fs/userfaultfd.c

1975

struct uffdio_api uffdio_api;

fs/userfaultfd.c

1982

if (copy_from_user(&uffdio_api, buf, sizeof(uffdio_api)))

fs/userfaultfd.c

1984

features = uffdio_api.features;

fs/userfaultfd.c

1986

if (uffdio_api.api != UFFD_API)

fs/userfaultfd.c

1997

uffdio_api.features = UFFD_API_FEATURES;

fs/userfaultfd.c

1999

uffdio_api.features &=

fs/userfaultfd.c

2003

uffdio_api.features &= ~UFFD_FEATURE_PAGEFAULT_FLAG_WP;

fs/userfaultfd.c

2006

uffdio_api.features &= ~UFFD_FEATURE_WP_HUGETLBFS_SHMEM;

fs/userfaultfd.c

2007

uffdio_api.features &= ~UFFD_FEATURE_WP_UNPOPULATED;

fs/userfaultfd.c

2008

uffdio_api.features &= ~UFFD_FEATURE_WP_ASYNC;

fs/userfaultfd.c

2012

if (features & ~uffdio_api.features)

fs/userfaultfd.c

2015

uffdio_api.ioctls = UFFD_API_IOCTLS;

fs/userfaultfd.c

2017

if (copy_to_user(buf, &uffdio_api, sizeof(uffdio_api)))

fs/userfaultfd.c

2030

memset(&uffdio_api, 0, sizeof(uffdio_api));

fs/userfaultfd.c

2031

if (copy_to_user(buf, &uffdio_api, sizeof(uffdio_api)))

include/uapi/linux/userfaultfd.h

87

struct uffdio_api)

tools/include/uapi/linux/userfaultfd.h

87

struct uffdio_api)

tools/testing/selftests/bpf/prog_tests/bpf_mod_race.c

66

struct uffdio_api uffd_api = {};

tools/testing/selftests/kvm/lib/userfaultfd_util.c

110

struct uffdio_api uffdio_api;

tools/testing/selftests/kvm/lib/userfaultfd_util.c

140

uffdio_api.api = UFFD_API;

tools/testing/selftests/kvm/lib/userfaultfd_util.c

141

uffdio_api.features = 0;

tools/testing/selftests/kvm/lib/userfaultfd_util.c

142

TEST_ASSERT(ioctl(uffd, UFFDIO_API, &uffdio_api) != -1,

tools/testing/selftests/kvm/lib/userfaultfd_util.c

144

(uint64_t)uffdio_api.api);

tools/testing/selftests/mm/guard-regions.c

1486

struct uffdio_api api = {

tools/testing/selftests/mm/hugepage-mremap.c

65

struct uffdio_api uffdio_api;

tools/testing/selftests/mm/hugepage-mremap.c

83

uffdio_api.api = UFFD_API;

tools/testing/selftests/mm/hugepage-mremap.c

84

uffdio_api.features = 0;

tools/testing/selftests/mm/hugepage-mremap.c

85

if (ioctl(uffd, UFFDIO_API, &uffdio_api) == -1)

tools/testing/selftests/mm/ksm_functional_tests.c

294

struct uffdio_api uffdio_api;

tools/testing/selftests/mm/ksm_functional_tests.c

312

uffdio_api.api = UFFD_API;

tools/testing/selftests/mm/ksm_functional_tests.c

313

uffdio_api.features = 0;

tools/testing/selftests/mm/ksm_functional_tests.c

314

if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) {

tools/testing/selftests/mm/ksm_functional_tests.c

322

if (!(uffdio_api.features & UFFD_FEATURE_PAGEFAULT_FLAG_WP)) {

tools/testing/selftests/mm/ksm_functional_tests.c

340

uffdio_api.api = UFFD_API;

tools/testing/selftests/mm/ksm_functional_tests.c

341

uffdio_api.features = UFFD_FEATURE_PAGEFAULT_FLAG_WP;

tools/testing/selftests/mm/ksm_functional_tests.c

342

if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) {

tools/testing/selftests/mm/mkdirty.c

273

struct uffdio_api uffdio_api;

tools/testing/selftests/mm/mkdirty.c

294

uffdio_api.api = UFFD_API;

tools/testing/selftests/mm/mkdirty.c

295

uffdio_api.features = 0;

tools/testing/selftests/mm/mkdirty.c

296

if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) {

tools/testing/selftests/mm/mremap_test.c

760

struct uffdio_api api = {

tools/testing/selftests/mm/pagemap_ioctl.c

101

uffdio_api.api = UFFD_API;

tools/testing/selftests/mm/pagemap_ioctl.c

102

uffdio_api.features = UFFD_FEATURE_WP_UNPOPULATED | UFFD_FEATURE_WP_ASYNC |

tools/testing/selftests/mm/pagemap_ioctl.c

104

if (ioctl(uffd, UFFDIO_API, &uffdio_api))

tools/testing/selftests/mm/pagemap_ioctl.c

107

if (!(uffdio_api.api & UFFDIO_REGISTER_MODE_WP) ||

tools/testing/selftests/mm/pagemap_ioctl.c

108

!(uffdio_api.features & UFFD_FEATURE_WP_UNPOPULATED) ||

tools/testing/selftests/mm/pagemap_ioctl.c

109

!(uffdio_api.features & UFFD_FEATURE_WP_ASYNC) ||

tools/testing/selftests/mm/pagemap_ioctl.c

110

!(uffdio_api.features & UFFD_FEATURE_WP_HUGETLBFS_SHMEM))

tools/testing/selftests/mm/pagemap_ioctl.c

95

struct uffdio_api uffdio_api;

tools/testing/selftests/mm/uffd-common.c

259

struct uffdio_api uffdio_api;

tools/testing/selftests/mm/uffd-common.c

266

uffdio_api.api = UFFD_API;

tools/testing/selftests/mm/uffd-common.c

267

uffdio_api.features = *features;

tools/testing/selftests/mm/uffd-common.c

268

if (ioctl(gopts->uffd, UFFDIO_API, &uffdio_api))

tools/testing/selftests/mm/uffd-common.c

271

if (uffdio_api.api != UFFD_API)

tools/testing/selftests/mm/uffd-common.c

272

err("UFFDIO_API error: %" PRIu64, (uint64_t)uffdio_api.api);

tools/testing/selftests/mm/uffd-common.c

274

*features = uffdio_api.features;

tools/testing/selftests/mm/uffd-common.c

722

struct uffdio_api uffdio_api = { .api = UFFD_API, .features = 0 };

tools/testing/selftests/mm/uffd-common.c

736

if (ioctl(fd, UFFDIO_API, &uffdio_api)) {

tools/testing/selftests/mm/uffd-common.c

741

*features = uffdio_api.features;

tools/testing/selftests/mm/uffd-unit-tests.c

131

struct uffdio_api uffdio_api;

tools/testing/selftests/mm/uffd-unit-tests.c

147

uffdio_api.api = 0xab;

tools/testing/selftests/mm/uffd-unit-tests.c

148

uffdio_api.features = 0;

tools/testing/selftests/mm/uffd-unit-tests.c

149

if (ioctl(uffd, UFFDIO_API, &uffdio_api) == 0) {

tools/testing/selftests/mm/uffd-unit-tests.c

155

uffdio_api.api = UFFD_API;

tools/testing/selftests/mm/uffd-unit-tests.c

156

uffdio_api.features = BIT_ULL(63);

tools/testing/selftests/mm/uffd-unit-tests.c

157

if (ioctl(uffd, UFFDIO_API, &uffdio_api) == 0) {

tools/testing/selftests/mm/uffd-unit-tests.c

163

uffdio_api.api = UFFD_API;

tools/testing/selftests/mm/uffd-unit-tests.c

164

uffdio_api.features = 0;

tools/testing/selftests/mm/uffd-unit-tests.c

165

if (ioctl(uffd, UFFDIO_API, &uffdio_api)) {

tools/testing/selftests/mm/uffd-unit-tests.c

171

uffdio_api.features = BIT_ULL(0);

tools/testing/selftests/mm/uffd-unit-tests.c

172

if (ioctl(uffd, UFFDIO_API, &uffdio_api) == 0) {

tools/testing/selftests/powerpc/tm/tm-signal-pagefault.c

141

struct uffdio_api uffdio_api;

tools/testing/selftests/powerpc/tm/tm-signal-pagefault.c

153

uffdio_api.api = UFFD_API;

tools/testing/selftests/powerpc/tm/tm-signal-pagefault.c

154

uffdio_api.features = 0;

tools/testing/selftests/powerpc/tm/tm-signal-pagefault.c

155

if (ioctl(uffd, UFFDIO_API, &uffdio_api) == -1) {

tools/testing/selftests/x86/test_shadow_stack.c

485

struct uffdio_api uffdio_api;

tools/testing/selftests/x86/test_shadow_stack.c

504

uffdio_api.api = UFFD_API;

tools/testing/selftests/x86/test_shadow_stack.c

505

uffdio_api.features = 0;

tools/testing/selftests/x86/test_shadow_stack.c

506

if (ioctl(uffd, UFFDIO_API, &uffdio_api))