Using hardcoded page size values could cause the test to fail on systems
that have larger pages, e.g., arm64 with 64kB pages. Use getpagesize()
instead.
Also, build the guest_memfd selftest for arm64.
Suggested-by: Gavin Shan <gshan@xxxxxxxxxx>
Signed-off-by: Fuad Tabba <tabba@xxxxxxxxxx>
---
tools/testing/selftests/kvm/Makefile.kvm | 1 +
tools/testing/selftests/kvm/guest_memfd_test.c | 11 ++++++-----
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/kvm/Makefile.kvm b/tools/testing/selftests/kvm/Makefile.kvm
index f62b0a5aba35..845fcaf8b6c9 100644
--- a/tools/testing/selftests/kvm/Makefile.kvm
+++ b/tools/testing/selftests/kvm/Makefile.kvm
@@ -164,6 +164,7 @@ TEST_GEN_PROGS_arm64 += arch_timer
TEST_GEN_PROGS_arm64 += coalesced_io_test
TEST_GEN_PROGS_arm64 += dirty_log_perf_test
TEST_GEN_PROGS_arm64 += get-reg-list
+TEST_GEN_PROGS_arm64 += guest_memfd_test
TEST_GEN_PROGS_arm64 += memslot_modification_stress_test
TEST_GEN_PROGS_arm64 += memslot_perf_test
TEST_GEN_PROGS_arm64 += mmu_stress_test
diff --git a/tools/testing/selftests/kvm/guest_memfd_test.c b/tools/testing/selftests/kvm/guest_memfd_test.c
index ce687f8d248f..341ba616cf55 100644
--- a/tools/testing/selftests/kvm/guest_memfd_test.c
+++ b/tools/testing/selftests/kvm/guest_memfd_test.c
@@ -146,24 +146,25 @@ static void test_create_guest_memfd_multiple(struct kvm_vm *vm)
{
int fd1, fd2, ret;
struct stat st1, st2;
+ size_t page_size = getpagesize();
- fd1 = __vm_create_guest_memfd(vm, 4096, 0);
+ fd1 = __vm_create_guest_memfd(vm, page_size, 0);
TEST_ASSERT(fd1 != -1, "memfd creation should succeed");
ret = fstat(fd1, &st1);
TEST_ASSERT(ret != -1, "memfd fstat should succeed");
- TEST_ASSERT(st1.st_size == 4096, "memfd st_size should match requested size");
+ TEST_ASSERT(st1.st_size == page_size, "memfd st_size should match requested size");
- fd2 = __vm_create_guest_memfd(vm, 8192, 0);
+ fd2 = __vm_create_guest_memfd(vm, page_size * 2, 0);
TEST_ASSERT(fd2 != -1, "memfd creation should succeed");
ret = fstat(fd2, &st2);
TEST_ASSERT(ret != -1, "memfd fstat should succeed");
- TEST_ASSERT(st2.st_size == 8192, "second memfd st_size should match requested size");
+ TEST_ASSERT(st2.st_size == page_size * 2, "second memfd st_size should match requested size");
ret = fstat(fd1, &st1);
TEST_ASSERT(ret != -1, "memfd fstat should succeed");
- TEST_ASSERT(st1.st_size == 4096, "first memfd st_size should still match requested size");
+ TEST_ASSERT(st1.st_size == page_size, "first memfd st_size should still match requested size");
TEST_ASSERT(st1.st_ino != st2.st_ino, "different memfd should have different inode numbers");
close(fd2);
--
2.49.0.1266.g31b7d2e469-goog
