Re: [PATCH v4 7/7] selftests/mm: skip hugepage-mremap test if userfaultfd unavailable

[Wei Yang]

On Sat, Aug 16, 2025 at 09:31:13AM +0530, Aboorva Devarajan wrote:
>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
>
>Co-developed-by: Donet Tom <donettom@xxxxxxxxxxxxx>
>Signed-off-by: Donet Tom <donettom@xxxxxxxxxxxxx>
>Acked-by: David Hildenbrand <david@xxxxxxxxxx>
>Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>
>Signed-off-by: Aboorva Devarajan <aboorvad@xxxxxxxxxxxxx>

Reviewed-by: Wei Yang <richard.weiyang@xxxxxxxxx>

-- 
Wei Yang
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