diff options
| author | Peter Xu <peterx@redhat.com> | 2023-04-12 19:43:41 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-19 02:30:06 +0300 |
| commit | 0210c43ef623a3c35cafd7dbe25b1b3c1699e7e9 (patch) | |
| tree | a62b79317977942d74681ba23d931c8d0aa9a173 /tools/testing/selftests/mm/uffd-common.h | |
| parent | 508340845dd1423b6c81fccf082039dff202fb9f (diff) | |
| download | linux-0210c43ef623a3c35cafd7dbe25b1b3c1699e7e9.tar.xz | |
selftests/mm: let uffd_handle_page_fault() take wp parameter
Make the handler optionally apply WP bit when resolving page faults for
either missing or minor page faults. This moves towards removing global
test_uffdio_wp outside of the common code.
Link: https://lkml.kernel.org/r/20230412164341.328618-1-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Dmitry Safonov <0x7f454c46@gmail.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Zach O'Keefe <zokeefe@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/testing/selftests/mm/uffd-common.h')
| -rw-r--r-- | tools/testing/selftests/mm/uffd-common.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/testing/selftests/mm/uffd-common.h b/tools/testing/selftests/mm/uffd-common.h index f8d2ad178827..0ec07d025cfe 100644 --- a/tools/testing/selftests/mm/uffd-common.h +++ b/tools/testing/selftests/mm/uffd-common.h @@ -72,6 +72,8 @@ /* Userfaultfd test statistics */ struct uffd_args { int cpu; + /* Whether apply wr-protects when installing pages */ + bool apply_wp; unsigned long missing_faults; unsigned long wp_faults; unsigned long minor_faults; @@ -104,8 +106,8 @@ void userfaultfd_open(uint64_t *features); int uffd_read_msg(int ufd, struct uffd_msg *msg); void wp_range(int ufd, __u64 start, __u64 len, bool wp); void uffd_handle_page_fault(struct uffd_msg *msg, struct uffd_args *args); -int __copy_page(int ufd, unsigned long offset, bool retry); -int copy_page(int ufd, unsigned long offset); +int __copy_page(int ufd, unsigned long offset, bool retry, bool wp); +int copy_page(int ufd, unsigned long offset, bool wp); void *uffd_poll_thread(void *arg); #define TEST_ANON 1 |