From: Brendan Jackman <jackmanb@google.com>
Date: Fri, 21 Feb 2025 18:25:43 +0000 (+0000)
Subject: selftests/mm: skip uffd-wp-mremap if userfaultfd not available
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4a7d40ba56e1ec36ea4baf1ccf06f4a00893f848;p=users%2Fjedix%2Flinux-maple.git

selftests/mm: skip uffd-wp-mremap if userfaultfd not available

It's obvious that this should fail in that case, but still, save the
reader the effort of figuring out that they've run into this by just
SKIPping

Link: https://lkml.kernel.org/r/20250221-mm-selftests-v2-4-28c4d66383c5@google.com
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/tools/testing/selftests/mm/uffd-wp-mremap.c b/tools/testing/selftests/mm/uffd-wp-mremap.c
index 2c4f984bd73c..c2ba7d46c7b4 100644
--- a/tools/testing/selftests/mm/uffd-wp-mremap.c
+++ b/tools/testing/selftests/mm/uffd-wp-mremap.c
@@ -182,7 +182,10 @@ static void test_one_folio(size_t size, bool private, bool swapout, bool hugetlb
 
 	/* Register range for uffd-wp. */
 	if (userfaultfd_open(&features)) {
-		ksft_test_result_fail("userfaultfd_open() failed\n");
+		if (errno == ENOENT)
+			ksft_test_result_skip("userfaultfd not available\n");
+		else
+			ksft_test_result_fail("userfaultfd_open() failed\n");
 		goto out;
 	}
 	if (uffd_register(uffd, mem, size, false, true, false)) {