[PATCH v3 8/8] arm_mpam: resctrl: Rename struct mpam_resctrl_dom to mpam_resctrl_ctrl_dom

From: Reinette Chatre

Date: Mon Nov 09 2026 - 23:51:09 EST


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.

Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Tested-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
Reviewed-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
---
Changes since RFC v2:
- Add Jinjie's Reviewed-by tag.
- Add Jinjie's Tested-by tag.
---
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 263bbbc27dac..8894d0d19468 100644
--- a/drivers/resctrl/mpam_resctrl.c
+++ b/drivers/resctrl/mpam_resctrl.c
@@ -1400,7 +1400,7 @@ 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();
@@ -1409,7 +1409,7 @@ 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;

/*
@@ -1460,7 +1460,7 @@ 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();
@@ -1473,7 +1473,7 @@ 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))
@@ -1643,7 +1643,7 @@ 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;
@@ -1741,10 +1741,10 @@ 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();
@@ -1761,7 +1761,7 @@ 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);
@@ -1811,7 +1811,7 @@ 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);

--
2.56.0