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-rw-r--r--tools/testing/selftests/mm/gup_test.c67
-rw-r--r--tools/testing/selftests/mm/soft-dirty.c2
-rw-r--r--tools/testing/selftests/mm/split_huge_page_test.c2
-rw-r--r--tools/testing/selftests/mm/uffd-common.c3
-rw-r--r--tools/testing/selftests/mm/uffd-common.h2
-rw-r--r--tools/testing/selftests/mm/uffd-unit-tests.c13
6 files changed, 53 insertions, 36 deletions
diff --git a/tools/testing/selftests/mm/gup_test.c b/tools/testing/selftests/mm/gup_test.c
index ec22291363..18a49c70d4 100644
--- a/tools/testing/selftests/mm/gup_test.c
+++ b/tools/testing/selftests/mm/gup_test.c
@@ -50,39 +50,41 @@ static char *cmd_to_str(unsigned long cmd)
void *gup_thread(void *data)
{
struct gup_test gup = *(struct gup_test *)data;
- int i;
+ int i, status;
/* Only report timing information on the *_BENCHMARK commands: */
if ((cmd == PIN_FAST_BENCHMARK) || (cmd == GUP_FAST_BENCHMARK) ||
(cmd == PIN_LONGTERM_BENCHMARK)) {
for (i = 0; i < repeats; i++) {
gup.size = size;
- if (ioctl(gup_fd, cmd, &gup))
- perror("ioctl"), exit(1);
+ status = ioctl(gup_fd, cmd, &gup);
+ if (status)
+ break;
pthread_mutex_lock(&print_mutex);
- printf("%s: Time: get:%lld put:%lld us",
- cmd_to_str(cmd), gup.get_delta_usec,
- gup.put_delta_usec);
+ ksft_print_msg("%s: Time: get:%lld put:%lld us",
+ cmd_to_str(cmd), gup.get_delta_usec,
+ gup.put_delta_usec);
if (gup.size != size)
- printf(", truncated (size: %lld)", gup.size);
- printf("\n");
+ ksft_print_msg(", truncated (size: %lld)", gup.size);
+ ksft_print_msg("\n");
pthread_mutex_unlock(&print_mutex);
}
} else {
gup.size = size;
- if (ioctl(gup_fd, cmd, &gup)) {
- perror("ioctl");
- exit(1);
- }
+ status = ioctl(gup_fd, cmd, &gup);
+ if (status)
+ goto return_;
pthread_mutex_lock(&print_mutex);
- printf("%s: done\n", cmd_to_str(cmd));
+ ksft_print_msg("%s: done\n", cmd_to_str(cmd));
if (gup.size != size)
- printf("Truncated (size: %lld)\n", gup.size);
+ ksft_print_msg("Truncated (size: %lld)\n", gup.size);
pthread_mutex_unlock(&print_mutex);
}
+return_:
+ ksft_test_result(!status, "ioctl status %d\n", status);
return NULL;
}
@@ -170,7 +172,7 @@ int main(int argc, char **argv)
touch = 1;
break;
default:
- return -1;
+ ksft_exit_fail_msg("Wrong argument\n");
}
}
@@ -198,11 +200,12 @@ int main(int argc, char **argv)
}
}
- filed = open(file, O_RDWR|O_CREAT);
- if (filed < 0) {
- perror("open");
- exit(filed);
- }
+ ksft_print_header();
+ ksft_set_plan(nthreads);
+
+ filed = open(file, O_RDWR|O_CREAT, 0664);
+ if (filed < 0)
+ ksft_exit_fail_msg("Unable to open %s: %s\n", file, strerror(errno));
gup.nr_pages_per_call = nr_pages;
if (write)
@@ -213,27 +216,24 @@ int main(int argc, char **argv)
switch (errno) {
case EACCES:
if (getuid())
- printf("Please run this test as root\n");
+ ksft_print_msg("Please run this test as root\n");
break;
case ENOENT:
- if (opendir("/sys/kernel/debug") == NULL) {
- printf("mount debugfs at /sys/kernel/debug\n");
- break;
- }
- printf("check if CONFIG_GUP_TEST is enabled in kernel config\n");
+ if (opendir("/sys/kernel/debug") == NULL)
+ ksft_print_msg("mount debugfs at /sys/kernel/debug\n");
+ ksft_print_msg("check if CONFIG_GUP_TEST is enabled in kernel config\n");
break;
default:
- perror("failed to open " GUP_TEST_FILE);
+ ksft_print_msg("failed to open %s: %s\n", GUP_TEST_FILE, strerror(errno));
break;
}
- exit(KSFT_SKIP);
+ ksft_test_result_skip("Please run this test as root\n");
+ return ksft_exit_pass();
}
p = mmap(NULL, size, PROT_READ | PROT_WRITE, flags, filed, 0);
- if (p == MAP_FAILED) {
- perror("mmap");
- exit(1);
- }
+ if (p == MAP_FAILED)
+ ksft_exit_fail_msg("mmap: %s\n", strerror(errno));
gup.addr = (unsigned long)p;
if (thp == 1)
@@ -264,7 +264,8 @@ int main(int argc, char **argv)
ret = pthread_join(tid[i], NULL);
assert(ret == 0);
}
+
free(tid);
- return 0;
+ return ksft_exit_pass();
}
diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c
index cc5f144430..7dbfa53d93 100644
--- a/tools/testing/selftests/mm/soft-dirty.c
+++ b/tools/testing/selftests/mm/soft-dirty.c
@@ -137,7 +137,7 @@ static void test_mprotect(int pagemap_fd, int pagesize, bool anon)
if (!map)
ksft_exit_fail_msg("anon mmap failed\n");
} else {
- test_fd = open(fname, O_RDWR | O_CREAT);
+ test_fd = open(fname, O_RDWR | O_CREAT, 0664);
if (test_fd < 0) {
ksft_test_result_skip("Test %s open() file failed\n", __func__);
return;
diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/selftests/mm/split_huge_page_test.c
index 0e74635c8c..dff3be2348 100644
--- a/tools/testing/selftests/mm/split_huge_page_test.c
+++ b/tools/testing/selftests/mm/split_huge_page_test.c
@@ -253,7 +253,7 @@ void split_file_backed_thp(void)
goto cleanup;
}
- fd = open(testfile, O_CREAT|O_WRONLY);
+ fd = open(testfile, O_CREAT|O_WRONLY, 0664);
if (fd == -1) {
perror("Cannot open testing file\n");
goto cleanup;
diff --git a/tools/testing/selftests/mm/uffd-common.c b/tools/testing/selftests/mm/uffd-common.c
index 02b89860e1..ba6777cdf4 100644
--- a/tools/testing/selftests/mm/uffd-common.c
+++ b/tools/testing/selftests/mm/uffd-common.c
@@ -17,6 +17,7 @@ bool map_shared;
bool test_uffdio_wp = true;
unsigned long long *count_verify;
uffd_test_ops_t *uffd_test_ops;
+atomic_bool ready_for_fork;
static int uffd_mem_fd_create(off_t mem_size, bool hugetlb)
{
@@ -507,6 +508,8 @@ void *uffd_poll_thread(void *arg)
pollfd[1].fd = pipefd[cpu*2];
pollfd[1].events = POLLIN;
+ ready_for_fork = true;
+
for (;;) {
ret = poll(pollfd, 2, -1);
if (ret <= 0) {
diff --git a/tools/testing/selftests/mm/uffd-common.h b/tools/testing/selftests/mm/uffd-common.h
index 7c4fa964c3..1f0d573f30 100644
--- a/tools/testing/selftests/mm/uffd-common.h
+++ b/tools/testing/selftests/mm/uffd-common.h
@@ -32,6 +32,7 @@
#include <inttypes.h>
#include <stdint.h>
#include <sys/random.h>
+#include <stdatomic.h>
#include "../kselftest.h"
#include "vm_util.h"
@@ -97,6 +98,7 @@ extern bool map_shared;
extern bool test_uffdio_wp;
extern unsigned long long *count_verify;
extern volatile bool test_uffdio_copy_eexist;
+extern atomic_bool ready_for_fork;
extern uffd_test_ops_t anon_uffd_test_ops;
extern uffd_test_ops_t shmem_uffd_test_ops;
diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c
index 2c68709062..92d51768b7 100644
--- a/tools/testing/selftests/mm/uffd-unit-tests.c
+++ b/tools/testing/selftests/mm/uffd-unit-tests.c
@@ -770,6 +770,8 @@ static void uffd_sigbus_test_common(bool wp)
char c;
struct uffd_args args = { 0 };
+ ready_for_fork = false;
+
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
if (uffd_register(uffd, area_dst, nr_pages * page_size,
@@ -785,6 +787,9 @@ static void uffd_sigbus_test_common(bool wp)
if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args))
err("uffd_poll_thread create");
+ while (!ready_for_fork)
+ ; /* Wait for the poll_thread to start executing before forking */
+
pid = fork();
if (pid < 0)
err("fork");
@@ -824,6 +829,8 @@ static void uffd_events_test_common(bool wp)
char c;
struct uffd_args args = { 0 };
+ ready_for_fork = false;
+
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
if (uffd_register(uffd, area_dst, nr_pages * page_size,
true, wp, false))
@@ -833,6 +840,9 @@ static void uffd_events_test_common(bool wp)
if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args))
err("uffd_poll_thread create");
+ while (!ready_for_fork)
+ ; /* Wait for the poll_thread to start executing before forking */
+
pid = fork();
if (pid < 0)
err("fork");
@@ -1219,7 +1229,8 @@ uffd_test_case_t uffd_tests[] = {
.uffd_fn = uffd_sigbus_wp_test,
.mem_targets = MEM_ALL,
.uffd_feature_required = UFFD_FEATURE_SIGBUS |
- UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP,
+ UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP |
+ UFFD_FEATURE_WP_HUGETLBFS_SHMEM,
},
{
.name = "events",
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 14:56:21 +0000