Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-04 04:02:26 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

selftests: mm: skip whole test instead of failure

Browse Source 
Some architectures don't support userfaultfd.  Skip running the whole test
on them instead of registering the failure.

Link: https://lkml.kernel.org/r/20231103182343.2874015-1-usama.anjum@collabora.com
Fixes: 46fd75d4a3 ("selftests: mm: add pagemap ioctl tests")

Reported-by: Ryan Roberts <ryan.roberts@arm.com>
Closes: https://lore.kernel.org/all/f8463381-2697-49e9-9460-9dc73452830d@arm.com
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Muhammad Usama Anjum 2023-11-03 23:23:41 +05:00 committed by Andrew Morton
parent 85c2ceaafb
commit 019b277b68
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
tools/testing/selftests/mm/pagemap_ioctl.c
View File

@ -94,19 +94,19 @@ int init_uffd(void)
uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK | UFFD_USER_MODE_ONLY);
if (uffd == -1)
ksft_exit_fail_msg("uffd syscall failed\n");
return uffd;
uffdio_api.api = UFFD_API;
uffdio_api.features = UFFD_FEATURE_WP_UNPOPULATED | UFFD_FEATURE_WP_ASYNC |
UFFD_FEATURE_WP_HUGETLBFS_SHMEM;
if (ioctl(uffd, UFFDIO_API, &uffdio_api))
ksft_exit_fail_msg("UFFDIO_API\n");
return -1;
if (!(uffdio_api.api & UFFDIO_REGISTER_MODE_WP) ||
!(uffdio_api.features & UFFD_FEATURE_WP_UNPOPULATED) ||
!(uffdio_api.features & UFFD_FEATURE_WP_ASYNC) ||
!(uffdio_api.features & UFFD_FEATURE_WP_HUGETLBFS_SHMEM))
ksft_exit_fail_msg("UFFDIO_API error %llu\n", uffdio_api.api);
return -1;
return 0;
}
@ -1479,6 +1479,10 @@ int main(void)
struct stat sbuf;
ksft_print_header();
if (init_uffd())
return ksft_exit_pass();
ksft_set_plan(115);
page_size = getpagesize();
@ -1488,9 +1492,6 @@ int main(void)
if (pagemap_fd < 0)
return -EINVAL;
if (init_uffd())
ksft_exit_fail_msg("uffd init failed\n");
/* 1. Sanity testing */
sanity_tests_sd();