On Jul 19, 2022, at 12:56 PM, Axel Rasmussen axelrasmussen@google.com 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.
Reviewed-by: Shuah Khan skhan@linuxfoundation.org Acked-by: Peter Xu peterx@redhat.com Signed-off-by: Axel Rasmussen axelrasmussen@google.com
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
Do not do it if it would require another version of the patche-set, but otherwise, consider using a loop as I did in [1].
[1] https://lore.kernel.org/linux-mm/20220718114748.2623-6-namit@vmware.com/