On 3/12/26 12:40, Chunyu Hu wrote:
> The test_hugepage test contain two sub tests. If just reporting one skip
> when thp not available, there will be error in the log because the test
> count don't match the test plan. Change to skip two tests by running the
> ksft_test_result_skip twice in this case.
> 
> Without the fix (run test on thp disabled kernel):
>   ./run_vmtests.sh -t soft_dirty
>   # --------------------
>   # running ./soft-dirty
>   # --------------------
>   # TAP version 13
>   # 1..19
>   # ok 1 Test test_simple
>   # ok 2 Test test_vma_reuse dirty bit of allocated page
>   # ok 3 Test test_vma_reuse dirty bit of reused address page
>   # ok 4 # SKIP Transparent Hugepages not available
>   # ok 5 Test test_mprotect-anon dirty bit of new written page
>   # ok 6 Test test_mprotect-anon soft-dirty clear after clear_refs
>   # ok 7 Test test_mprotect-anon soft-dirty clear after marking RO
>   # ok 8 Test test_mprotect-anon soft-dirty clear after marking RW
>   # ok 9 Test test_mprotect-anon soft-dirty after rewritten
>   # ok 10 Test test_mprotect-file dirty bit of new written page
>   # ok 11 Test test_mprotect-file soft-dirty clear after clear_refs
>   # ok 12 Test test_mprotect-file soft-dirty clear after marking RO
>   # ok 13 Test test_mprotect-file soft-dirty clear after marking RW
>   # ok 14 Test test_mprotect-file soft-dirty after rewritten
>   # ok 15 Test test_merge-anon soft-dirty after remap merge 1st pg
>   # ok 16 Test test_merge-anon soft-dirty after remap merge 2nd pg
>   # ok 17 Test test_merge-anon soft-dirty after mprotect merge 1st pg
>   # ok 18 Test test_merge-anon soft-dirty after mprotect merge 2nd pg
>   # # 1 skipped test(s) detected. Consider enabling relevant config options 
> to improve coverage.
>   # # Planned tests != run tests (19 != 18)
>   # # Totals: pass:17 fail:0 xfail:0 xpass:0 skip:1 error:0
>   # [FAIL]
>   not ok 52 soft-dirty # exit=1
> 
> With the fix (run test on thp disabled kernel):
>   ./run_vmtests.sh -t soft_dirty
>   # --------------------
>   # running ./soft-dirty
>   # TAP version 13
>   # --------------------
>   # running ./soft-dirty
>   # --------------------
>   # TAP version 13
>   # 1..19
>   # ok 1 Test test_simple
>   # ok 2 Test test_vma_reuse dirty bit of allocated page
>   # ok 3 Test test_vma_reuse dirty bit of reused address page
>   # # Transparent Hugepages not available
>   # ok 4 # SKIP Test test_hugepage huge page allocation
>   # ok 5 # SKIP Test test_hugepage huge page dirty bit
>   # ok 6 Test test_mprotect-anon dirty bit of new written page
>   # ok 7 Test test_mprotect-anon soft-dirty clear after clear_refs
>   # ok 8 Test test_mprotect-anon soft-dirty clear after marking RO
>   # ok 9 Test test_mprotect-anon soft-dirty clear after marking RW
>   # ok 10 Test test_mprotect-anon soft-dirty after rewritten
>   # ok 11 Test test_mprotect-file dirty bit of new written page
>   # ok 12 Test test_mprotect-file soft-dirty clear after clear_refs
>   # ok 13 Test test_mprotect-file soft-dirty clear after marking RO
>   # ok 14 Test test_mprotect-file soft-dirty clear after marking RW
>   # ok 15 Test test_mprotect-file soft-dirty after rewritten
>   # ok 16 Test test_merge-anon soft-dirty after remap merge 1st pg
>   # ok 17 Test test_merge-anon soft-dirty after remap merge 2nd pg
>   # ok 18 Test test_merge-anon soft-dirty after mprotect merge 1st pg
>   # ok 19 Test test_merge-anon soft-dirty after mprotect merge 2nd pg
>   # # 2 skipped test(s) detected. Consider enabling relevant config options 
> to improve coverage.
>   # # Totals: pass:17 fail:0 xfail:0 xpass:0 skip:2 error:0
>   # [PASS]
>   ok 1 soft-dirty
>   hwpoison_inject
>   # SUMMARY: PASS=1 SKIP=0 FAIL=0
>   1..1
> CC: Li Wang <[email protected]>
> Signed-off-by: Chunyu Hu <[email protected]>
> ---

Acked-by: David Hildenbrand (Arm) <[email protected]>

-- 
Cheers,

David

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