The quilt patch titled
Subject: selftests/mm: skip uffd-stress if userfaultfd not available
has been removed from the -mm tree. Its filename was
selftests-mm-skip-uffd-stress-if-userfaultfd-not-available.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Brendan Jackman <jackmanb@xxxxxxxxxx>
Subject: selftests/mm: skip uffd-stress if userfaultfd not available
Date: Tue, 11 Mar 2025 13:18:13 +0000
It's pretty obvious that the test wouldn't work if you don't have the
feature enabled. But, it's still useful to SKIP instead of failing so the
reader can immediately tell that this is the reason why.
Link: https://lkml.kernel.org/r/20250311-mm-selftests-v4-2-dec210a658f5@xxxxxxxxxx
Signed-off-by: Brendan Jackman <jackmanb@xxxxxxxxxx>
Reviewed-by: Dev Jain <dev.jain@xxxxxxx>
Cc: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Cc: Mateusz Guzik <mjguzik@xxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/mm/uffd-stress.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/tools/testing/selftests/mm/uffd-stress.c~selftests-mm-skip-uffd-stress-if-userfaultfd-not-available
+++ a/tools/testing/selftests/mm/uffd-stress.c
@@ -412,8 +412,8 @@ static void parse_test_type_arg(const ch
* feature.
*/
- if (uffd_get_features(&features))
- err("failed to get available features");
+ if (uffd_get_features(&features) && errno == ENOENT)
+ ksft_exit_skip("failed to get available features (%d)\n", errno);
test_uffdio_wp = test_uffdio_wp &&
(features & UFFD_FEATURE_PAGEFAULT_FLAG_WP);
_
Patches currently in -mm which might be from jackmanb@xxxxxxxxxx are
scripts-gdb-add-lx_per_cpu_ptr.patch
