Control group, monitor group and resctrl_val are not mutated and
should not be mutated within resctrlfs.c functions.
Mark this by using const char * for the arguments.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
---
tools/testing/selftests/resctrl/resctrl.h | 7 ++++---
tools/testing/selftests/resctrl/resctrlfs.c | 7 ++++---
2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
index 4446a0e493ef..5967389038d4 100644
--- a/tools/testing/selftests/resctrl/resctrl.h
+++ b/tools/testing/selftests/resctrl/resctrl.h
@@ -141,9 +141,10 @@ bool test_resource_feature_check(const struct resctrl_test *test);
char *fgrep(FILE *inf, const char *str);
int taskset_benchmark(pid_t bm_pid, int cpu_no, cpu_set_t *old_affinity);
int taskset_restore(pid_t bm_pid, cpu_set_t *old_affinity);
-int write_schemata(char *ctrlgrp, char *schemata, int cpu_no, const char *resource);
-int write_bm_pid_to_resctrl(pid_t bm_pid, char *ctrlgrp, char *mongrp,
- char *resctrl_val);
+int write_schemata(const char *ctrlgrp, char *schemata, int cpu_no,
+ const char *resource);
+int write_bm_pid_to_resctrl(pid_t bm_pid, const char *ctrlgrp,
+ const char *mongrp, const char *resctrl_val);
int perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu,
int group_fd, unsigned long flags);
unsigned char *alloc_buffer(size_t buf_size, int memflush);
diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c
index 9e4cda154d66..f4dc8ef23a8c 100644
--- a/tools/testing/selftests/resctrl/resctrlfs.c
+++ b/tools/testing/selftests/resctrl/resctrlfs.c
@@ -534,8 +534,8 @@ static int write_pid_to_tasks(char *tasks, pid_t pid)
*
* Return: 0 on success, < 0 on error.
*/
-int write_bm_pid_to_resctrl(pid_t bm_pid, char *ctrlgrp, char *mongrp,
- char *resctrl_val)
+int write_bm_pid_to_resctrl(pid_t bm_pid, const char *ctrlgrp,
+ const char *mongrp, const char *resctrl_val)
{
char controlgroup[128], monitorgroup[512], monitorgroup_p[256];
char tasks[1024];
@@ -593,7 +593,8 @@ int write_bm_pid_to_resctrl(pid_t bm_pid, char *ctrlgrp, char *mongrp,
*
* Return: 0 on success, < 0 on error.
*/
-int write_schemata(char *ctrlgrp, char *schemata, int cpu_no, const char *resource)
+int write_schemata(const char *ctrlgrp, char *schemata, int cpu_no,
+ const char *resource)
{
char controlgroup[1024], reason[128], schema[1024] = {};
int domain_id, fd, schema_len, ret = 0;
--
2.39.2
