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-rw-r--r--tools/testing/selftests/cgroup/cgroup_util.c8
-rw-r--r--tools/testing/selftests/cgroup/cgroup_util.h2
-rw-r--r--tools/testing/selftests/cgroup/test_core.c7
-rw-r--r--tools/testing/selftests/cgroup/test_cpu.c2
-rw-r--r--tools/testing/selftests/cgroup/test_cpuset.c2
-rw-r--r--tools/testing/selftests/cgroup/test_freezer.c2
-rw-r--r--tools/testing/selftests/cgroup/test_hugetlb_memcg.c2
-rw-r--r--tools/testing/selftests/cgroup/test_kill.c2
-rw-r--r--tools/testing/selftests/cgroup/test_kmem.c2
-rw-r--r--tools/testing/selftests/cgroup/test_memcontrol.c2
-rw-r--r--tools/testing/selftests/cgroup/test_zswap.c2
11 files changed, 20 insertions, 13 deletions
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c
index 0340d4ca8f51..432db923bced 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.c
+++ b/tools/testing/selftests/cgroup/cgroup_util.c
@@ -195,10 +195,10 @@ int cg_write_numeric(const char *cgroup, const char *control, long value)
return cg_write(cgroup, control, buf);
}
-int cg_find_unified_root(char *root, size_t len)
+int cg_find_unified_root(char *root, size_t len, bool *nsdelegate)
{
char buf[10 * PAGE_SIZE];
- char *fs, *mount, *type;
+ char *fs, *mount, *type, *options;
const char delim[] = "\n\t ";
if (read_text("/proc/self/mounts", buf, sizeof(buf)) <= 0)
@@ -211,12 +211,14 @@ int cg_find_unified_root(char *root, size_t len)
for (fs = strtok(buf, delim); fs; fs = strtok(NULL, delim)) {
mount = strtok(NULL, delim);
type = strtok(NULL, delim);
- strtok(NULL, delim);
+ options = strtok(NULL, delim);
strtok(NULL, delim);
strtok(NULL, delim);
if (strcmp(type, "cgroup2") == 0) {
strncpy(root, mount, len);
+ if (nsdelegate)
+ *nsdelegate = !!strstr(options, "nsdelegate");
return 0;
}
}
diff --git a/tools/testing/selftests/cgroup/cgroup_util.h b/tools/testing/selftests/cgroup/cgroup_util.h
index 1df7f202214a..89e8519fb271 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.h
+++ b/tools/testing/selftests/cgroup/cgroup_util.h
@@ -21,7 +21,7 @@ static inline int values_close(long a, long b, int err)
return abs(a - b) <= (a + b) / 100 * err;
}
-extern int cg_find_unified_root(char *root, size_t len);
+extern int cg_find_unified_root(char *root, size_t len, bool *nsdelegate);
extern char *cg_name(const char *root, const char *name);
extern char *cg_name_indexed(const char *root, const char *name, int index);
extern char *cg_control(const char *cgroup, const char *control);
diff --git a/tools/testing/selftests/cgroup/test_core.c b/tools/testing/selftests/cgroup/test_core.c
index 80aa6b2373b9..a5672a91d273 100644
--- a/tools/testing/selftests/cgroup/test_core.c
+++ b/tools/testing/selftests/cgroup/test_core.c
@@ -18,6 +18,8 @@
#include "../kselftest.h"
#include "cgroup_util.h"
+static bool nsdelegate;
+
static int touch_anon(char *buf, size_t size)
{
int fd;
@@ -775,6 +777,9 @@ static int test_cgcore_lesser_ns_open(const char *root)
pid_t pid;
int status;
+ if (!nsdelegate)
+ return KSFT_SKIP;
+
cg_test_a = cg_name(root, "cg_test_a");
cg_test_b = cg_name(root, "cg_test_b");
@@ -862,7 +867,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), &nsdelegate))
ksft_exit_skip("cgroup v2 isn't mounted\n");
if (cg_read_strstr(root, "cgroup.subtree_control", "memory"))
diff --git a/tools/testing/selftests/cgroup/test_cpu.c b/tools/testing/selftests/cgroup/test_cpu.c
index 24020a2c68dc..186bf96f6a28 100644
--- a/tools/testing/selftests/cgroup/test_cpu.c
+++ b/tools/testing/selftests/cgroup/test_cpu.c
@@ -700,7 +700,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
if (cg_read_strstr(root, "cgroup.subtree_control", "cpu"))
diff --git a/tools/testing/selftests/cgroup/test_cpuset.c b/tools/testing/selftests/cgroup/test_cpuset.c
index b061ed1e05b4..4034d14ba69a 100644
--- a/tools/testing/selftests/cgroup/test_cpuset.c
+++ b/tools/testing/selftests/cgroup/test_cpuset.c
@@ -249,7 +249,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
if (cg_read_strstr(root, "cgroup.subtree_control", "cpuset"))
diff --git a/tools/testing/selftests/cgroup/test_freezer.c b/tools/testing/selftests/cgroup/test_freezer.c
index 8845353aca53..8730645d363a 100644
--- a/tools/testing/selftests/cgroup/test_freezer.c
+++ b/tools/testing/selftests/cgroup/test_freezer.c
@@ -827,7 +827,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
for (i = 0; i < ARRAY_SIZE(tests); i++) {
switch (tests[i].fn(root)) {
diff --git a/tools/testing/selftests/cgroup/test_hugetlb_memcg.c b/tools/testing/selftests/cgroup/test_hugetlb_memcg.c
index f0fefeb4cc24..856f9508ea56 100644
--- a/tools/testing/selftests/cgroup/test_hugetlb_memcg.c
+++ b/tools/testing/selftests/cgroup/test_hugetlb_memcg.c
@@ -214,7 +214,7 @@ int main(int argc, char **argv)
return ret;
}
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
switch (test_hugetlb_memcg(root)) {
diff --git a/tools/testing/selftests/cgroup/test_kill.c b/tools/testing/selftests/cgroup/test_kill.c
index 6153690319c9..0e5bb6c7307a 100644
--- a/tools/testing/selftests/cgroup/test_kill.c
+++ b/tools/testing/selftests/cgroup/test_kill.c
@@ -276,7 +276,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
for (i = 0; i < ARRAY_SIZE(tests); i++) {
switch (tests[i].fn(root)) {
diff --git a/tools/testing/selftests/cgroup/test_kmem.c b/tools/testing/selftests/cgroup/test_kmem.c
index c82f974b85c9..137506db0312 100644
--- a/tools/testing/selftests/cgroup/test_kmem.c
+++ b/tools/testing/selftests/cgroup/test_kmem.c
@@ -420,7 +420,7 @@ int main(int argc, char **argv)
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
/*
diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
index c7c9572003a8..b462416b3806 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -1314,7 +1314,7 @@ int main(int argc, char **argv)
char root[PATH_MAX];
int i, proc_status, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
/*
diff --git a/tools/testing/selftests/cgroup/test_zswap.c b/tools/testing/selftests/cgroup/test_zswap.c
index f0e488ed90d8..ef7f39545317 100644
--- a/tools/testing/selftests/cgroup/test_zswap.c
+++ b/tools/testing/selftests/cgroup/test_zswap.c
@@ -440,7 +440,7 @@ int main(int argc, char **argv)
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
if (!zswap_configured())
generated by cgit (git 2.34.1) at 2025-05-15 16:48:36 +0000