lkml.org 
[lkml]   [2021]   [Jul]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v1 02/20] x86/resctrl: Merge mon_capable and mon_enabled
Date
mon_enabled and mon_capable are always set as a pair by
rdt_get_mon_l3_config().

There is no point having two values.

Merge them together.

Signed-off-by: James Morse <james.morse@arm.com>
---
arch/x86/kernel/cpu/resctrl/internal.h | 4 ----
arch/x86/kernel/cpu/resctrl/monitor.c | 1 -
arch/x86/kernel/cpu/resctrl/rdtgroup.c | 8 ++++----
include/linux/resctrl.h | 4 ++--
4 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h
index 53f3d275a98f..8828b5c1b6d2 100644
--- a/arch/x86/kernel/cpu/resctrl/internal.h
+++ b/arch/x86/kernel/cpu/resctrl/internal.h
@@ -459,10 +459,6 @@ int resctrl_arch_set_cdp_enabled(enum resctrl_res_level l, bool enable);
for_each_rdt_resource(r) \
if (r->mon_capable)

-#define for_each_mon_enabled_rdt_resource(r) \
- for_each_rdt_resource(r) \
- if (r->mon_enabled)
-
/* CPUID.(EAX=10H, ECX=ResID=1).EAX */
union cpuid_0x10_1_eax {
struct {
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index eb227298487f..035e45e711ae 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -712,7 +712,6 @@ int rdt_get_mon_l3_config(struct rdt_resource *r)
l3_mon_evt_init(r);

r->mon_capable = true;
- r->mon_enabled = true;

return 0;
}
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index 09d87dbd72ca..3eb5f94a9e7d 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -1763,7 +1763,7 @@ static int rdtgroup_create_info_dir(struct kernfs_node *parent_kn)
goto out_destroy;
}

- for_each_mon_enabled_rdt_resource(r) {
+ for_each_mon_capable_rdt_resource(r) {
fflags = r->fflags | RF_MON_INFO;
sprintf(name, "%s_MON", r->name);
ret = rdtgroup_mkdir_info_resdir(r, name, fflags);
@@ -2502,7 +2502,7 @@ void rmdir_mondata_subdir_allrdtgrp(struct rdt_resource *r, unsigned int dom_id)
struct rdtgroup *prgrp, *crgrp;
char name[32];

- if (!r->mon_enabled)
+ if (!r->mon_capable)
return;

list_for_each_entry(prgrp, &rdt_all_groups, rdtgroup_list) {
@@ -2570,7 +2570,7 @@ void mkdir_mondata_subdir_allrdtgrp(struct rdt_resource *r,
struct rdtgroup *prgrp, *crgrp;
struct list_head *head;

- if (!r->mon_enabled)
+ if (!r->mon_capable)
return;

list_for_each_entry(prgrp, &rdt_all_groups, rdtgroup_list) {
@@ -2640,7 +2640,7 @@ static int mkdir_mondata_all(struct kernfs_node *parent_kn,
* Create the subdirectories for each domain. Note that all events
* in a domain like L3 are grouped into a resource whose domain is L3
*/
- for_each_mon_enabled_rdt_resource(r) {
+ for_each_mon_capable_rdt_resource(r) {
ret = mkdir_mondata_subdir_alldom(kn, r, prgrp);
if (ret)
goto out_destroy;
diff --git a/include/linux/resctrl.h b/include/linux/resctrl.h
index ada0a02093a6..d715df9de37f 100644
--- a/include/linux/resctrl.h
+++ b/include/linux/resctrl.h
@@ -130,7 +130,7 @@ struct resctrl_schema;
/**
* struct rdt_resource - attributes of a resctrl resource
* @rid: The index of the resource
- * @mon_enabled: Is monitoring enabled for this feature
+ * @cdp_enabled Is CDP enabled for this resource
* @alloc_capable: Is allocation available on this machine
* @mon_capable: Is monitor feature available on this machine
* @num_rmid: Number of RMIDs available
@@ -149,7 +149,7 @@ struct resctrl_schema;
*/
struct rdt_resource {
int rid;
- bool mon_enabled;
+ bool cdp_enabled;
bool alloc_capable;
bool mon_capable;
int num_rmid;
--
2.30.2
\
 
 \ /
  Last update: 2021-07-30 00:36    [W:0.155 / U:0.084 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site