[4/4] perf: Constify static struct attribute_group

Commit Message

Rikard Falkeborn Jan. 17, 2021, 9:28 p.m. UTC

The only usage is to put their addresses in an array of pointers to
const struct attribute group. Make them const to allow the compiler
to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <[e-mail]>
---
 drivers/perf/arm-cci.c        | 2 +-
 drivers/perf/arm-cmn.c        | 2 +-
 drivers/perf/arm_dmc620_pmu.c | 4 ++--
 drivers/perf/arm_pmu.c        | 2 +-
 drivers/perf/arm_smmuv3_pmu.c | 8 ++++----
 drivers/perf/arm_spe_pmu.c    | 6 +++---
 6 files changed, 12 insertions(+), 12 deletions(-)

Patch

diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c
index 87c4be9dd412..a75cf77c4de4 100644
--- a/drivers/perf/arm-cci.c
+++ b/drivers/perf/arm-cci.c
@@ -1376,7 +1376,7 @@  static struct attribute *pmu_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group pmu_attr_group = {
+static const struct attribute_group pmu_attr_group = {
 	.attrs = pmu_attrs,
 };
 
diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c
index a76ff594f3ca..f30fcd330899 100644
--- a/drivers/perf/arm-cmn.c
+++ b/drivers/perf/arm-cmn.c
@@ -616,7 +616,7 @@  static struct attribute *arm_cmn_cpumask_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group arm_cmn_cpumask_attr_group = {
+static const struct attribute_group arm_cmn_cpumask_attr_group = {
 	.attrs = arm_cmn_cpumask_attrs,
 };
 
diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c
index 004930eb4bbb..27f54c0afc3b 100644
--- a/drivers/perf/arm_dmc620_pmu.c
+++ b/drivers/perf/arm_dmc620_pmu.c
@@ -159,7 +159,7 @@  static struct attribute *dmc620_pmu_events_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group dmc620_pmu_events_attr_group = {
+static const struct attribute_group dmc620_pmu_events_attr_group = {
 	.name = "events",
 	.attrs = dmc620_pmu_events_attrs,
 };
@@ -222,7 +222,7 @@  static struct attribute *dmc620_pmu_formats_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group dmc620_pmu_format_attr_group = {
+static const struct attribute_group dmc620_pmu_format_attr_group = {
 	.name	= "format",
 	.attrs	= dmc620_pmu_formats_attrs,
 };
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index cb2f55f450e4..2d10d84fb79c 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -577,7 +577,7 @@  static struct attribute *armpmu_common_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group armpmu_common_attr_group = {
+static const struct attribute_group armpmu_common_attr_group = {
 	.attrs = armpmu_common_attrs,
 };
 
diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index 74474bb322c3..8ff7a67f691c 100644
--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c
@@ -493,7 +493,7 @@  static struct attribute *smmu_pmu_cpumask_attrs[] = {
 	NULL
 };
 
-static struct attribute_group smmu_pmu_cpumask_group = {
+static const struct attribute_group smmu_pmu_cpumask_group = {
 	.attrs = smmu_pmu_cpumask_attrs,
 };
 
@@ -548,7 +548,7 @@  static umode_t smmu_pmu_event_is_visible(struct kobject *kobj,
 	return 0;
 }
 
-static struct attribute_group smmu_pmu_events_group = {
+static const struct attribute_group smmu_pmu_events_group = {
 	.name = "events",
 	.attrs = smmu_pmu_events,
 	.is_visible = smmu_pmu_event_is_visible,
@@ -583,7 +583,7 @@  static struct attribute *smmu_pmu_identifier_attrs[] = {
 	NULL
 };
 
-static struct attribute_group smmu_pmu_identifier_group = {
+static const struct attribute_group smmu_pmu_identifier_group = {
 	.attrs = smmu_pmu_identifier_attrs,
 	.is_visible = smmu_pmu_identifier_attr_visible,
 };
@@ -602,7 +602,7 @@  static struct attribute *smmu_pmu_formats[] = {
 	NULL
 };
 
-static struct attribute_group smmu_pmu_format_group = {
+static const struct attribute_group smmu_pmu_format_group = {
 	.name = "format",
 	.attrs = smmu_pmu_formats,
 };
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index cc00915ad6d1..7593caf12555 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -146,7 +146,7 @@  static struct attribute *arm_spe_pmu_cap_attr[] = {
 	NULL,
 };
 
-static struct attribute_group arm_spe_pmu_cap_group = {
+static const struct attribute_group arm_spe_pmu_cap_group = {
 	.name	= "caps",
 	.attrs	= arm_spe_pmu_cap_attr,
 };
@@ -227,7 +227,7 @@  static struct attribute *arm_spe_pmu_formats_attr[] = {
 	NULL,
 };
 
-static struct attribute_group arm_spe_pmu_format_group = {
+static const struct attribute_group arm_spe_pmu_format_group = {
 	.name	= "format",
 	.attrs	= arm_spe_pmu_formats_attr,
 };
@@ -247,7 +247,7 @@  static struct attribute *arm_spe_pmu_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group arm_spe_pmu_group = {
+static const struct attribute_group arm_spe_pmu_group = {
 	.attrs	= arm_spe_pmu_attrs,
 };