The patch titled
Subject: selftests: vm: add /dev/userfaultfd test cases to run_vmtests.sh
has been added to the -mm mm-unstable branch. Its filename is
selftests-vm-add-dev-userfaultfd-test-cases-to-run_vmtestssh.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-vm-add-dev-userfaultfd-test-cases-to-run_vmtestssh.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>
Subject: selftests: vm: add /dev/userfaultfd test cases to run_vmtests.sh
Date: Mon, 8 Aug 2022 10:56:14 -0700
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.
Link: https://lkml.kernel.org/r/20220808175614.3885028-6-axelrasmussen@xxxxxxxxxx
Signed-off-by: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>
Reviewed-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
Acked-by: Peter Xu <peterx@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Dmitry V. Levin <ldv@xxxxxxxxxxxx>
Cc: Gleb Fotengauer-Malinovskiy <glebfm@xxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxx>
Cc: Nadav Amit <namit@xxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Zhang Yi <yi.zhang@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/vm/run_vmtests.sh | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
--- a/tools/testing/selftests/vm/run_vmtests.sh~selftests-vm-add-dev-userfaultfd-test-cases-to-run_vmtestssh
+++ a/tools/testing/selftests/vm/run_vmtests.sh
@@ -120,13 +120,16 @@ run_test ./gup_test -a
# Dump pages 0, 19, and 4096, using pin_user_pages:
run_test ./gup_test -ct -F 0x1 0 19 0x1000
-run_test ./userfaultfd anon 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_shared "$half_ufd_size_MB" 32 "$mnt"/uffd-test
-rm -f "$mnt"/uffd-test
-run_test ./userfaultfd shmem 20 16
+uffd_mods=("" ":dev")
+for mod in "${uffd_mods[@]}"; do
+ run_test ./userfaultfd anon${mod} 20 16
+ # Hugetlb tests require source and destination huge pages. Pass in half
+ # the size ($half_ufd_size_MB), which is used for *each*.
+ run_test ./userfaultfd hugetlb${mod} "$half_ufd_size_MB" 32
+ run_test ./userfaultfd hugetlb_shared${mod} "$half_ufd_size_MB" 32 "$mnt"/uffd-test
+ rm -f "$mnt"/uffd-test
+ run_test ./userfaultfd shmem${mod} 20 16
+done
#cleanup
umount "$mnt"
_
Patches currently in -mm which might be from axelrasmussen@xxxxxxxxxx are
selftests-vm-add-hugetlb_shared-userfaultfd-test-to-run_vmtestssh.patch
userfaultfd-add-dev-userfaultfd-for-fine-grained-access-control.patch
userfaultfd-selftests-modify-selftest-to-use-dev-userfaultfd.patch
userfaultfd-update-documentation-to-describe-dev-userfaultfd.patch
selftests-vm-add-dev-userfaultfd-test-cases-to-run_vmtestssh.patch
