Re: [RFC PATCH v2 06/10] arm_mpam: resctrl: Rename struct mpam_resctrl_dom to mpam_resctrl_ctrl_dom

From: Jinjie Ruan

Date: Mon Oct 26 2026 - 08:40:54 EST




在 2026/10/20 6:07, Reinette Chatre 写道:
> struct mpam_resctrl_dom holds the control domain of a resource, while
> its monitoring domain is held by struct mpam_resctrl_mon_dom. Unlike the
> name of the monitoring structure, the name struct mpam_resctrl_dom does
> not say which kind of domain the structure holds.
>
> Rename it to struct mpam_resctrl_ctrl_dom to match its monitoring
> counterpart.
>
> No functional change.

LGTM
Reviewed-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>

>
> Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
> ---
> drivers/resctrl/mpam_internal.h | 2 +-
> drivers/resctrl/mpam_resctrl.c | 18 +++++++++---------
> 2 files changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/resctrl/mpam_internal.h b/drivers/resctrl/mpam_internal.h
> index 1df439ecb055..dc304e4e0dc0 100644
> --- a/drivers/resctrl/mpam_internal.h
> +++ b/drivers/resctrl/mpam_internal.h
> @@ -432,7 +432,7 @@ struct mpam_msc_ris {
> struct mpam_garbage garbage;
> };
>
> -struct mpam_resctrl_dom {
> +struct mpam_resctrl_ctrl_dom {
> struct mpam_component *ctrl_comp;
> struct rdt_ctrl_domain resctrl_ctrl_dom;
> };
> diff --git a/drivers/resctrl/mpam_resctrl.c b/drivers/resctrl/mpam_resctrl.c
> index ce5519635c51..022920be1862 100644
> --- a/drivers/resctrl/mpam_resctrl.c
> +++ b/drivers/resctrl/mpam_resctrl.c
> @@ -1375,7 +1375,7 @@ u32 resctrl_arch_get_config(struct rdt_resource *r, struct rdt_ctrl_domain *d,
> struct mpam_config *cfg;
> struct mpam_props *cprops;
> struct mpam_resctrl_res *res;
> - struct mpam_resctrl_dom *dom;
> + struct mpam_resctrl_ctrl_dom *dom;
> enum mpam_device_features configured_by;
>
> lockdep_assert_cpus_held();
> @@ -1384,7 +1384,7 @@ u32 resctrl_arch_get_config(struct rdt_resource *r, struct rdt_ctrl_domain *d,
> return resctrl_get_default_ctrl(r);
>
> res = container_of(r, struct mpam_resctrl_res, resctrl_res);
> - dom = container_of(d, struct mpam_resctrl_dom, resctrl_ctrl_dom);
> + dom = container_of(d, struct mpam_resctrl_ctrl_dom, resctrl_ctrl_dom);
> cprops = &res->class->props;
>
> /*
> @@ -1435,7 +1435,7 @@ int resctrl_arch_update_one(struct rdt_resource *r, struct rdt_ctrl_domain *d,
> struct mpam_config cfg;
> struct mpam_props *cprops;
> struct mpam_resctrl_res *res;
> - struct mpam_resctrl_dom *dom;
> + struct mpam_resctrl_ctrl_dom *dom;
>
> lockdep_assert_cpus_held();
> lockdep_assert_irqs_enabled();
> @@ -1448,7 +1448,7 @@ int resctrl_arch_update_one(struct rdt_resource *r, struct rdt_ctrl_domain *d,
> * resctrl_arch_update_domains() relies on this.
> */
> res = container_of(r, struct mpam_resctrl_res, resctrl_res);
> - dom = container_of(d, struct mpam_resctrl_dom, resctrl_ctrl_dom);
> + dom = container_of(d, struct mpam_resctrl_ctrl_dom, resctrl_ctrl_dom);
> cprops = &res->class->props;
>
> if (mpam_resctrl_hide_cdp(r->rid))
> @@ -1618,7 +1618,7 @@ static struct mpam_component *find_component(struct mpam_class *class, int cpu)
> static int mpam_resctrl_setup_ctrl_domain(unsigned int cpu,
> struct rdt_resource *r,
> struct mpam_component *comp,
> - struct mpam_resctrl_dom *dom)
> + struct mpam_resctrl_ctrl_dom *dom)
> {
> struct rdt_ctrl_domain *ctrl_d = &dom->resctrl_ctrl_dom;
> int err;
> @@ -1710,10 +1710,10 @@ static struct mpam_resctrl_mon_dom *mpam_resctrl_get_mon_domain_from_cpu(int cpu
> return NULL;
> }
>
> -static struct mpam_resctrl_dom *
> +static struct mpam_resctrl_ctrl_dom *
> mpam_resctrl_get_ctrl_domain_from_cpu(int cpu, struct mpam_resctrl_res *res)
> {
> - struct mpam_resctrl_dom *dom;
> + struct mpam_resctrl_ctrl_dom *dom;
> struct rdt_resource *r = &res->resctrl_res;
>
> lockdep_assert_cpus_held();
> @@ -1730,7 +1730,7 @@ static void mpam_resctrl_add_cpu_ctrl_domain(unsigned int cpu,
> struct mpam_resctrl_res *res)
> {
> struct rdt_resource *r = &res->resctrl_res;
> - struct mpam_resctrl_dom *dom;
> + struct mpam_resctrl_ctrl_dom *dom;
> struct mpam_component *comp;
>
> lockdep_assert_held(&domain_list_lock);
> @@ -1780,7 +1780,7 @@ static void mpam_resctrl_remove_cpu_ctrl_domain(unsigned int cpu,
> struct mpam_resctrl_res *res)
> {
> struct rdt_resource *r = &res->resctrl_res;
> - struct mpam_resctrl_dom *dom;
> + struct mpam_resctrl_ctrl_dom *dom;
>
> lockdep_assert_held(&domain_list_lock);
>

--
Best regards,
Jinjie