Messages in this thread | | | Date | Mon, 20 Mar 2023 10:43:56 -0400 | From | Peter Xu <> | Subject | Re: [PATCH v4 2/2] selftests/mm: Smoke test UFFD_FEATURE_WP_UNPOPULATED |
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On Mon, Mar 20, 2023 at 11:25:43AM +0100, David Hildenbrand wrote: > On 09.03.23 23:37, Peter Xu wrote: > > Enable it by default on the stress test, and add some smoke tests for the > > pte markers on anonymous. > > Would it make sense to make kernel support optional and test both paths -- > once with the feature enabled (if available on the kernel we're testing) and > once with the feature disabled?
Yeah, I think the current uffd selftest is not friendly to old kernels so I made it simple - IOW the test should fail already on old kernels AFAIK. Maybe I can prepare some patches this week or next to cleanup some parts of it.
Thanks,
-- Peter Xu
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