Defined in 2 files as a prototype:

• include/linux/rwsem.h, line 229 (as a prototype)
• tools/perf/util/rwsem.h, line 24 (as a prototype)

Defined in 1 files as a member:

• kernel/rcu/rcutorture.c, line 389 (as a member)

Defined in 3 files as a function:

• kernel/locking/rwsem.c, line 1570 (as a function)
• tools/include/linux/rwsem.h, line 21 (as a function)
• tools/perf/util/rwsem.c, line 29 (as a function)

Referenced in 409 files:

• arch/alpha/kernel/osf_sys.c, 3 times
• arch/s390/kernel/sysinfo.c, line 329
• arch/s390/kvm/priv.c, line 645
• arch/sparc/kernel/sys_sparc_32.c, line 214
• arch/sparc/kernel/sys_sparc_64.c, line 549
• arch/x86/kernel/ldt.c, line 508
• arch/x86/kernel/umip.c, line 269
• arch/x86/kvm/svm/sev.c, line 412
• arch/x86/kvm/x86.c, line 7841
• block/blk-crypto-profile.c, line 265
• block/genhd.c, 2 times
• block/sed-opal.c, line 324
• crypto/af_alg.c, 2 times
• crypto/algapi.c, 2 times
• crypto/api.c, line 263
• crypto/asymmetric_keys/asymmetric_type.c, line 409
• crypto/crypto_user.c, 3 times
• crypto/proc.c, line 24
• drivers/accel/amdxdna/aie2_ctx.c, line 1143
• drivers/accel/amdxdna/amdxdna_gem.c, line 370
• drivers/accel/habanalabs/common/debugfs.c, line 1627
• drivers/accel/ivpu/ivpu_job.c, line 944
• drivers/accessibility/speakup/spk_ttyio.c, line 138
• drivers/acpi/cppc_acpi.c, line 2082
• drivers/acpi/glue.c, line 66
• drivers/block/rbd.c, 9 times
• drivers/block/zloop.c, line 739
• drivers/char/apm-emulation.c, 4 times
• drivers/char/tpm/tpm-chip.c, line 166
• drivers/comedi/comedi_fops.c, 4 times
• drivers/comedi/kcomedilib/kcomedilib_main.c, 3 times
• drivers/comedi/proc.c, line 36
• drivers/crypto/hisilicon/debugfs.c, 4 times
• drivers/crypto/hisilicon/qm.c, line 2565
• drivers/crypto/intel/qat/qat_common/adf_cfg.c, line 367
• drivers/crypto/intel/qat/qat_common/adf_sysfs.c, line 260
• drivers/crypto/intel/qat/qat_common/adf_sysfs_rl.c, 3 times
• drivers/gnss/core.c, line 162
• drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c, line 908
• drivers/gpu/drm/amd/amdgpu/amdgpu_lockdep.c, line 168
• drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c, 5 times
• drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c, 2 times
• drivers/gpu/drm/amd/amdkfd/kfd_topology.c, 9 times
• drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_sys.c, line 206
• drivers/gpu/drm/gma500/mmu.c, 5 times
• drivers/gpu/drm/imagination/pvr_fw.c, line 1112
• drivers/gpu/drm/imagination/pvr_fw_trace.c, line 219
• drivers/gpu/drm/panthor/panthor_heap.c, 3 times
• drivers/gpu/drm/radeon/radeon_cs.c, line 674
• drivers/gpu/drm/radeon/radeon_display.c, 2 times
• drivers/gpu/drm/radeon/radeon_fence.c, line 940
• drivers/gpu/drm/radeon/radeon_gem.c, 4 times
• drivers/gpu/drm/radeon/radeon_object.c, line 203
• drivers/gpu/drm/ttm/ttm_pool.c, line 461
• drivers/gpu/drm/vmwgfx/vmwgfx_irq.c, line 184
• drivers/gpu/drm/xe/tests/xe_bo.c, line 520
• drivers/gpu/drm/xe/xe_device.c, line 1559
• drivers/gpu/drm/xe/xe_guc_tlb_inval.c, line 232
• drivers/gpu/drm/xe/xe_oa.c, line 635
• drivers/gpu/drm/xe/xe_pagefault.c, 3 times
• drivers/gpu/drm/xe/xe_userptr.c, line 358
• drivers/gpu/drm/xe/xe_validation.c, line 65
• drivers/gpu/drm/xe/xe_vm.c, line 1642
• drivers/hid/hidraw.c, 2 times
• drivers/i2c/i2c-core-base.c, line 1414
• drivers/i3c/master.c, line 89
• drivers/infiniband/core/device.c, 23 times
• drivers/infiniband/core/netlink.c, 2 times
• drivers/infiniband/core/nldev.c, 2 times
• drivers/infiniband/core/rdma_core.c, line 228
• drivers/infiniband/core/roce_gid_mgmt.c, line 485
• drivers/infiniband/core/verbs.c, line 1232
• drivers/iommu/intel/iommu.c, 3 times
• drivers/iommu/iommufd/device.c, 3 times
• drivers/iommu/iommufd/driver.c, line 144
• drivers/iommu/iommufd/io_pagetable.c, 6 times
• drivers/iommu/iommufd/ioas.c, 2 times
• drivers/iommu/iommufd/selftest.c, 2 times
• drivers/iommu/iommufd/vfio_compat.c, 2 times
• drivers/leds/led-triggers.c, 6 times
• drivers/leds/leds-bd2802.c, 2 times
• drivers/md/bcache/btree.h, line 251
• drivers/md/bcache/writeback.c, line 283
• drivers/md/dm-bufio.c, 2 times
• drivers/md/dm-cache-metadata.c, line 1037
• drivers/md/dm-clone-metadata.c, 2 times
• drivers/md/dm-crypt.c, line 2535
• drivers/md/dm-inlinecrypt.c, line 140
• drivers/md/dm-ioctl.c, 2 times
• drivers/md/dm-path-selector.c, 2 times
• drivers/md/dm-snap.c, 13 times
• drivers/md/dm-target.c, 3 times
• drivers/md/dm-thin-metadata.c, 17 times
• drivers/md/dm-thin.c, line 183
• drivers/md/dm-verity-verify-sig.c, line 50
• drivers/md/dm-zoned-metadata.c, line 375
• drivers/media/dvb-core/dvbdev.c, line 95
• drivers/mfd/intel-m10-bmc-core.c, 2 times
• drivers/misc/mei/bus.c, line 1554
• drivers/misc/mei/client.c, 3 times
• drivers/misc/mei/debugfs.c, line 28
• drivers/misc/vmw_balloon.c, line 1473
• drivers/mtd/ubi/eba.c, 3 times
• drivers/mtd/ubi/fastmap-wl.c, 4 times
• drivers/mtd/ubi/wl.c, 6 times
• drivers/net/ethernet/intel/ice/ice_txclk.c, line 235
• drivers/net/ethernet/mellanox/mlx4/cmd.c, line 787
• drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c, line 740
• drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c, line 375
• drivers/net/ethernet/pensando/ionic/ionic_lif.c, 3 times
• drivers/net/ethernet/sfc/efx_common.c, line 144
• drivers/net/ethernet/sfc/falcon/efx.c, 3 times
• drivers/net/ethernet/sfc/mcdi_filters.c, 10 times
• drivers/net/ethernet/sfc/siena/efx_common.c, line 148
• drivers/net/ethernet/sfc/siena/farch.c, 3 times
• drivers/net/wireguard/cookie.c, 3 times
• drivers/net/wireguard/netlink.c, 4 times
• drivers/net/wireguard/noise.c, 6 times
• drivers/nvdimm/security.c, line 68
• drivers/nvme/host/fabrics.c, line 1336
• drivers/nvme/target/admin-cmd.c, line 549
• drivers/nvme/target/auth.c, line 139
• drivers/nvme/target/configfs.c, 2 times
• drivers/nvme/target/core.c, 3 times
• drivers/nvme/target/discovery.c, line 200
• drivers/pci/bus.c, 2 times
• drivers/pci/hotplug/cpci_hotplug_core.c, 3 times
• drivers/pci/hotplug/pciehp_hpc.c, line 1041
• drivers/pci/pci-acpi.c, line 1328
• drivers/pci/pci.c, line 4735
• drivers/pci/pcie/aspm.c, 9 times
• drivers/pci/pcie/bwctrl.c, line 77
• drivers/pci/pcie/pme.c, 4 times
• drivers/pci/search.c, 2 times
• drivers/pci/setup-bus.c, 2 times
• drivers/pci/slot.c, 2 times
• drivers/platform/surface/aggregator/controller.c, line 942
• drivers/platform/surface/surface_acpi_notify.c, line 91
• drivers/platform/surface/surface_aggregator_cdev.c, line 220
• drivers/platform/surface/surface_dtx.c, line 603
• drivers/platform/wmi/core.c, line 1442
• drivers/platform/x86/msi-wmi-platform.c, line 264
• drivers/power/sequencing/core.c, line 1022
• drivers/rapidio/rio_cm.c, 6 times
• drivers/s390/block/dcssblk.c, 3 times
• drivers/staging/greybus/audio_manager.c, 2 times
• drivers/staging/greybus/raw.c, line 288
• drivers/tty/n_tty.c, 5 times
• drivers/tty/tty_io.c, 2 times
• drivers/tty/tty_ioctl.c, 6 times
• drivers/tty/tty_ldisc.c, line 571
• drivers/ufs/core/ufshcd.c, line 3310
• drivers/usb/core/file.c, line 38
• drivers/usb/core/hcd-pci.c, 2 times
• drivers/usb/core/hub.c, line 3080
• drivers/usb/gadget/function/f_mass_storage.c, 2 times
• drivers/usb/gadget/function/storage_common.c, 3 times
• drivers/usb/misc/usblcd.c, 2 times
• drivers/usb/serial/xr_serial.c, line 853
• drivers/vdpa/mlx5/net/mlx5_vnet.c, line 3565
• drivers/vdpa/vdpa.c, 10 times
• drivers/vfio/container.c, line 191
• drivers/vfio/pci/vfio_pci_rdwr.c, 2 times
• drivers/video/fbdev/matrox/matroxfb_base.c, 8 times
• drivers/video/fbdev/matrox/matroxfb_crtc2.c, 2 times
• drivers/xen/xenbus/xenbus_xs.c, 2 times
• fs/9p/fid.c, 2 times
• fs/adfs/dir.c, 2 times
• fs/afs/callback.c, 2 times
• fs/afs/cell.c, 2 times
• fs/afs/dir.c, line 2227
• fs/afs/dir_silly.c, line 253
• fs/afs/dynroot.c, 2 times
• fs/afs/proc.c, line 210
• fs/afs/server.c, 2 times
• fs/afs/symlink.c, 2 times
• fs/afs/write.c, line 238
• fs/btrfs/backref.c, 3 times
• fs/btrfs/block-group.c, 3 times
• fs/btrfs/ctree.c, 2 times
• fs/btrfs/dev-replace.c, 3 times
• fs/btrfs/disk-io.c, line 3130
• fs/btrfs/extent-tree.c, 4 times
• fs/btrfs/file-item.c, line 438
• fs/btrfs/file.c, line 1882
• fs/btrfs/inode.c, 3 times
• fs/btrfs/ioctl.c, 4 times
• fs/btrfs/scrub.c, line 3102
• fs/btrfs/send.c, 8 times
• fs/btrfs/space-info.c, 2 times
• fs/btrfs/sysfs.c, 2 times
• fs/btrfs/volumes.c, 2 times
• fs/btrfs/zoned.c, 4 times
• fs/cachefiles/cache.c, line 395
• fs/ceph/addr.c, 3 times
• fs/ceph/caps.c, 3 times
• fs/ceph/file.c, 2 times
• fs/ceph/inode.c, line 2637
• fs/ceph/ioctl.c, line 204
• fs/ceph/mds_client.c, 3 times
• fs/ceph/quota.c, 5 times
• fs/ceph/xattr.c, 3 times
• fs/configfs/file.c, 6 times
• fs/coredump.c, line 415
• fs/crypto/hooks.c, line 206
• fs/crypto/keyring.c, 3 times
• fs/crypto/keysetup.c, line 505
• fs/crypto/keysetup_v1.c, line 60
• fs/dlm/lock.c, line 206
• fs/dlm/lowcomms.c, 4 times
• fs/erofs/data.c, 2 times
• fs/erofs/decompressor_crypto.c, line 98
• fs/erofs/super.c, line 218
• fs/exfat/inode.c, line 295
• fs/ext2/xattr.c, 2 times
• fs/ext4/extents.c, 2 times
• fs/ext4/ialloc.c, line 1201
• fs/ext4/inline.c, 9 times
• fs/ext4/inode.c, 4 times
• fs/ext4/ioctl.c, line 782
• fs/ext4/migrate.c, line 504
• fs/ext4/xattr.c, 3 times
• fs/f2fs/f2fs.h, line 2441
• fs/f2fs/gc.c, line 1023
• fs/f2fs/node.c, 2 times
• fs/f2fs/segment.c, 3 times
• fs/fat/inode.c, line 321
• fs/fs-writeback.c, line 534
• fs/fuse/dax.c, 2 times
• fs/fuse/dir.c, line 205
• fs/fuse/notify.c, 5 times
• fs/gfs2/bmap.c, line 860
• fs/gfs2/file.c, line 1463
• fs/gfs2/lock_dlm.c, 5 times
• fs/gfs2/recovery.c, line 508
• fs/gfs2/super.c, 2 times
• fs/gfs2/trans.c, 2 times
• fs/jffs2/wbuf.c, line 966
• fs/jffs2/xattr.c, 2 times
• fs/jfs/jfs_discard.c, line 86
• fs/jfs/xattr.c, 2 times
• fs/kernfs/dir.c, 11 times
• fs/kernfs/file.c, 2 times
• fs/kernfs/inode.c, 2 times
• fs/kernfs/mount.c, line 307
• fs/kernfs/symlink.c, line 120
• fs/lockd/clntproc.c, 3 times
• fs/namespace.c, 4 times
• fs/netfs/fscache_cache.c, 2 times
• fs/netfs/fscache_volume.c, line 511
• fs/nfs/nfs4proc.c, 3 times
• fs/nfsd/nfs4recover.c, 3 times
• fs/nfsd/nfs4state.c, 3 times
• fs/nilfs2/bmap.c, 4 times
• fs/nilfs2/cpfile.c, 5 times
• fs/nilfs2/inode.c, 3 times
• fs/nilfs2/ioctl.c, 9 times
• fs/nilfs2/iomap.c, line 46
• fs/nilfs2/segment.c, line 221
• fs/nilfs2/sufile.c, 3 times
• fs/nilfs2/super.c, 3 times
• fs/nilfs2/sysfs.c, 23 times
• fs/nilfs2/the_nilfs.c, line 109
• fs/nilfs2/the_nilfs.h, line 293
• fs/ntfs/aops.c, line 161
• fs/ntfs/attrib.c, 4 times
• fs/ntfs/compress.c, line 605
• fs/ntfs/inode.c, 2 times
• fs/ntfs/iomap.c, 3 times
• fs/ntfs/mft.c, 2 times
• fs/ntfs/super.c, line 1066
• fs/ntfs3/attrib.c, line 964
• fs/ntfs3/frecord.c, 4 times
• fs/ntfs3/fsntfs.c, line 814
• fs/ntfs3/index.c, 5 times
• fs/ntfs3/record.c, 3 times
• fs/ocfs2/acl.c, 3 times
• fs/ocfs2/aops.c, 3 times
• fs/ocfs2/cluster/heartbeat.c, line 1535
• fs/ocfs2/dlm/dlmdomain.c, line 2283
• fs/ocfs2/dlmglue.c, line 2875
• fs/ocfs2/extent_map.c, 4 times
• fs/ocfs2/file.c, line 2222
• fs/ocfs2/journal.c, line 369
• fs/ocfs2/quota_global.c, line 320
• fs/ocfs2/refcounttree.c, line 457
• fs/ocfs2/xattr.c, 3 times
• fs/orangefs/file.c, 2 times
• fs/orangefs/xattr.c, 2 times
• fs/overlayfs/params.c, line 773
• fs/overlayfs/super.c, line 261
• fs/proc/nommu.c, line 84
• fs/quota/quota.c, line 998
• fs/quota/quota_v1.c, line 166
• fs/quota/quota_v2.c, 4 times
• fs/smb/client/connect.c, line 2238
• fs/smb/client/dfs_cache.c, 6 times
• fs/smb/client/file.c, 6 times
• fs/smb/server/connection.c, 5 times
• fs/smb/server/mgmt/share_config.c, line 237
• fs/smb/server/mgmt/tree_connect.c, line 141
• fs/smb/server/mgmt/user_session.c, 8 times
• fs/smb/server/oplock.c, 5 times
• fs/smb/server/smb2pdu.c, 4 times
• fs/smb/server/smb_common.c, line 692
• fs/smb/server/transport_ipc.c, 4 times
• fs/smb/server/transport_tcp.c, line 253
• fs/smb/server/vfs_cache.c, 6 times
• fs/super.c, line 62
• fs/sync.c, line 158
• fs/ubifs/auth.c, line 286
• fs/ubifs/budget.c, 2 times
• fs/ubifs/dir.c, line 178
• fs/ubifs/journal.c, 2 times
• fs/ubifs/xattr.c, 2 times
• fs/udf/inode.c, line 366
• fs/xfs/xfs_log_cil.c, line 1836
• include/drm/drm_gpusvm.h, line 414
• include/linux/cgroup-defs.h, line 892
• include/linux/cpufreq.h, line 179
• include/linux/fs.h, 3 times
• include/linux/mmap_lock.h, line 600
• include/linux/rwsem.h, 3 times
• ipc/msg.c, line 498
• ipc/sem.c, line 1328
• ipc/shm.c, 2 times
• ipc/util.c, line 847
• kernel/bpf/crypto.c, line 113
• kernel/bpf/offload.c, 17 times
• kernel/crash_dump_dm_crypt.c, line 162
• kernel/events/uprobes.c, 2 times
• kernel/liveupdate/luo_file.c, 2 times
• kernel/liveupdate/luo_flb.c, line 259
• kernel/liveupdate/luo_session.c, line 479
• kernel/locking/locktorture.c, line 808
• kernel/locking/rwsem.c, line 1578
• kernel/notifier.c, 2 times
• kernel/rcu/rcutorture.c, 4 times
• kernel/rcu/refscale.c, 2 times
• kernel/sched/autogroup.c, line 278
• kernel/sys.c, 4 times
• kernel/taskstats.c, line 121
• kernel/time/posix-clock.c, 2 times
• kernel/trace/trace.c, line 781
• kernel/trace/trace_dynevent.c, line 30
• kernel/trace/trace_output.c, line 859
• kernel/trace/trace_remote.c, 2 times
• kernel/umh.c, 4 times
• kernel/utsname.c, line 58
• kernel/utsname_sysctl.c, line 49
• lib/codetag.c, line 42
• lib/digsig.c, line 80
• lib/locking-selftest.c, line 254
• lib/test_context-analysis.c, line 308
• lib/test_lockup.c, line 187
• lib/test_objpool.c, line 223
• mm/hugetlb.c, 2 times
• mm/internal.h, line 313
• mm/shmem_quota.c, line 126
• mm/userfaultfd.c, 4 times
• mm/util.c, line 1135
• net/bluetooth/bnep/core.c, 3 times
• net/bluetooth/hidp/core.c, 2 times
• net/ceph/ceph_common.c, line 809
• net/ceph/debugfs.c, 2 times
• net/ceph/osd_client.c, 9 times
• net/core/dev.c, line 10051
• net/core/net-sysfs.c, line 260
• net/core/net_namespace.c, line 677
• net/dns_resolver/dns_query.c, line 103
• net/netfilter/ipvs/ip_vs_ctl.c, 4 times
• net/netfilter/nf_conntrack_core.c, line 2408
• net/netfilter/nf_flow_table_offload.c, line 920
• net/netlink/genetlink.c, 5 times
• net/nfc/nci/uart.c, line 410
• net/openvswitch/datapath.c, line 2756
• net/rds/ib_rdma.c, line 526
• net/rds/transport.c, 4 times
• net/rxrpc/rxgk_app.c, line 220
• net/sched/act_api.c, line 1918
• net/sched/cls_api.c, 4 times
• net/smc/af_smc.c, line 580
• net/smc/smc_core.c, 3 times
• net/tls/tls_device.c, 5 times
• net/wireless/wext-core.c, line 350
• samples/hung_task/hung_task_tests.c, line 83
• security/integrity/evm/evm_crypto.c, line 449
• security/keys/dh.c, line 35
• security/keys/encrypted-keys/encrypted.c, line 313
• security/keys/encrypted-keys/masterkey_trusted.c, line 37
• security/keys/key.c, line 720
• security/keys/keyctl.c, line 807
• security/keys/persistent.c, line 91
• security/keys/process_keys.c, line 728
• security/keys/request_key.c, line 288
• security/keys/request_key_auth.c, 2 times
• security/selinux/include/xfrm.h, line 52
• sound/core/seq/seq_virmidi.c, line 83
• sound/soc/fsl/fsl_xcvr.c, 2 times
• sound/soc/intel/atom/sst-atom-controls.c, line 1428
• tools/include/linux/rwsem.h, line 41
• tools/perf/util/cgroup.c, line 594
• tools/perf/util/comm.c, line 144
• tools/perf/util/dsos.c, 3 times
• tools/perf/util/env.c, 3 times
• tools/perf/util/header.c, line 1171
• tools/perf/util/maps.c, 12 times
• tools/perf/util/thread.c, 5 times
• tools/perf/util/threads.c, 3 times

Smatch caller information: