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-rw-r--r--tools/testing/selftests/mm/Makefile6
-rw-r--r--tools/testing/selftests/mm/compaction_test.c6
-rw-r--r--tools/testing/selftests/mm/cow.c2
-rw-r--r--tools/testing/selftests/mm/gup_longterm.c2
-rw-r--r--tools/testing/selftests/mm/gup_test.c6
-rw-r--r--tools/testing/selftests/mm/ksm_functional_tests.c2
-rw-r--r--tools/testing/selftests/mm/madv_populate.c2
-rw-r--r--tools/testing/selftests/mm/mdwe_test.c1
-rw-r--r--tools/testing/selftests/mm/mkdirty.c2
-rw-r--r--tools/testing/selftests/mm/pagemap_ioctl.c4
-rw-r--r--tools/testing/selftests/mm/protection_keys.c34
-rwxr-xr-xtools/testing/selftests/mm/run_vmtests.sh2
-rw-r--r--tools/testing/selftests/mm/soft-dirty.c4
-rw-r--r--tools/testing/selftests/mm/split_huge_page_test.c4
-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
-rw-r--r--tools/testing/selftests/mm/vm_util.h2
18 files changed, 41 insertions, 56 deletions
diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile
index eb5f39a2668b..410495e0a611 100644
--- a/tools/testing/selftests/mm/Makefile
+++ b/tools/testing/selftests/mm/Makefile
@@ -12,7 +12,7 @@ uname_M := $(shell uname -m 2>/dev/null || echo not)
else
uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+')
endif
-ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/ppc64/')
+ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/powerpc/')
endif
# Without this, failed build products remain, with up-to-date timestamps,
@@ -98,13 +98,13 @@ TEST_GEN_FILES += $(BINARIES_64)
endif
else
-ifneq (,$(findstring $(ARCH),ppc64))
+ifneq (,$(findstring $(ARCH),powerpc))
TEST_GEN_FILES += protection_keys
endif
endif
-ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sparc64 x86_64))
+ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 powerpc riscv64 s390x sparc64 x86_64))
TEST_GEN_FILES += va_high_addr_switch
TEST_GEN_FILES += virtual_address_range
TEST_GEN_FILES += write_to_hugetlbfs
diff --git a/tools/testing/selftests/mm/compaction_test.c b/tools/testing/selftests/mm/compaction_test.c
index 533999b6c284..4f42eb7d7636 100644
--- a/tools/testing/selftests/mm/compaction_test.c
+++ b/tools/testing/selftests/mm/compaction_test.c
@@ -177,7 +177,7 @@ int main(int argc, char **argv)
ksft_print_header();
if (prereq() || geteuid())
- return ksft_exit_skip("Prerequisites unsatisfied\n");
+ ksft_exit_skip("Prerequisites unsatisfied\n");
ksft_set_plan(1);
@@ -225,7 +225,7 @@ int main(int argc, char **argv)
}
if (check_compaction(mem_free, hugepage_size) == 0)
- return ksft_exit_pass();
+ ksft_exit_pass();
- return ksft_exit_fail();
+ ksft_exit_fail();
}
diff --git a/tools/testing/selftests/mm/cow.c b/tools/testing/selftests/mm/cow.c
index 363bf5f801be..fe078d6e1806 100644
--- a/tools/testing/selftests/mm/cow.c
+++ b/tools/testing/selftests/mm/cow.c
@@ -1779,5 +1779,5 @@ int main(int argc, char **argv)
if (err)
ksft_exit_fail_msg("%d out of %d tests failed\n",
err, ksft_test_num());
- return ksft_exit_pass();
+ ksft_exit_pass();
}
diff --git a/tools/testing/selftests/mm/gup_longterm.c b/tools/testing/selftests/mm/gup_longterm.c
index ad168d35b23b..d7eaca5bbe9b 100644
--- a/tools/testing/selftests/mm/gup_longterm.c
+++ b/tools/testing/selftests/mm/gup_longterm.c
@@ -456,5 +456,5 @@ int main(int argc, char **argv)
if (err)
ksft_exit_fail_msg("%d out of %d tests failed\n",
err, ksft_test_num());
- return ksft_exit_pass();
+ ksft_exit_pass();
}
diff --git a/tools/testing/selftests/mm/gup_test.c b/tools/testing/selftests/mm/gup_test.c
index cbe99594d319..bd335cf9bc0e 100644
--- a/tools/testing/selftests/mm/gup_test.c
+++ b/tools/testing/selftests/mm/gup_test.c
@@ -203,7 +203,7 @@ int main(int argc, char **argv)
ksft_print_header();
ksft_set_plan(nthreads);
- filed = open(file, O_RDWR|O_CREAT);
+ filed = open(file, O_RDWR|O_CREAT, 0664);
if (filed < 0)
ksft_exit_fail_msg("Unable to open %s: %s\n", file, strerror(errno));
@@ -228,7 +228,7 @@ int main(int argc, char **argv)
break;
}
ksft_test_result_skip("Please run this test as root\n");
- return ksft_exit_pass();
+ ksft_exit_pass();
}
p = mmap(NULL, size, PROT_READ | PROT_WRITE, flags, filed, 0);
@@ -267,5 +267,5 @@ int main(int argc, char **argv)
free(tid);
- return ksft_exit_pass();
+ ksft_exit_pass();
}
diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c
index d615767e396b..508287560c45 100644
--- a/tools/testing/selftests/mm/ksm_functional_tests.c
+++ b/tools/testing/selftests/mm/ksm_functional_tests.c
@@ -646,5 +646,5 @@ int main(int argc, char **argv)
if (err)
ksft_exit_fail_msg("%d out of %d tests failed\n",
err, ksft_test_num());
- return ksft_exit_pass();
+ ksft_exit_pass();
}
diff --git a/tools/testing/selftests/mm/madv_populate.c b/tools/testing/selftests/mm/madv_populate.c
index 17bcb07f19f3..ef7d911da13e 100644
--- a/tools/testing/selftests/mm/madv_populate.c
+++ b/tools/testing/selftests/mm/madv_populate.c
@@ -307,5 +307,5 @@ int main(int argc, char **argv)
if (err)
ksft_exit_fail_msg("%d out of %d tests failed\n",
err, ksft_test_num());
- return ksft_exit_pass();
+ ksft_exit_pass();
}
diff --git a/tools/testing/selftests/mm/mdwe_test.c b/tools/testing/selftests/mm/mdwe_test.c
index 200bedcdc32e..1e01d3ddc11c 100644
--- a/tools/testing/selftests/mm/mdwe_test.c
+++ b/tools/testing/selftests/mm/mdwe_test.c
@@ -7,6 +7,7 @@
#include <linux/mman.h>
#include <linux/prctl.h>
+#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <sys/auxv.h>
diff --git a/tools/testing/selftests/mm/mkdirty.c b/tools/testing/selftests/mm/mkdirty.c
index 301abb99e027..b8a7efe9204e 100644
--- a/tools/testing/selftests/mm/mkdirty.c
+++ b/tools/testing/selftests/mm/mkdirty.c
@@ -375,5 +375,5 @@ int main(void)
if (err)
ksft_exit_fail_msg("%d out of %d tests failed\n",
err, ksft_test_num());
- return ksft_exit_pass();
+ ksft_exit_pass();
}
diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c b/tools/testing/selftests/mm/pagemap_ioctl.c
index d59517ed3d48..2d785aca72a5 100644
--- a/tools/testing/selftests/mm/pagemap_ioctl.c
+++ b/tools/testing/selftests/mm/pagemap_ioctl.c
@@ -1484,7 +1484,7 @@ int main(int argc, char *argv[])
ksft_print_header();
if (init_uffd())
- return ksft_exit_pass();
+ ksft_exit_pass();
ksft_set_plan(115);
@@ -1660,5 +1660,5 @@ int main(int argc, char *argv[])
userfaultfd_tests();
close(pagemap_fd);
- return ksft_exit_pass();
+ ksft_exit_pass();
}
diff --git a/tools/testing/selftests/mm/protection_keys.c b/tools/testing/selftests/mm/protection_keys.c
index f822ae31af22..48dc151f8fca 100644
--- a/tools/testing/selftests/mm/protection_keys.c
+++ b/tools/testing/selftests/mm/protection_keys.c
@@ -54,7 +54,6 @@ int test_nr;
u64 shadow_pkey_reg;
int dprint_in_signal;
char dprint_in_signal_buffer[DPRINT_IN_SIGNAL_BUF_SIZE];
-char buf[256];
void cat_into_file(char *str, char *file)
{
@@ -1745,38 +1744,6 @@ void pkey_setup_shadow(void)
shadow_pkey_reg = __read_pkey_reg();
}
-void restore_settings_atexit(void)
-{
- cat_into_file(buf, "/proc/sys/vm/nr_hugepages");
-}
-
-void save_settings(void)
-{
- int fd;
- int err;
-
- if (geteuid())
- return;
-
- fd = open("/proc/sys/vm/nr_hugepages", O_RDONLY);
- if (fd < 0) {
- fprintf(stderr, "error opening\n");
- perror("error: ");
- exit(__LINE__);
- }
-
- /* -1 to guarantee leaving the trailing \0 */
- err = read(fd, buf, sizeof(buf)-1);
- if (err < 0) {
- fprintf(stderr, "error reading\n");
- perror("error: ");
- exit(__LINE__);
- }
-
- atexit(restore_settings_atexit);
- close(fd);
-}
-
int main(void)
{
int nr_iterations = 22;
@@ -1784,7 +1751,6 @@ int main(void)
srand((unsigned int)time(NULL));
- save_settings();
setup_handlers();
printf("has pkeys: %d\n", pkeys_supported);
diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh
index c2c542fe7b17..4bdb3a0c7a60 100755
--- a/tools/testing/selftests/mm/run_vmtests.sh
+++ b/tools/testing/selftests/mm/run_vmtests.sh
@@ -385,6 +385,7 @@ CATEGORY="ksm_numa" run_test ./ksm_tests -N -m 0
CATEGORY="ksm" run_test ./ksm_functional_tests
# protection_keys tests
+nr_hugepgs=$(cat /proc/sys/vm/nr_hugepages)
if [ -x ./protection_keys_32 ]
then
CATEGORY="pkey" run_test ./protection_keys_32
@@ -394,6 +395,7 @@ if [ -x ./protection_keys_64 ]
then
CATEGORY="pkey" run_test ./protection_keys_64
fi
+echo "$nr_hugepgs" > /proc/sys/vm/nr_hugepages
if [ -x ./soft-dirty ]
then
diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c
index cc5f144430d4..d9dbf879748b 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;
@@ -209,5 +209,5 @@ int main(int argc, char **argv)
close(pagemap_fd);
- return ksft_exit_pass();
+ ksft_exit_pass();
}
diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/selftests/mm/split_huge_page_test.c
index 856662d2f87a..d3c7f5fb3e7b 100644
--- a/tools/testing/selftests/mm/split_huge_page_test.c
+++ b/tools/testing/selftests/mm/split_huge_page_test.c
@@ -223,7 +223,7 @@ void split_file_backed_thp(void)
ksft_exit_fail_msg("Fail to create file-backed THP split testing file\n");
}
- fd = open(testfile, O_CREAT|O_WRONLY);
+ fd = open(testfile, O_CREAT|O_WRONLY, 0664);
if (fd == -1) {
ksft_perror("Cannot open testing file");
goto cleanup;
@@ -300,7 +300,7 @@ int create_pagecache_thp_and_fd(const char *testfile, size_t fd_size, int *fd,
char **addr)
{
size_t i;
- int dummy;
+ int __attribute__((unused)) dummy = 0;
srand(time(NULL));
diff --git a/tools/testing/selftests/mm/uffd-common.c b/tools/testing/selftests/mm/uffd-common.c
index b0ac0ec2356d..7ad6ba660c7d 100644
--- a/tools/testing/selftests/mm/uffd-common.c
+++ b/tools/testing/selftests/mm/uffd-common.c
@@ -18,6 +18,7 @@ bool test_uffdio_wp = true;
unsigned long long *count_verify;
uffd_test_ops_t *uffd_test_ops;
uffd_test_case_ops_t *uffd_test_case_ops;
+atomic_bool ready_for_fork;
static int uffd_mem_fd_create(off_t mem_size, bool hugetlb)
{
@@ -518,6 +519,8 @@ 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 cb055282c89c..cc5629c3d2aa 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"
@@ -103,6 +104,7 @@ 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 2b9f8cc52639..21ec23206ab4 100644
--- a/tools/testing/selftests/mm/uffd-unit-tests.c
+++ b/tools/testing/selftests/mm/uffd-unit-tests.c
@@ -775,6 +775,8 @@ 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,
@@ -790,6 +792,9 @@ 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");
@@ -829,6 +834,8 @@ 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))
@@ -838,6 +845,9 @@ 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");
@@ -1427,7 +1437,8 @@ 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",
diff --git a/tools/testing/selftests/mm/vm_util.h b/tools/testing/selftests/mm/vm_util.h
index c02990bbd56f..9007c420d52c 100644
--- a/tools/testing/selftests/mm/vm_util.h
+++ b/tools/testing/selftests/mm/vm_util.h
@@ -3,7 +3,7 @@
#include <stdbool.h>
#include <sys/mman.h>
#include <err.h>
-#include <string.h> /* ffsl() */
+#include <strings.h> /* ffsl() */
#include <unistd.h> /* _SC_PAGESIZE */
#define BIT_ULL(nr) (1ULL << (nr))
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-29 10:20:28 +0300