Defined in 2 files as a prototype:

• include/linux/rwsem.h, line 257 (as a prototype)
• tools/perf/util/rwsem.h, line 28 (as a prototype)

Defined in 3 files as a function:

• kernel/locking/rwsem.c, line 1684 (as a function)
• tools/include/linux/rwsem.h, line 36 (as a function)
• tools/perf/util/rwsem.c, line 62 (as a function)

Referenced in 416 files:

• arch/powerpc/perf/vpa-dtl.c, line 327
• arch/powerpc/platforms/pseries/lpar.c, 2 times
• arch/s390/kernel/sysinfo.c, 3 times
• arch/x86/kernel/ldt.c, line 662
• arch/x86/kvm/hyperv.c, line 152
• arch/x86/kvm/svm/sev.c, 2 times
• arch/x86/kvm/x86.c, 2 times
• block/blk-crypto-profile.c, 2 times
• block/blk-mq.c, line 5213
• block/blk-sysfs.c, line 133
• block/elevator.c, line 832
• block/genhd.c, line 783
• crypto/af_alg.c, 2 times
• crypto/algapi.c, 12 times
• crypto/api.c, 5 times
• crypto/asymmetric_keys/asymmetric_type.c, 2 times
• crypto/crypto_user.c, 2 times
• drivers/accel/amdxdna/aie2_ctx.c, 4 times
• drivers/accel/amdxdna/amdxdna_gem.c, 6 times
• drivers/accel/habanalabs/common/debugfs.c, 2 times
• drivers/accel/ivpu/ivpu_pm.c, line 151
• drivers/acpi/cppc_acpi.c, 7 times
• drivers/acpi/glue.c, 2 times
• drivers/block/rbd.c, 14 times
• drivers/char/apm-emulation.c, 2 times
• drivers/char/tpm/tpm-chip.c, 2 times
• drivers/comedi/comedi_fops.c, line 909
• drivers/comedi/drivers.c, 2 times
• drivers/cpufreq/amd-pstate-ut.c, line 396
• drivers/crypto/hisilicon/qm.c, 15 times
• drivers/crypto/intel/qat/qat_common/adf_cfg.c, 4 times
• drivers/crypto/intel/qat/qat_common/adf_sysfs.c, line 305
• drivers/crypto/intel/qat/qat_common/adf_sysfs_rl.c, 4 times
• drivers/dax/bus.c, 19 times
• drivers/gnss/core.c, 3 times
• drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c, line 1811
• drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c, line 314
• drivers/gpu/drm/amd/amdkfd/kfd_topology.c, 6 times
• drivers/gpu/drm/drm_gpusvm.c, line 426
• drivers/gpu/drm/gma500/mmu.c, 5 times
• drivers/gpu/drm/imagination/pvr_power.c, 2 times
• drivers/gpu/drm/panthor/panthor_heap.c, 3 times
• drivers/gpu/drm/radeon/radeon_device.c, line 1769
• drivers/gpu/drm/radeon/radeon_pm.c, 3 times
• drivers/gpu/drm/ttm/ttm_pool.c, line 1269
• drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c, line 467
• drivers/gpu/drm/xe/xe_hw_engine_group.c, 4 times
• drivers/gpu/drm/xe/xe_pt.c, line 1518
• drivers/gpu/drm/xe/xe_svm.c, line 1766
• drivers/gpu/drm/xe/xe_userptr.c, 3 times
• drivers/gpu/drm/xe/xe_validation.c, line 100
• drivers/gpu/drm/xe/xe_vm.c, 16 times
• drivers/gpu/drm/xe/xe_vm_madvise.c, line 741
• drivers/hid/hidraw.c, 6 times
• drivers/i2c/i2c-boardinfo.c, line 90
• drivers/i2c/i2c-core-base.c, line 2121
• drivers/i3c/master.c, line 68
• drivers/infiniband/core/device.c, 22 times
• drivers/infiniband/core/netlink.c, line 127
• drivers/infiniband/core/nldev.c, 2 times
• drivers/infiniband/core/uverbs_main.c, line 1013
• drivers/infiniband/core/verbs.c, line 2140
• drivers/infiniband/hw/erdma/erdma_cm.c, 6 times
• drivers/infiniband/hw/erdma/erdma_qp.c, line 38
• drivers/infiniband/hw/erdma/erdma_verbs.c, 2 times
• drivers/infiniband/sw/siw/siw_cm.c, 4 times
• drivers/infiniband/sw/siw/siw_qp.c, line 176
• drivers/infiniband/sw/siw/siw_verbs.c, 2 times
• drivers/iommu/intel/dmar.c, 4 times
• drivers/iommu/intel/iommu.c, 4 times
• drivers/iommu/intel/irq_remapping.c, line 1004
• drivers/iommu/iommufd/eventq.c, 2 times
• drivers/iommu/iommufd/io_pagetable.c, 25 times
• drivers/iommu/iommufd/ioas.c, 3 times
• drivers/iommu/iommufd/selftest.c, 2 times
• drivers/leds/led-class.c, 3 times
• drivers/leds/led-triggers.c, 8 times
• drivers/leds/leds-bd2802.c, 3 times
• drivers/md/bcache/btree.h, line 260
• drivers/md/bcache/super.c, 3 times
• drivers/md/bcache/writeback.c, 3 times
• drivers/md/dm-bufio.c, 3 times
• drivers/md/dm-cache-metadata.c, 2 times
• drivers/md/dm-cache-target.c, line 1041
• drivers/md/dm-clone-metadata.c, 6 times
• drivers/md/dm-ioctl.c, 23 times
• drivers/md/dm-path-selector.c, 3 times
• drivers/md/dm-snap.c, 18 times
• drivers/md/dm-target.c, 2 times
• drivers/md/dm-thin-metadata.c, line 436
• drivers/md/dm-thin.c, line 177
• drivers/md/dm-zoned-metadata.c, line 954
• drivers/media/dvb-core/dvbdev.c, 3 times
• drivers/mfd/intel-m10-bmc-core.c, line 23
• drivers/misc/mei/client.c, 4 times
• drivers/misc/vmw_balloon.c, 2 times
• drivers/mtd/ubi/eba.c, line 416
• drivers/mtd/ubi/fastmap.c, 10 times
• drivers/mtd/ubi/wl.c, 2 times
• drivers/net/ethernet/intel/ice/ice_dpll.c, line 4848
• drivers/net/ethernet/mellanox/mlx4/cmd.c, 2 times
• drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c, line 712
• drivers/net/ethernet/mellanox/mlx5/core/eswitch.c, 3 times
• drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c, 12 times
• drivers/net/ethernet/mellanox/mlx5/core/fs_core.c, line 445
• 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, 3 times
• drivers/net/ethernet/sfc/efx.c, 2 times
• drivers/net/ethernet/sfc/efx_common.c, 2 times
• 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, 2 times
• 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, 8 times
• drivers/net/wireless/ath/wil6210/main.c, 3 times
• drivers/net/wireless/ath/wil6210/pm.c, 2 times
• drivers/net/wireless/ath/wil6210/wil_crash_dump.c, 2 times
• drivers/nvme/host/fabrics.c, 2 times
• drivers/nvme/target/auth.c, line 60
• drivers/nvme/target/configfs.c, 28 times
• drivers/nvme/target/core.c, 5 times
• drivers/nvme/target/discovery.c, 2 times
• drivers/pci/hotplug/cpci_hotplug_core.c, 5 times
• drivers/pci/hotplug/pciehp_hpc.c, line 956
• 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, 4 times
• drivers/platform/surface/aggregator/controller.c, line 981
• drivers/platform/surface/surface_acpi_notify.c, line 65
• drivers/platform/surface/surface_aggregator_cdev.c, 5 times
• drivers/platform/surface/surface_dtx.c, 5 times
• drivers/platform/wmi/core.c, 5 times
• drivers/platform/x86/msi-wmi-platform.c, line 251
• drivers/rapidio/rio_cm.c, 6 times
• drivers/s390/block/dcssblk.c, 11 times
• drivers/s390/crypto/vfio_ap_ops.c, line 85
• drivers/staging/greybus/audio_manager.c, 4 times
• drivers/staging/greybus/raw.c, line 244
• drivers/tty/serial/serial_core.c, line 1617
• drivers/tty/tty_ioctl.c, 8 times
• drivers/tty/tty_ldisc.c, 2 times
• drivers/ufs/core/ufshcd.c, 6 times
• drivers/usb/core/file.c, 3 times
• drivers/usb/core/hcd-pci.c, 2 times
• drivers/usb/fotg210/fotg210-hcd.c, line 5053
• drivers/usb/gadget/function/f_mass_storage.c, 2 times
• drivers/usb/gadget/function/storage_common.c, line 463
• drivers/usb/host/ehci-hcd.c, line 648
• drivers/usb/isp1760/isp1760-hcd.c, 2 times
• drivers/usb/misc/usblcd.c, line 426
• drivers/usb/serial/xr_serial.c, line 877
• drivers/vdpa/mlx5/net/mlx5_vnet.c, 11 times
• drivers/vdpa/vdpa.c, 10 times
• drivers/vfio/container.c, 4 times
• drivers/vfio/mdev/mdev_core.c, line 104
• drivers/vfio/pci/vfio_pci_config.c, 5 times
• drivers/vfio/pci/vfio_pci_core.c, 9 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/video/fbdev/omap2/omapfb/omapfb-ioctl.c, line 256
• drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c, line 483
• drivers/virt/coco/guest/tsm-mr.c, line 118
• drivers/xen/xen-pciback/pci_stub.c, 5 times
• drivers/xen/xenbus/xenbus_xs.c, 2 times
• fs/9p/vfs_dentry.c, line 210
• fs/9p/vfs_inode.c, line 949
• fs/adfs/dir.c, 2 times
• fs/afs/cell.c, 8 times
• fs/afs/dir.c, 10 times
• fs/afs/dir_silly.c, 2 times
• fs/afs/file.c, 2 times
• fs/afs/inode.c, line 849
• fs/afs/server.c, 5 times
• fs/afs/server_list.c, 3 times
• fs/afs/symlink.c, line 194
• fs/afs/validation.c, 2 times
• fs/btrfs/block-group.c, 13 times
• fs/btrfs/dev-replace.c, 16 times
• fs/btrfs/disk-io.c, 2 times
• fs/btrfs/file.c, 3 times
• fs/btrfs/free-space-cache.c, 3 times
• fs/btrfs/inode.c, 3 times
• fs/btrfs/ioctl.c, 4 times
• fs/btrfs/locking.c, line 201
• fs/btrfs/reflink.c, 2 times
• fs/btrfs/scrub.c, 2 times
• fs/btrfs/space-info.c, line 412
• fs/btrfs/super.c, line 2113
• fs/btrfs/transaction.c, line 220
• fs/btrfs/volumes.c, 2 times
• fs/btrfs/zoned.c, line 2830
• fs/ceph/addr.c, 2 times
• fs/ceph/caps.c, line 4519
• fs/ceph/io.c, line 128
• fs/ceph/mds_client.c, line 4150
• fs/ceph/snap.c, 4 times
• fs/configfs/dir.c, 3 times
• fs/crypto/keyring.c, 4 times
• fs/dlm/lowcomms.c, 7 times
• fs/dlm/recoverd.c, 2 times
• fs/ecryptfs/keystore.c, 11 times
• fs/ecryptfs/main.c, line 205
• fs/erofs/decompressor_crypto.c, 3 times
• fs/erofs/super.c, line 530
• fs/exec.c, 3 times
• fs/exfat/file.c, line 424
• fs/ext2/xattr.c, 2 times
• fs/ext4/ext4.h, line 3599
• fs/ext4/extents-test.c, line 331
• fs/ext4/extents.c, 11 times
• fs/ext4/fast_commit.c, 2 times
• fs/ext4/file.c, line 180
• fs/ext4/ialloc.c, line 1628
• fs/ext4/indirect.c, line 711
• fs/ext4/inline.c, 3 times
• fs/ext4/inode.c, 10 times
• fs/ext4/mballoc-test.c, line 170
• fs/ext4/migrate.c, 4 times
• fs/ext4/move_extent.c, 2 times
• fs/ext4/xattr.h, line 170
• fs/f2fs/f2fs.h, line 2482
• fs/f2fs/file.c, line 2520
• fs/f2fs/gc.c, line 1767
• fs/f2fs/node.c, 2 times
• fs/f2fs/segment.c, 14 times
• fs/fat/file.c, line 589
• fs/fs-writeback.c, line 402
• fs/fsopen.c, 2 times
• fs/fuse/dax.c, 6 times
• fs/fuse/inode.c, 2 times
• fs/gfs2/bmap.c, 6 times
• fs/gfs2/lock_dlm.c, line 1438
• fs/gfs2/log.c, 4 times
• fs/gfs2/rgrp.c, line 692
• fs/gfs2/super.c, line 72
• fs/gfs2/util.c, 2 times
• fs/hugetlbfs/inode.c, line 440
• fs/jffs2/wbuf.c, 5 times
• fs/jffs2/xattr.c, 11 times
• fs/jfs/jfs_incore.h, line 113
• fs/jfs/xattr.c, line 798
• fs/kernfs/dir.c, 15 times
• fs/kernfs/inode.c, 2 times
• fs/kernfs/mount.c, 2 times
• fs/lockd/clntlock.c, line 279
• fs/namespace.c, 4 times
• fs/netfs/fscache_cache.c, 4 times
• fs/netfs/fscache_volume.c, 2 times
• fs/netfs/locking.c, 3 times
• fs/nfs/delegation.c, 2 times
• fs/nfs/dir.c, line 2526
• fs/nfs/io.c, 2 times
• fs/nfs/namespace.c, line 208
• fs/nfs/nfs4state.c, line 1490
• fs/nfsd/nfs4recover.c, line 292
• fs/nfsd/nfs4state.c, 5 times
• fs/nilfs2/bmap.c, 8 times
• fs/nilfs2/cpfile.c, 5 times
• fs/nilfs2/ioctl.c, line 1313
• 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 785
• fs/nilfs2/the_nilfs.c, line 359
• fs/ntfs/attrib.c, 24 times
• fs/ntfs/compress.c, 2 times
• fs/ntfs/dir.c, line 1179
• fs/ntfs/file.c, 3 times
• fs/ntfs/inode.c, 3 times
• fs/ntfs/iomap.c, 13 times
• fs/ntfs/lcnalloc.c, 5 times
• fs/ntfs/lcnalloc.h, line 129
• fs/ntfs/logfile.c, 2 times
• fs/ntfs/mft.c, 28 times
• fs/ntfs3/attrib.c, 6 times
• fs/ntfs3/file.c, line 1447
• fs/ntfs3/frecord.c, 4 times
• fs/ntfs3/fsntfs.c, 13 times
• fs/ntfs3/index.c, 2 times
• fs/ntfs3/inode.c, line 911
• fs/ntfs3/record.c, line 154
• fs/ntfs3/run.c, line 1253
• fs/ocfs2/aops.c, 4 times
• fs/ocfs2/cluster/heartbeat.c, 4 times
• fs/ocfs2/dir.c, 2 times
• fs/ocfs2/dlm/dlmdomain.c, 2 times
• fs/ocfs2/dlmglue.c, 2 times
• fs/ocfs2/file.c, 9 times
• fs/ocfs2/inode.c, line 1304
• fs/ocfs2/journal.c, 3 times
• fs/ocfs2/mmap.c, line 145
• fs/ocfs2/move_extents.c, line 946
• fs/ocfs2/quota_global.c, 5 times
• fs/ocfs2/quota_local.c, 2 times
• fs/ocfs2/refcounttree.c, 5 times
• fs/ocfs2/xattr.c, 3 times
• fs/orangefs/xattr.c, 2 times
• fs/quota/quota.c, 2 times
• fs/quota/quota_v1.c, line 218
• fs/quota/quota_v2.c, 3 times
• fs/smb/client/dfs_cache.c, 3 times
• fs/smb/client/file.c, 11 times
• fs/smb/client/smb2file.c, line 381
• fs/smb/server/connection.c, line 174
• 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, 15 times
• fs/smb/server/oplock.c, 2 times
• fs/smb/server/smb2pdu.c, 6 times
• fs/smb/server/transport_ipc.c, 2 times
• fs/smb/server/transport_rdma.c, line 194
• fs/smb/server/transport_tcp.c, line 89
• fs/smb/server/vfs_cache.c, 13 times
• fs/super.c, 2 times
• fs/ubifs/commit.c, 6 times
• fs/ubifs/debug.h, line 152
• fs/ubifs/journal.c, line 487
• fs/ubifs/xattr.c, 4 times
• fs/udf/file.c, 2 times
• fs/udf/inode.c, 9 times
• fs/udf/namei.c, 2 times
• fs/xfs/xfs_inode.c, 5 times
• fs/xfs/xfs_log_cil.c, 2 times
• include/linux/cpufreq.h, line 176
• include/linux/fs.h, 3 times
• include/linux/mmap_lock.h, line 587
• include/linux/rwsem.h, line 270
• include/linux/vdpa.h, 2 times
• include/net/netfilter/nf_flow_table.h, 3 times
• ipc/msg.c, line 473
• ipc/namespace.c, line 147
• ipc/sem.c, line 1647
• ipc/shm.c, 5 times
• ipc/util.c, 2 times
• kernel/bpf/crypto.c, 2 times
• kernel/bpf/offload.c, 9 times
• kernel/cgroup/cgroup.c, line 2569
• kernel/events/uprobes.c, 6 times
• kernel/liveupdate/luo_file.c, 2 times
• kernel/liveupdate/luo_session.c, 3 times
• kernel/locking/locktorture.c, line 802
• kernel/locking/rwsem.c, line 1690
• kernel/notifier.c, 2 times
• kernel/rcu/rcutorture.c, line 4593
• kernel/sched/autogroup.c, line 264
• kernel/sys.c, 2 times
• kernel/taskstats.c, 3 times
• kernel/time/posix-clock.c, line 186
• kernel/trace/trace.c, line 791
• 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 64
• lib/codetag.c, 6 times
• lib/locking-selftest.c, line 252
• lib/test_context-analysis.c, 2 times
• lib/test_lockup.c, line 290
• lib/test_maple_tree.c, 4 times
• lib/test_objpool.c, 2 times
• mm/filemap.c, 2 times
• mm/hugetlb.c, 4 times
• mm/internal.h, line 308
• mm/nommu.c, 8 times
• mm/shmem_quota.c, 3 times
• mm/userfaultfd.c, 4 times
• mm/util.c, line 1151
• net/bluetooth/bnep/core.c, 3 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 98
• net/core/net_namespace.c, 8 times
• net/core/rtnetlink.c, 3 times
• net/netfilter/ipvs/ip_vs_ctl.c, 2 times
• net/netfilter/nf_flow_table_offload.c, 3 times
• net/netlink/genetlink.c, 2 times
• net/rds/ib.c, 2 times
• net/rds/transport.c, 2 times
• net/sched/act_ct.c, line 391
• net/sched/cls_api.c, 5 times
• net/smc/af_smc.c, 3 times
• net/smc/smc_core.c, 13 times
• net/smc/smc_llc.c, 8 times
• net/tls/tls_device.c, line 1371
• samples/hung_task/hung_task_tests.c, line 108
• security/keys/gc.c, line 372
• security/keys/key.c, 6 times
• security/keys/keyctl.c, 4 times
• security/keys/keyring.c, 7 times
• security/keys/persistent.c, line 104
• security/keys/process_keys.c, 5 times
• security/landlock/tsync.c, line 621
• sound/core/control.c, 5 times
• tools/perf/util/cgroup.c, 2 times
• tools/perf/util/comm.c, 3 times
• tools/perf/util/dso.c, 2 times
• tools/perf/util/dsos.c, 7 times
• tools/perf/util/env.c, 3 times
• tools/perf/util/header.c, 4 times
• tools/perf/util/maps.c, 13 times
• tools/perf/util/thread.c, 4 times
• tools/perf/util/threads.c, 4 times

Smatch caller information: