From: Ilpo Järvinen Date: Mon, 10 Jun 2024 15:14:53 +0000 (+0300) Subject: selftests/resctrl: Make some strings passed to resctrlfs functions const X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=909592b5dafa3680994b1d5144b6d5781eb49ab8;p=users%2Fjedix%2Flinux-maple.git selftests/resctrl: Make some strings passed to resctrlfs functions const 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 Tested-by: Babu Moger Reviewed-by: Reinette Chatre Signed-off-by: Shuah Khan --- diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h index 4446a0e493ef1..5967389038d4b 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 9e4cda154d66d..f4dc8ef23a8c5 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 @@ out: * * 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;