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    SubjectRe: [PATCH 16/29] selftests/mm: UFFDIO_API test
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    On 30.03.23 18:07, Peter Xu wrote:
    > Add one simple test for UFFDIO_API. With that, I also added a bunch of
    > small but handy helpers along the way.
    >
    > Signed-off-by: Peter Xu <peterx@redhat.com>
    > ---
    > tools/testing/selftests/mm/uffd-unit-tests.c | 111 ++++++++++++++++++-
    > tools/testing/selftests/mm/vm_util.c | 10 ++
    > 2 files changed, 120 insertions(+), 1 deletion(-)
    >
    > diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c
    > index 6857388783be..dfb44ffad5f5 100644
    > --- a/tools/testing/selftests/mm/uffd-unit-tests.c
    > +++ b/tools/testing/selftests/mm/uffd-unit-tests.c
    > @@ -9,9 +9,118 @@
    >
    > #ifdef __NR_userfaultfd
    >
    > +struct {
    > + unsigned int pass, skip, fail, total;
    > +} uffd_test_acct;
    > +
    > +static void uffd_test_report(void)
    > +{
    > + printf("Userfaults unit tests: pass=%u, skip=%u, fail=%u (total=%u)\n",
    > + uffd_test_acct.pass,
    > + uffd_test_acct.skip,
    > + uffd_test_acct.fail,
    > + uffd_test_acct.total);
    > +}
    > +
    > +static void uffd_test_pass(void)
    > +{
    > + printf("done\n");
    > + uffd_test_acct.pass++;
    > +}
    > +
    > +#define uffd_test_start(...) do { \
    > + printf(__VA_ARGS__); \
    > + printf("... "); \
    > + uffd_test_acct.total++; \
    > + } while (0)
    > +
    > +#define uffd_test_fail(...) do { \
    > + printf("failed [reason: "); \
    > + printf(__VA_ARGS__); \
    > + printf("]\n"); \
    > + uffd_test_acct.fail++; \
    > + } while (0)
    > +
    > +#define uffd_test_skip(...) do { \
    > + printf("skipped [reason: "); \
    > + printf(__VA_ARGS__); \
    > + printf("]\n"); \
    > + uffd_test_acct.skip++; \
    > + } while (0)
    > +


    There is ksft_print_msg, ksft_test_result, ksft_test_result_fail, ... do
    we maybe want to convert properly to ksft while already at it?

    --
    Thanks,

    David / dhildenb

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