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19de1e5d11
Gracefully skip test if userfaultfd is not supported (ENOSYS) or not permitted (EPERM), instead of failing. This avoids misleading failures with clear skip messages. -------------- Before Patch -------------- ~ running ./hugepage-mremap ... ~ Bail out! userfaultfd: Function not implemented ~ Planned tests != run tests (1 != 0) ~ Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0 ~ [FAIL] not ok 4 hugepage-mremap # exit=1 -------------- After Patch -------------- ~ running ./hugepage-mremap ... ~ ok 2 # SKIP userfaultfd is not supported/not enabled. ~ 1 skipped test(s) detected. ~ Totals: pass:0 fail:0 xfail:0 xpass:0 skip:1 error:0 ~ [SKIP] ok 4 hugepage-mremap # SKIP Link: https://lkml.kernel.org/r/20250816040113.760010-8-aboorvad@linux.ibm.com Co-developed-by: Donet Tom <donettom@linux.ibm.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Signed-off-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Reviewed-by: Wei Yang <richard.weiyang@gmail.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: Dev Jain <dev.jain@arm.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mariano Pache <npache@redhat.com> Cc: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>