Searched refs:uffd (Results 1 - 2 of 2) sorted by relevance
| /third_party/ltp/testcases/kernel/syscalls/userfaultfd/ |
| H A D | userfaultfd01.c | 24 static int uffd; variable
48 pollfd.fd = uffd; in handle_thread()
55 SAFE_READ(1, uffd, &msg, sizeof(msg)); in handle_thread()
70 SAFE_IOCTL(uffd, UFFDIO_COPY, &uffdio_copy); in handle_thread()
72 close(uffd); in handle_thread()
95 uffd = TST_RET; in run()
98 SAFE_IOCTL(uffd, UFFDIO_API, &uffdio_api); in run()
104 SAFE_IOCTL(uffd, UFFDIO_REGISTER, &uffdio_register); in run()
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| /third_party/ltp/testcases/kernel/security/dirtyc0w_shmem/ |
| H A D | dirtyc0w_shmem_child.c | 35 static int uffd; variable
60 * Touch the page to trigger a UFFD minor fault. The uffd in discard_thread_fn()
78 * have to trigger a uffd fault and sleep, which the GUP in write_thread_fn()
102 pollfd.fd = uffd; in uffd_thread_fn()
108 nread = read(uffd, &msg, sizeof(msg)); in uffd_thread_fn()
115 if (ioctl(uffd, UFFDIO_CONTINUE, &uffdio) < 0) { in uffd_thread_fn()
119 SAFE_IOCTL(uffd, UFFDIO_WAKE, &uffdio_wake); in uffd_thread_fn()
145 uffd = TST_RET; in setup_uffd()
149 TEST(ioctl(uffd, UFFDIO_API, &uffdio_api)); in setup_uffd()
165 SAFE_IOCTL(uffd, UFFDIO_REGISTE in setup_uffd()
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