linux-kernel - [PATCH 0/3] userfaultfd: selftest: Improve behavior with older kernels

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Date:   Tue, 24 Jul 2018 23:42:06 -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 0/3] 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.

Thiago Jung Bauermann (3):
  userfaultfd: selftest: Fix checking of userfaultfd_open() result
  userfaultfd: selftest: Skip test if a feature isn't supported
  userfaultfd: selftest: Report XFAIL if shmem doesn't support zeropage

 tools/testing/selftests/vm/userfaultfd.c | 49 ++++++++++++++++++++++++--------
 1 file changed, 37 insertions(+), 12 deletions(-)