlval = parse_bw,
> + .format_str = "%d=%*u",
> + .fflags = RFTYPE_RES_MB,
> + },
> + },
> };
>
> /*
> diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h
> index 1d647188a43b..24a1dfeb6cb2 100644
> --- a/arch/x86/kernel/cpu/resctrl/internal.h
> +++ b/arch/x86/kernel/cpu/resctrl/internal.h
> @@ -418,6 +418,7 @@ enum resctrl_res_level {
> RDT_RESOURCE_L3,
> RDT_RESOURCE_L2,
> RDT_RESOURCE_MBA,
> + RDT_RESOURCE_SMBA,
>
> /* Must be the last */
> RDT_NUM_RESOURCES,
>
>
--
Thanks
Babu Moger