[PATCH v4 5/5] selftests: vm: add /dev/userfaultfd test cases to run_vmtests.sh

From: Axel Rasmussen
Date: Tue Jul 19 2022 - 15:57:29 EST


This new mode was recently added to the userfaultfd selftest. We want to
exercise both userfaultfd(2) as well as /dev/userfaultfd, so add both
test cases to the script.

Reviewed-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
Acked-by: Peter Xu <peterx@xxxxxxxxxx>
Signed-off-by: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>
---
tools/testing/selftests/vm/run_vmtests.sh | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/vm/run_vmtests.sh b/tools/testing/selftests/vm/run_vmtests.sh
index e70ae0f3aaf6..156f864030fc 100755
--- a/tools/testing/selftests/vm/run_vmtests.sh
+++ b/tools/testing/selftests/vm/run_vmtests.sh
@@ -121,12 +121,17 @@ run_test ./gup_test -a
run_test ./gup_test -ct -F 0x1 0 19 0x1000

run_test ./userfaultfd anon 20 16
+run_test ./userfaultfd anon:dev 20 16
# Hugetlb tests require source and destination huge pages. Pass in half the
# size ($half_ufd_size_MB), which is used for *each*.
run_test ./userfaultfd hugetlb "$half_ufd_size_MB" 32
+run_test ./userfaultfd hugetlb:dev "$half_ufd_size_MB" 32
run_test ./userfaultfd hugetlb_shared "$half_ufd_size_MB" 32 "$mnt"/uffd-test
rm -f "$mnt"/uffd-test
+run_test ./userfaultfd hugetlb_shared:dev "$half_ufd_size_MB" 32 "$mnt"/uffd-test
+rm -f "$mnt"/uffd-test
run_test ./userfaultfd shmem 20 16
+run_test ./userfaultfd shmem:dev 20 16

#cleanup
umount "$mnt"
--
2.37.0.170.g444d1eabd0-goog