selftests/mm: uffd_open_{dev|sys}()
Provide two helpers to open an uffd handle. Drop the error checks around SKIPs because it's inside an errexit() anyway, which IMHO doesn't really help much if the test will not continue. Link: https://lkml.kernel.org/r/20230412164254.328335-1-peterx@redhat.com Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org> Reviewed-by: Axel Rasmussen <axelrasmussen@google.com> Cc: Dmitry Safonov <0x7f454c46@gmail.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Zach O'Keefe <zokeefe@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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c4277cb6
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