Defined in 2 files as a prototype:

• include/linux/rwsem.h, line 241 (as a prototype)
• tools/perf/util/rwsem.h, line 27 (as a prototype)

Defined in 3 files as a function:

• kernel/locking/rwsem.c, line 1627 (as a function)
• tools/include/linux/rwsem.h, line 31 (as a function)
• tools/perf/util/rwsem.c, line 51 (as a function)

Referenced in 387 files:

• arch/s390/kernel/sysinfo.c, 2 times
• arch/x86/kvm/hyperv.c, line 137
• arch/x86/kvm/svm/sev.c, 2 times
• arch/x86/kvm/x86.c, 2 times
• arch/x86/mm/pat/set_memory.c, line 2506
• block/blk-crypto-profile.c, 2 times
• block/blk-mq.c, line 5209
• block/genhd.c, line 781
• crypto/af_alg.c, 2 times
• crypto/algapi.c, 11 times
• crypto/api.c, 4 times
• crypto/asymmetric_keys/asymmetric_type.c, 2 times
• crypto/crypto_user.c, 2 times
• drivers/accel/amdxdna/aie2_ctx.c, 2 times
• drivers/accel/amdxdna/amdxdna_gem.c, 6 times
• drivers/accel/habanalabs/common/debugfs.c, 2 times
• drivers/accel/ivpu/ivpu_pm.c, line 132
• drivers/acpi/cppc_acpi.c, 6 times
• drivers/acpi/glue.c, 2 times
• drivers/base/devtmpfs.c, line 81
• drivers/block/rbd.c, 12 times
• drivers/char/apm-emulation.c, 2 times
• drivers/char/tpm/tpm-chip.c, 2 times
• drivers/comedi/comedi_fops.c, line 899
• drivers/comedi/drivers.c, 2 times
• drivers/cpufreq/amd-pstate-ut.c, line 324
• drivers/crypto/hisilicon/qm.c, 12 times
• drivers/crypto/intel/qat/qat_common/adf_cfg.c, 4 times
• drivers/crypto/intel/qat/qat_common/adf_sysfs.c, line 303
• drivers/crypto/intel/qat/qat_common/adf_sysfs_rl.c, 3 times
• drivers/dax/bus.c, 3 times
• drivers/gnss/core.c, 3 times
• drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c, line 307
• drivers/gpu/drm/amd/amdkfd/kfd_topology.c, 6 times
• drivers/gpu/drm/drm_gpusvm.c, line 423
• drivers/gpu/drm/gma500/mmu.c, 5 times
• drivers/gpu/drm/imagination/pvr_power.c, line 523
• drivers/gpu/drm/panthor/panthor_heap.c, 3 times
• drivers/gpu/drm/radeon/radeon_device.c, line 1766
• drivers/gpu/drm/radeon/radeon_pm.c, 2 times
• drivers/gpu/drm/ttm/ttm_pool.c, line 1268
• drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c, line 455
• drivers/gpu/drm/xe/xe_hw_engine_group.c, line 194
• drivers/gpu/drm/xe/xe_pt.c, line 1509
• drivers/gpu/drm/xe/xe_userptr.c, 3 times
• drivers/gpu/drm/xe/xe_validation.c, line 63
• drivers/gpu/drm/xe/xe_vm.c, 11 times
• drivers/hid/hidraw.c, 4 times
• drivers/i2c/i2c-boardinfo.c, line 55
• drivers/i2c/i2c-core-base.c, line 2118
• drivers/i3c/master.c, line 54
• drivers/infiniband/core/device.c, 19 times
• drivers/infiniband/core/netlink.c, line 125
• drivers/infiniband/core/nldev.c, 2 times
• drivers/infiniband/core/uverbs_main.c, line 995
• drivers/infiniband/core/verbs.c, line 2134
• drivers/infiniband/hw/erdma/erdma_cm.c, 2 times
• drivers/infiniband/hw/erdma/erdma_qp.c, line 16
• drivers/infiniband/hw/erdma/erdma_verbs.c, 2 times
• drivers/infiniband/sw/siw/siw_cm.c, 2 times
• drivers/infiniband/sw/siw/siw_qp.c, line 134
• drivers/infiniband/sw/siw/siw_verbs.c, 2 times
• drivers/iommu/intel/dmar.c, 4 times
• drivers/iommu/intel/iommu.c, 3 times
• drivers/iommu/intel/irq_remapping.c, line 1002
• drivers/iommu/iommufd/eventq.c, 2 times
• drivers/iommu/iommufd/io_pagetable.c, 21 times
• drivers/iommu/iommufd/ioas.c, line 447
• drivers/iommu/iommufd/selftest.c, 2 times
• drivers/leds/led-class.c, 3 times
• drivers/leds/led-triggers.c, 7 times
• drivers/leds/leds-bd2802.c, 3 times
• drivers/md/bcache/btree.h, line 250
• drivers/md/bcache/super.c, line 1295
• drivers/md/bcache/writeback.c, line 749
• drivers/md/dm-bufio.c, 3 times
• drivers/md/dm-cache-metadata.c, line 1006
• drivers/md/dm-cache-target.c, line 1034
• drivers/md/dm-clone-metadata.c, 6 times
• drivers/md/dm-ioctl.c, 11 times
• drivers/md/dm-path-selector.c, 2 times
• drivers/md/dm-snap.c, 16 times
• drivers/md/dm-target.c, 2 times
• drivers/md/dm-thin-metadata.c, line 423
• drivers/md/dm-thin.c, line 168
• drivers/md/dm-zoned-metadata.c, line 894
• drivers/media/dvb-core/dvbdev.c, 2 times
• drivers/mfd/intel-m10-bmc-core.c, line 21
• drivers/misc/mei/client.c, 4 times
• drivers/misc/vmw_balloon.c, 2 times
• drivers/mtd/ubi/eba.c, line 364
• drivers/mtd/ubi/fastmap-wl.c, 3 times
• drivers/mtd/ubi/fastmap.c, line 889
• drivers/mtd/ubi/wl.c, 2 times
• drivers/net/ethernet/intel/ice/ice_dpll.c, line 4847
• drivers/net/ethernet/mellanox/mlx4/cmd.c, 2 times
• drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c, line 684
• drivers/net/ethernet/mellanox/mlx5/core/eswitch.c, line 3027
• drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c, 11 times
• drivers/net/ethernet/mellanox/mlx5/core/fs_core.c, line 430
• drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c, 4 times
• drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c, 2 times
• drivers/net/ethernet/pensando/ionic/ionic_lif.c, 6 times
• drivers/net/ethernet/sfc/ef10.c, 4 times
• drivers/net/ethernet/sfc/ef100_netdev.c, 2 times
• drivers/net/ethernet/sfc/ef100_nic.c, 2 times
• drivers/net/ethernet/sfc/efx.c, 2 times
• drivers/net/ethernet/sfc/efx_common.c, line 700
• drivers/net/ethernet/sfc/falcon/efx.c, 2 times
• drivers/net/ethernet/sfc/mcdi_filters.c, 8 times
• drivers/net/ethernet/sfc/siena/efx.c, 2 times
• drivers/net/ethernet/sfc/siena/efx_common.c, line 727
• drivers/net/ethernet/sfc/siena/farch.c, 6 times
• drivers/net/ethernet/sfc/siena/rx_common.c, 2 times
• drivers/net/wireguard/cookie.c, 3 times
• drivers/net/wireguard/netlink.c, 2 times
• drivers/net/wireguard/noise.c, 7 times
• drivers/net/wireless/ath/wil6210/main.c, line 1656
• drivers/net/wireless/ath/wil6210/wil_crash_dump.c, line 65
• drivers/nvme/host/fabrics.c, 2 times
• drivers/nvme/target/auth.c, line 50
• drivers/nvme/target/configfs.c, 21 times
• drivers/nvme/target/core.c, 5 times
• drivers/nvme/target/discovery.c, 2 times
• drivers/pci/hotplug/cpci_hotplug_core.c, 4 times
• drivers/pci/pci-acpi.c, 2 times
• drivers/pci/probe.c, 3 times
• drivers/pci/remove.c, 2 times
• drivers/pcmcia/cs.c, 3 times
• drivers/platform/chrome/cros_ec_ishtp.c, 3 times
• drivers/platform/surface/aggregator/controller.c, line 970
• drivers/platform/surface/surface_acpi_notify.c, line 60
• drivers/platform/surface/surface_aggregator_cdev.c, 4 times
• drivers/platform/surface/surface_dtx.c, 4 times
• drivers/platform/wmi/core.c, 5 times
• drivers/platform/x86/msi-wmi-platform.c, line 248
• drivers/rapidio/rio_cm.c, 4 times
• drivers/s390/block/dcssblk.c, 5 times
• drivers/s390/crypto/vfio_ap_ops.c, line 62
• drivers/staging/greybus/audio_manager.c, 3 times
• drivers/staging/greybus/raw.c, line 242
• drivers/tty/serial/serial_core.c, line 1574
• drivers/tty/tty_ioctl.c, 8 times
• drivers/tty/tty_ldisc.c, 2 times
• drivers/ufs/core/ufshcd.c, 4 times
• drivers/usb/core/file.c, 2 times
• drivers/usb/core/hcd-pci.c, 2 times
• drivers/usb/fotg210/fotg210-hcd.c, line 5048
• drivers/usb/gadget/function/f_mass_storage.c, 2 times
• drivers/usb/gadget/function/storage_common.c, line 452
• drivers/usb/host/ehci-hcd.c, line 630
• drivers/usb/isp1760/isp1760-hcd.c, 2 times
• drivers/usb/misc/usblcd.c, line 424
• drivers/usb/serial/xr_serial.c, line 874
• drivers/vdpa/mlx5/net/mlx5_vnet.c, 10 times
• drivers/vdpa/vdpa.c, 10 times
• drivers/vfio/container.c, 3 times
• drivers/vfio/mdev/mdev_core.c, line 100
• drivers/vfio/pci/vfio_pci_config.c, 2 times
• drivers/vfio/pci/vfio_pci_core.c, 6 times
• drivers/vfio/pci/vfio_pci_dmabuf.c, 3 times
• drivers/video/fbdev/matrox/matroxfb_crtc2.c, 2 times
• drivers/video/fbdev/matrox/matroxfb_g450.c, 2 times
• drivers/video/fbdev/matrox/matroxfb_maven.c, 2 times
• drivers/xen/xen-pciback/pci_stub.c, 5 times
• drivers/xen/xenbus/xenbus_xs.c, line 821
• fs/9p/vfs_inode.c, line 905
• fs/adfs/dir.c, line 288
• fs/afs/cell.c, 5 times
• fs/afs/dir.c, 8 times
• fs/afs/dir_silly.c, 2 times
• fs/afs/file.c, 2 times
• fs/afs/inode.c, line 799
• fs/afs/server.c, 3 times
• fs/afs/server_list.c, 3 times
• fs/btrfs/block-group.c, 5 times
• fs/btrfs/dev-replace.c, 9 times
• fs/btrfs/disk-io.c, 2 times
• fs/btrfs/file.c, line 1572
• fs/btrfs/free-space-cache.c, line 1391
• fs/btrfs/inode.c, 3 times
• fs/btrfs/ioctl.c, 4 times
• fs/btrfs/reflink.c, line 677
• fs/btrfs/scrub.c, 2 times
• fs/btrfs/space-info.c, line 410
• fs/btrfs/transaction.c, line 193
• fs/btrfs/volumes.c, line 2925
• fs/btrfs/zoned.c, line 2828
• fs/ceph/addr.c, line 2437
• fs/ceph/caps.c, line 4515
• fs/ceph/mds_client.c, line 4144
• fs/ceph/snap.c, 2 times
• fs/configfs/dir.c, 2 times
• fs/crypto/keyring.c, 2 times
• fs/dlm/lowcomms.c, 5 times
• fs/dlm/recoverd.c, 2 times
• fs/ecryptfs/keystore.c, 2 times
• fs/erofs/decompressor_crypto.c, 2 times
• fs/erofs/super.c, line 528
• fs/exfat/file.c, line 416
• fs/ext2/xattr.c, line 442
• fs/ext4/ext4.h, line 3596
• fs/ext4/extents.c, 7 times
• fs/ext4/fast_commit.c, 2 times
• fs/ext4/file.c, line 178
• fs/ext4/ialloc.c, line 1552
• fs/ext4/indirect.c, line 736
• fs/ext4/inline.c, 2 times
• fs/ext4/inode.c, 7 times
• fs/ext4/migrate.c, 3 times
• fs/ext4/move_extent.c, 2 times
• fs/ext4/xattr.h, line 152
• fs/f2fs/f2fs.h, line 2457
• fs/f2fs/file.c, line 2511
• fs/f2fs/gc.c, line 1764
• fs/f2fs/node.c, 2 times
• fs/f2fs/segment.c, 13 times
• fs/fat/file.c, line 586
• fs/fs-writeback.c, line 397
• fs/fsopen.c, line 267
• fs/fuse/dax.c, 4 times
• fs/fuse/inode.c, 2 times
• fs/gfs2/bmap.c, 5 times
• fs/gfs2/lock_dlm.c, line 1431
• fs/gfs2/log.c, 4 times
• fs/gfs2/rgrp.c, line 689
• fs/gfs2/super.c, line 70
• fs/gfs2/util.c, line 120
• fs/hugetlbfs/inode.c, line 430
• fs/jffs2/wbuf.c, 4 times
• fs/jffs2/xattr.c, 10 times
• fs/jfs/xattr.c, line 678
• fs/kernfs/dir.c, 14 times
• fs/kernfs/inode.c, 2 times
• fs/kernfs/mount.c, 2 times
• fs/lockd/clntlock.c, line 242
• fs/namespace.c, 4 times
• fs/netfs/fscache_cache.c, 3 times
• fs/netfs/fscache_volume.c, 2 times
• fs/nfs/delegation.c, line 188
• fs/nfs/dir.c, line 2516
• fs/nfs/nfs4state.c, line 1445
• fs/nfsd/nfs4recover.c, line 288
• fs/nfsd/nfs4state.c, 2 times
• fs/nilfs2/bmap.c, 8 times
• fs/nilfs2/cpfile.c, 5 times
• fs/nilfs2/ioctl.c, line 1299
• fs/nilfs2/mdt.c, 2 times
• fs/nilfs2/segment.c, 5 times
• fs/nilfs2/sufile.c, 8 times
• fs/nilfs2/super.c, 10 times
• fs/nilfs2/sysfs.c, line 783
• fs/nilfs2/the_nilfs.c, line 356
• fs/ntfs/attrib.c, 12 times
• fs/ntfs/compress.c, line 1439
• fs/ntfs/dir.c, line 1177
• fs/ntfs/file.c, 3 times
• fs/ntfs/inode.c, 2 times
• fs/ntfs/iomap.c, 3 times
• fs/ntfs/lcnalloc.c, 2 times
• fs/ntfs/lcnalloc.h, line 127
• fs/ntfs/logfile.c, line 672
• fs/ntfs/mft.c, 12 times
• fs/ntfs3/attrib.c, 6 times
• fs/ntfs3/file.c, line 1439
• fs/ntfs3/frecord.c, 4 times
• fs/ntfs3/fsntfs.c, line 540
• fs/ntfs3/index.c, 2 times
• fs/ntfs3/inode.c, line 903
• fs/ntfs3/record.c, line 149
• fs/ocfs2/aops.c, 3 times
• fs/ocfs2/cluster/heartbeat.c, 4 times
• fs/ocfs2/dir.c, 3 times
• fs/ocfs2/dlm/dlmdomain.c, 2 times
• fs/ocfs2/dlmglue.c, line 2873
• fs/ocfs2/file.c, 7 times
• fs/ocfs2/journal.c, line 318
• fs/ocfs2/mmap.c, line 141
• fs/ocfs2/move_extents.c, line 942
• fs/ocfs2/quota_global.c, 4 times
• fs/ocfs2/quota_local.c, line 523
• fs/ocfs2/refcounttree.c, 5 times
• fs/ocfs2/xattr.c, 3 times
• fs/orangefs/xattr.c, 2 times
• fs/quota/quota.c, line 996
• fs/quota/quota_v1.c, line 196
• fs/quota/quota_v2.c, 3 times
• fs/readdir.c, line 56
• fs/smb/client/dfs_cache.c, 3 times
• fs/smb/server/connection.c, line 172
• fs/smb/server/mgmt/share_config.c, 2 times
• fs/smb/server/mgmt/tree_connect.c, 3 times
• fs/smb/server/mgmt/user_session.c, 13 times
• fs/smb/server/oplock.c, 2 times
• fs/smb/server/smb2pdu.c, 5 times
• fs/smb/server/transport_ipc.c, 3 times
• fs/smb/server/transport_rdma.c, line 192
• fs/smb/server/transport_tcp.c, line 87
• fs/smb/server/vfs_cache.c, 13 times
• fs/super.c, 2 times
• fs/ubifs/commit.c, 2 times
• fs/ubifs/journal.c, line 482
• fs/ubifs/xattr.c, 3 times
• fs/udf/file.c, 2 times
• fs/udf/inode.c, 9 times
• fs/udf/namei.c, line 599
• fs/xfs/xfs_log_cil.c, line 1397
• include/linux/cpufreq.h, line 176
• include/linux/fs.h, 3 times
• include/linux/mmap_lock.h, line 544
• include/linux/rwsem.h, 3 times
• include/linux/vdpa.h, 2 times
• include/net/netfilter/nf_flow_table.h, 2 times
• ipc/msg.c, line 408
• ipc/namespace.c, line 134
• ipc/sem.c, line 1608
• ipc/shm.c, 5 times
• ipc/util.c, 2 times
• kernel/bpf/crypto.c, 2 times
• kernel/bpf/offload.c, 8 times
• kernel/cgroup/cgroup.c, line 2546
• kernel/events/uprobes.c, 6 times
• kernel/liveupdate/luo_file.c, line 895
• kernel/liveupdate/luo_session.c, 2 times
• kernel/locking/locktorture.c, line 786
• kernel/locking/rwsem.c, line 1634
• kernel/notifier.c, 2 times
• kernel/rcu/rcutorture.c, line 4590
• kernel/sched/autogroup.c, line 260
• kernel/sys.c, 2 times
• kernel/taskstats.c, 3 times
• kernel/time/posix-clock.c, line 184
• kernel/trace/trace.c, line 776
• kernel/trace/trace_events.c, 7 times
• kernel/trace/trace_output.c, 2 times
• kernel/trace/trace_remote.c, 2 times
• kernel/umh.c, 2 times
• kernel/utsname_sysctl.c, line 62
• lib/codetag.c, 6 times
• lib/locking-selftest.c, line 251
• lib/test_context-analysis.c, 2 times
• lib/test_lockup.c, line 189
• lib/test_maple_tree.c, 2 times
• lib/test_objpool.c, 2 times
• mm/filemap.c, line 1038
• mm/hugetlb.c, 3 times
• mm/internal.h, line 298
• mm/nommu.c, 5 times
• mm/shmem_quota.c, 2 times
• mm/userfaultfd.c, 4 times
• mm/util.c, line 1145
• net/bluetooth/bnep/core.c, 2 times
• net/bluetooth/hidp/core.c, 3 times
• net/ceph/osd_client.c, 15 times
• net/core/dev.c, 2 times
• net/core/dev_api.c, line 94
• net/core/net_namespace.c, 8 times
• net/core/rtnetlink.c, 2 times
• net/netfilter/ipvs/ip_vs_ctl.c, line 793
• net/netfilter/nf_flow_table_offload.c, 3 times
• net/netlink/genetlink.c, line 47
• net/rds/ib.c, 2 times
• net/rds/transport.c, 2 times
• net/sched/act_ct.c, line 389
• net/sched/cls_api.c, 3 times
• net/smc/af_smc.c, 3 times
• net/smc/smc_core.c, 11 times
• net/smc/smc_llc.c, 8 times
• net/tls/tls_device.c, line 1302
• samples/hung_task/hung_task_tests.c, line 103
• security/keys/gc.c, line 367
• security/keys/key.c, 5 times
• security/keys/keyctl.c, 4 times
• security/keys/keyring.c, 9 times
• security/keys/persistent.c, line 102
• security/keys/process_keys.c, 4 times
• sound/core/control.c, 2 times
• tools/include/linux/rwsem.h, line 42
• tools/perf/util/cgroup.c, 2 times
• tools/perf/util/comm.c, 2 times
• tools/perf/util/dso.c, 2 times
• tools/perf/util/dsos.c, 5 times
• tools/perf/util/env.c, 3 times
• tools/perf/util/header.c, 3 times
• tools/perf/util/maps.c, 10 times
• tools/perf/util/thread.c, 4 times
• tools/perf/util/threads.c, 4 times

Smatch caller information: