diff options
| author | Axel Rasmussen <axelrasmussen@google.com> | 2021-05-19 13:03:39 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-05-27 07:45:57 -0400 |
| commit | 33090a884da5e9760f11441ac269f754375f80f5 (patch) | |
| tree | 6e681d6e34d9b056ddd09381b8d877b670ed2807 /tools/testing/selftests/kvm/demand_paging_test.c | |
| parent | a4b9722a5996017264feb19ebe86efe4380f7afb (diff) | |
KVM: selftests: add shared hugetlbfs backing source type
This lets us run the demand paging test on top of a shared
hugetlbfs-backed area. The "shared" is key, as this allows us to
exercise userfaultfd minor faults on hugetlbfs.
Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
Message-Id: <20210519200339.829146-11-axelrasmussen@google.com>
Reviewed-by: Ben Gardon <bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/demand_paging_test.c')
| -rw-r--r-- | tools/testing/selftests/kvm/demand_paging_test.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/testing/selftests/kvm/demand_paging_test.c b/tools/testing/selftests/kvm/demand_paging_test.c index fcba527c29a6..b74704305835 100644 --- a/tools/testing/selftests/kvm/demand_paging_test.c +++ b/tools/testing/selftests/kvm/demand_paging_test.c @@ -484,8 +484,10 @@ int main(int argc, char *argv[]) } } - TEST_ASSERT(p.uffd_mode != UFFDIO_REGISTER_MODE_MINOR || p.src_type == VM_MEM_SRC_SHMEM, - "userfaultfd MINOR mode requires shared memory; pick a different -t"); + if (p.uffd_mode == UFFDIO_REGISTER_MODE_MINOR && + !backing_src_is_shared(p.src_type)) { + TEST_FAIL("userfaultfd MINOR mode requires shared memory; pick a different -t"); + } for_each_guest_mode(run_test, &p); |