Re: [PATCH v2 6/6] selftests: vm: add /dev/userfaultfd test cases to run_vmtests.sh

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On 4/22/22 3:29 PM, Axel Rasmussen wrote:
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.

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 5065dbd89bdb..57f01505c719 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"


Looks good to me.

Reviewed-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>

thanks,
-- Shuah



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