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Date: Fri, 3 Aug 2018 19:00:42 -0300 From: Thiago Jung Bauermann <bauerman@...ux.ibm.com> To: linux-kselftest@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Shuah Khan <shuah@...nel.org>, Andrea Arcangeli <aarcange@...hat.com>, Mike Rapoport <rppt@...ux.vnet.ibm.com>, Prakash Sangappa <prakash.sangappa@...cle.com>, Thiago Jung Bauermann <bauerman@...ux.ibm.com> Subject: [PATCH v2 0/4] userfaultfd: selftest: Improve behavior with older kernels Hello, A tester ran the upstream selftest on a distro kernel and sounded the alarm when it reported failures for features which aren't included in that kernel. This patch set improves the test behavior in that scenario. Changes since v1: - Patch "userfaultfd: selftest: Skip test if userfaultfd() syscall not supported" - New patch, suggested by Mke Rapoport. - Patch "userfaultfd: selftest: Skip test if a feature isn't supported" - Try running other tests even if one (or more) of them returns KSFT_SKIP. - Patch "userfaultfd: selftest: Cope if shmem doesn't support zeropage" - Ignore lack of UFFDIO_ZEROPAGE in userfaultfd_events_test() and userfaultfd_stress(). - Make userfaultfd_zeropage_test() return KSFT_SKIP if UFFDIO_ZEROPAGE isn't supported. Thiago Jung Bauermann (4): userfaultfd: selftest: Fix checking of userfaultfd_open() result userfaultfd: selftest: Skip test if userfaultfd() syscall not supported userfaultfd: selftest: Skip test if a feature isn't supported userfaultfd: selftest: Cope if shmem doesn't support zeropage tools/testing/selftests/vm/userfaultfd.c | 86 ++++++++++++++++++++++++-------- 1 file changed, 66 insertions(+), 20 deletions(-)
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