Defined in 2 files as a prototype:

• include/linux/rwsem.h, line 197 (as a prototype)
• tools/perf/util/rwsem.h, line 14 (as a prototype)

Defined in 6 files as a macro:

• drivers/clk/mediatek/clk-mt8167-aud.c, line 137 (as a macro)
• drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c, line 138 (as a macro)
• include/linux/rwbase_rt.h, line 171 (as a macro)
• include/linux/tsacct_kern.h, line 172 (as a macro)
• include/uapi/linux/usb/g_printer.h, line 173 (as a macro)
• scripts/asn1_compiler.c, line 138 (as a macro)

Defined in 9 files as a function:

• drivers/android/binder.c, line 304 (as a function)
• drivers/gpu/drm/amd/display/dc/core/dc_link.c, line 437 (as a function)
• drivers/pci/controller/dwc/pcie-designware.c, line 340 (as a function)
• fs/nilfs2/sufile.c, line 458 (as a function)
• kernel/locking/rwsem.c, line 1613 (as a function)
• sound/pci/ice1712/ice1724.c, line 301 (as a function)
• tools/perf/util/rwsem.c, line 20 (as a function)
• tools/testing/selftests/bpf/prog_tests/btf.c, line 430 (as a function)
• tools/testing/selftests/net/fib_nexthops.sh, line 347 (as a function)

Referenced in 432 files:

• arch/alpha/kernel/osf_sys.c, 3 times
• arch/arm/boot/dts/imx7d-sdb.dts, line 382
• arch/s390/kernel/sysinfo.c, line 366
• arch/s390/kvm/priv.c, 2 times
• arch/sparc/kernel/sys_sparc_32.c, 2 times
• arch/sparc/kernel/sys_sparc_64.c, 2 times
• arch/x86/kernel/ldt.c, line 535
• arch/x86/kernel/umip.c, line 263
• arch/x86/kvm/svm/sev.c, line 233
• arch/x86/kvm/svm/svm.c, 4 times
• arch/x86/kvm/x86.c, line 10424
• block/blk-crypto-profile.c, line 261
• crypto/af_alg.c, line 51
• crypto/algapi.c, 2 times
• crypto/api.c, line 267
• crypto/asymmetric_keys/asymmetric_type.c, line 426
• crypto/crypto_user_base.c, 3 times
• crypto/proc.c, line 33
• drivers/accessibility/speakup/spk_ttyio.c, line 141
• drivers/acpi/cppc_acpi.c, 2 times
• drivers/acpi/glue.c, line 73
• drivers/base/core.c, line 309
• drivers/block/rbd.c, 10 times
• drivers/block/zram/zram_drv.c, 19 times
• drivers/char/apm-emulation.c, 4 times
• drivers/char/tpm/tpm-chip.c, 2 times
• drivers/comedi/comedi_fops.c, 6 times
• drivers/comedi/kcomedilib/kcomedilib_main.c, 3 times
• drivers/comedi/proc.c, line 43
• drivers/cpufreq/cpufreq.c, 2 times
• drivers/crypto/hisilicon/qm.c, 5 times
• drivers/crypto/qat/qat_common/adf_cfg.c, line 336
• drivers/cxl/core/hdm.c, 5 times
• drivers/cxl/core/memdev.c, line 291
• drivers/cxl/core/region.c, 11 times
• drivers/firewire/core-cdev.c, line 453
• drivers/firewire/core-device.c, 7 times
• drivers/gnss/core.c, line 167
• drivers/gpio/gpiolib-cdev.c, 5 times
• drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c, 3 times
• drivers/gpu/drm/amd/amdgpu/amdgpu_device.c, line 383
• drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c, line 593
• drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c, 4 times
• drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c, line 346
• drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c, 4 times
• drivers/gpu/drm/amd/amdkfd/kfd_topology.c, 11 times
• drivers/gpu/drm/gma500/mmu.c, 6 times
• drivers/gpu/drm/radeon/radeon_cs.c, 5 times
• drivers/gpu/drm/radeon/radeon_device.c, line 1869
• drivers/gpu/drm/radeon/radeon_display.c, 2 times
• drivers/gpu/drm/radeon/radeon_fence.c, 5 times
• drivers/gpu/drm/radeon/radeon_gem.c, 8 times
• drivers/gpu/drm/radeon/radeon_object.c, line 208
• drivers/gpu/drm/vmwgfx/vmwgfx_irq.c, line 237
• drivers/hid/hidraw.c, 2 times
• drivers/i2c/i2c-core-base.c, line 1332
• drivers/i3c/master.c, line 91
• drivers/infiniband/core/device.c, 30 times
• drivers/infiniband/core/netlink.c, 2 times
• drivers/infiniband/core/nldev.c, 2 times
• drivers/infiniband/core/rdma_core.c, 5 times
• drivers/infiniband/core/roce_gid_mgmt.c, line 501
• drivers/infiniband/core/uverbs_cmd.c, 2 times
• drivers/infiniband/core/uverbs_main.c, 2 times
• drivers/infiniband/core/verbs.c, 2 times
• drivers/infiniband/hw/bnxt_re/qplib_sp.c, line 263
• drivers/infiniband/hw/efa/efa_verbs.c, line 553
• drivers/infiniband/hw/mlx5/qp.c, line 156
• drivers/infiniband/sw/siw/siw_qp.c, line 117
• drivers/infiniband/sw/siw/siw_qp_tx.c, 2 times
• drivers/infiniband/sw/siw/siw_verbs.c, 4 times
• drivers/infiniband/ulp/ipoib/ipoib_ib.c, line 1167
• drivers/infiniband/ulp/ipoib/ipoib_main.c, 4 times
• drivers/input/misc/yealink.c, 4 times
• drivers/iommu/amd/amd_iommu.h, 3 times
• drivers/iommu/intel/iommu.c, 2 times
• drivers/iommu/intel/irq_remapping.c, 3 times
• drivers/leds/led-triggers.c, 9 times
• drivers/leds/leds-bd2802.c, 2 times
• drivers/md/bcache/btree.h, line 260
• drivers/md/bcache/writeback.c, line 288
• drivers/md/dm-cache-metadata.c, 2 times
• drivers/md/dm-cache-target.c, line 1041
• drivers/md/dm-clone-metadata.c, 2 times
• drivers/md/dm-crypt.c, 2 times
• drivers/md/dm-ioctl.c, 2 times
• drivers/md/dm-path-selector.c, 2 times
• drivers/md/dm-snap.c, 20 times
• drivers/md/dm-target.c, 3 times
• drivers/md/dm-thin-metadata.c, 18 times
• drivers/md/dm-thin.c, line 185
• drivers/md/dm-verity-verify-sig.c, line 61
• drivers/md/dm-zoned-metadata.c, line 385
• drivers/media/dvb-core/dvbdev.c, 2 times
• drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c, 3 times
• drivers/media/platform/renesas/vsp1/vsp1_drm.c, 2 times
• drivers/mfd/dln2.c, 2 times
• drivers/misc/habanalabs/common/debugfs.c, line 1362
• drivers/misc/mei/bus.c, line 1333
• drivers/misc/mei/client.c, 3 times
• drivers/misc/mei/debugfs.c, line 53
• drivers/misc/sgi-gru/grukservices.c, 3 times
• drivers/misc/vmw_balloon.c, 3 times
• drivers/mtd/ubi/eba.c, 5 times
• drivers/mtd/ubi/fastmap-wl.c, 2 times
• drivers/mtd/ubi/wl.c, 14 times
• drivers/net/ethernet/mellanox/mlx4/cmd.c, line 797
• drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c, line 635
• drivers/net/ethernet/mellanox/mlx5/core/eswitch.c, line 1990
• drivers/net/ethernet/mellanox/mlx5/core/fs_core.c, line 385
• drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c, 2 times
• drivers/net/ethernet/pensando/ionic/ionic_lif.c, 2 times
• drivers/net/ethernet/sfc/efx.h, line 234
• drivers/net/ethernet/sfc/efx_common.c, line 151
• drivers/net/ethernet/sfc/falcon/efx.c, 3 times
• drivers/net/ethernet/sfc/falcon/efx.h, line 268
• drivers/net/ethernet/sfc/mcdi_filters.c, 10 times
• drivers/net/ethernet/sfc/siena/efx.h, line 209
• drivers/net/ethernet/sfc/siena/efx_common.c, line 150
• drivers/net/ethernet/sfc/siena/farch.c, 3 times
• drivers/net/phy/dp83867.c, line 382
• drivers/net/ppp/ppp_generic.c, line 782
• drivers/net/wireguard/cookie.c, 4 times
• drivers/net/wireguard/netlink.c, 6 times
• drivers/net/wireguard/noise.c, 6 times
• drivers/net/wireless/ath/ath11k/peer.h, line 175
• drivers/net/wireless/ath/wil6210/main.c, 2 times
• drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c, line 383
• drivers/net/wireless/intel/iwlwifi/dvm/sta.c, line 593
• drivers/net/wireless/intel/iwlwifi/pcie/trans.c, line 263
• drivers/net/wireless/mediatek/mt76/mt76_connac2_mac.h, line 553
• drivers/nvdimm/security.c, 3 times
• drivers/nvme/host/core.c, 9 times
• drivers/nvme/host/fabrics.c, 2 times
• drivers/nvme/host/ioctl.c, 2 times
• drivers/nvme/host/multipath.c, 3 times
• drivers/nvme/target/admin-cmd.c, line 308
• drivers/nvme/target/auth.c, line 217
• drivers/nvme/target/core.c, 5 times
• drivers/nvme/target/discovery.c, 2 times
• drivers/pci/bus.c, line 427
• drivers/pci/hotplug/cpci_hotplug_core.c, 6 times
• drivers/pci/hotplug/pciehp_core.c, line 180
• drivers/pci/hotplug/pciehp_hpc.c, 3 times
• drivers/pci/hotplug/pciehp_pci.c, 2 times
• drivers/pci/pci-acpi.c, line 1291
• drivers/pci/pci.c, 3 times
• drivers/pci/pcie/aspm.c, 7 times
• drivers/pci/pcie/pme.c, 4 times
• drivers/pci/search.c, 2 times
• drivers/pci/setup-bus.c, 4 times
• drivers/pci/slot.c, 2 times
• drivers/pcmcia/cs.c, 2 times
• drivers/platform/chrome/cros_ec_ishtp.c, 2 times
• drivers/platform/surface/aggregator/controller.c, line 954
• drivers/platform/surface/surface_acpi_notify.c, 4 times
• drivers/platform/surface/surface_aggregator_cdev.c, 10 times
• drivers/platform/surface/surface_dtx.c, 10 times
• drivers/rapidio/rio_cm.c, 10 times
• drivers/s390/block/dcssblk.c, 3 times
• drivers/scsi/cxlflash/main.c, line 3555
• drivers/scsi/cxlflash/superpipe.c, 5 times
• drivers/scsi/cxlflash/vlun.c, line 452
• drivers/staging/greybus/audio_manager.c, 3 times
• drivers/tty/n_tty.c, 8 times
• drivers/tty/tty_io.c, 2 times
• drivers/tty/tty_ioctl.c, 6 times
• drivers/tty/tty_ldisc.c, line 568
• drivers/ufs/core/ufshcd.c, 2 times
• drivers/usb/core/file.c, line 50
• drivers/usb/core/hcd-pci.c, 2 times
• drivers/usb/core/hub.c, line 3081
• drivers/usb/gadget/function/f_mass_storage.c, 2 times
• drivers/usb/gadget/function/storage_common.c, 3 times
• drivers/usb/misc/usblcd.c, 3 times
• drivers/vdpa/mlx5/net/mlx5_vnet.c, line 2797
• drivers/vdpa/vdpa.c, 14 times
• drivers/vdpa/vdpa_user/vduse_dev.c, line 931
• drivers/vfio/container.c, line 235
• drivers/vfio/mdev/mdev_core.c, 3 times
• drivers/vfio/pci/vfio_pci_core.c, line 1719
• drivers/vfio/pci/vfio_pci_rdwr.c, 6 times
• drivers/video/fbdev/matrox/matroxfb_base.c, 8 times
• drivers/video/fbdev/matrox/matroxfb_crtc2.c, 2 times
• drivers/video/fbdev/omap2/omapfb/omapfb.h, line 193
• drivers/xen/xenbus/xenbus_xs.c, 2 times
• fs/9p/fid.c, 2 times
• fs/adfs/dir.c, 4 times
• fs/afs/callback.c, line 51
• fs/afs/cell.c, 2 times
• fs/afs/dir.c, 2 times
• fs/afs/dir_silly.c, 3 times
• fs/afs/dynroot.c, line 200
• fs/afs/proc.c, line 162
• fs/afs/write.c, line 829
• fs/btrfs/backref.c, 3 times
• fs/btrfs/block-group.c, 3 times
• fs/btrfs/ctree.c, 2 times
• fs/btrfs/dev-replace.c, 5 times
• fs/btrfs/disk-io.c, 2 times
• fs/btrfs/extent-tree.c, 4 times
• fs/btrfs/inode.c, 6 times
• fs/btrfs/ioctl.c, 4 times
• fs/btrfs/locking.c, line 178
• fs/btrfs/scrub.c, 2 times
• fs/btrfs/send.c, 11 times
• fs/btrfs/space-info.c, line 552
• fs/btrfs/sysfs.c, line 682
• fs/btrfs/volumes.c, 4 times
• fs/btrfs/zoned.c, 3 times
• fs/cachefiles/cache.c, line 353
• fs/ceph/addr.c, 2 times
• fs/ceph/caps.c, 5 times
• fs/ceph/file.c, 2 times
• fs/ceph/inode.c, line 2201
• fs/ceph/io.c, 4 times
• fs/ceph/ioctl.c, 2 times
• fs/ceph/mds_client.c, 4 times
• fs/ceph/quota.c, 6 times
• fs/ceph/xattr.c, 4 times
• fs/configfs/file.c, 7 times
• fs/coredump.c, line 310
• fs/crypto/hooks.c, line 164
• fs/crypto/keyring.c, 3 times
• fs/crypto/keysetup.c, 2 times
• fs/crypto/keysetup_v1.c, 2 times
• fs/dcache.c, line 3107
• fs/dlm/dir.c, 4 times
• fs/dlm/lock.c, 2 times
• fs/dlm/recover.c, 7 times
• fs/erofs/data.c, 3 times
• fs/erofs/super.c, line 323
• fs/exfat/inode.c, line 454
• fs/ext2/xattr.c, 2 times
• fs/ext4/extents.c, 4 times
• fs/ext4/ialloc.c, line 1213
• fs/ext4/inline.c, 17 times
• fs/ext4/inode.c, 4 times
• fs/ext4/ioctl.c, line 773
• fs/ext4/migrate.c, line 498
• fs/ext4/super.c, line 3786
• fs/ext4/xattr.c, 3 times
• fs/f2fs/checkpoint.c, line 1239
• fs/f2fs/f2fs.h, line 2174
• fs/f2fs/gc.c, line 991
• fs/f2fs/node.c, 2 times
• fs/f2fs/segment.c, 3 times
• fs/f2fs/sysfs.c, line 671
• fs/fat/inode.c, line 327
• fs/fs-writeback.c, 3 times
• fs/fscache/cache.c, 3 times
• fs/fscache/volume.c, line 511
• fs/fuse/control.c, line 181
• fs/fuse/dax.c, 4 times
• fs/fuse/dev.c, 5 times
• fs/gfs2/bmap.c, line 928
• fs/gfs2/recovery.c, 2 times
• fs/gfs2/trans.c, 4 times
• fs/jffs2/wbuf.c, line 1013
• fs/jffs2/xattr.c, 4 times
• fs/jfs/jfs_incore.h, line 110
• fs/jfs/xattr.c, 2 times
• fs/kernfs/dir.c, 10 times
• fs/kernfs/inode.c, 2 times
• fs/kernfs/mount.c, line 262
• fs/kernfs/symlink.c, line 121
• fs/lockd/clntproc.c, 4 times
• fs/namespace.c, 8 times
• fs/nfs/io.c, 4 times
• fs/nfs/nfs4proc.c, 4 times
• fs/nilfs2/bmap.c, 4 times
• fs/nilfs2/cpfile.c, 4 times
• fs/nilfs2/inode.c, 4 times
• fs/nilfs2/ioctl.c, 9 times
• fs/nilfs2/segment.c, 4 times
• fs/nilfs2/sufile.c, 3 times
• fs/nilfs2/super.c, 3 times
• fs/nilfs2/sysfs.c, 19 times
• fs/nilfs2/the_nilfs.c, line 115
• fs/nilfs2/the_nilfs.h, line 303
• fs/ntfs/aops.c, 10 times
• fs/ntfs/attrib.c, 2 times
• fs/ntfs/compress.c, 4 times
• fs/ntfs/file.c, 6 times
• fs/ntfs/mft.c, 2 times
• fs/ntfs/super.c, 4 times
• fs/ntfs3/attrib.c, line 905
• fs/ntfs3/bitmap.c, line 1481
• fs/ntfs3/frecord.c, 6 times
• fs/ntfs3/fsntfs.c, line 773
• fs/ntfs3/index.c, 5 times
• fs/ntfs3/record.c, 3 times
• fs/ntfs3/run.c, line 1087
• fs/ocfs2/acl.c, 3 times
• fs/ocfs2/aops.c, 5 times
• fs/ocfs2/cluster/heartbeat.c, line 1471
• fs/ocfs2/dlm/dlmdomain.c, line 2281
• fs/ocfs2/dlmglue.c, 2 times
• fs/ocfs2/extent_map.c, 3 times
• fs/ocfs2/file.c, line 2228
• fs/ocfs2/journal.c, 2 times
• fs/ocfs2/quota_global.c, 2 times
• fs/ocfs2/quota_local.c, line 677
• fs/ocfs2/refcounttree.c, line 522
• fs/ocfs2/xattr.c, 4 times
• fs/orangefs/file.c, line 336
• fs/orangefs/xattr.c, 2 times
• fs/overlayfs/super.c, 2 times
• fs/proc/base.c, 3 times
• fs/proc/kcore.c, line 585
• fs/proc/nommu.c, line 94
• fs/quota/dquot.c, 3 times
• fs/quota/quota.c, 2 times
• fs/quota/quota_v1.c, line 182
• fs/quota/quota_v2.c, 4 times
• fs/reiserfs/super.c, line 112
• fs/reiserfs/xattr.c, line 752
• fs/smb/client/connect.c, line 2151
• fs/smb/client/dfs_cache.c, 9 times
• fs/smb/client/file.c, 7 times
• fs/smb/server/connection.c, 5 times
• fs/smb/server/mgmt/share_config.c, line 217
• fs/smb/server/mgmt/user_session.c, line 278
• fs/smb/server/smb2pdu.c, 5 times
• fs/smb/server/transport_ipc.c, line 282
• fs/super.c, 7 times
• fs/sync.c, line 161
• fs/ubifs/auth.c, line 354
• fs/ubifs/budget.c, 2 times
• fs/ubifs/journal.c, 4 times
• fs/ubifs/xattr.c, 3 times
• fs/udf/inode.c, line 2366
• fs/udf/symlink.c, 2 times
• fs/xfs/mrlock.h, line 67
• fs/xfs/xfs_inode.c, 4 times
• fs/xfs/xfs_log.c, line 3906
• fs/xfs/xfs_log_cil.c, 2 times
• fs/xfs/xfs_super.c, line 601
• include/linux/fs.h, 3 times
• include/linux/mmap_lock.h, line 144
• include/linux/regset.h, 4 times
• include/linux/rmap.h, line 141
• include/linux/rwsem.h, line 250
• include/linux/tpm_eventlog.h, 4 times
• include/linux/uidgid.h, 4 times
• include/uapi/linux/ioam6.h, 4 times
• include/uapi/linux/uleds.h, 4 times
• ipc/msg.c, line 502
• ipc/sem.c, line 1337
• ipc/shm.c, 2 times
• ipc/util.c, line 877
• kernel/bpf/offload.c, 17 times
• kernel/events/core.c, 2 times
• kernel/events/uprobes.c, 3 times
• kernel/fork.c, line 1411
• kernel/kcmp.c, 3 times
• kernel/locking/locktorture.c, line 597
• kernel/locking/rwsem.c, line 1618
• kernel/notifier.c, 2 times
• kernel/pid.c, line 682
• kernel/rcu/refscale.c, 2 times
• kernel/sched/autogroup.c, line 278
• kernel/sys.c, 4 times
• kernel/taskstats.c, line 138
• kernel/time/posix-clock.c, 3 times
• kernel/trace/trace.c, line 876
• kernel/trace/trace_dynevent.c, line 37
• kernel/trace/trace_output.c, line 733
• kernel/umh.c, 3 times
• kernel/utsname.c, line 72
• kernel/utsname_sysctl.c, line 51
• lib/digsig.c, line 179
• lib/locking-selftest.c, line 255
• lib/test_lockup.c, line 288
• lib/test_vmalloc.c, line 448
• mm/hugetlb.c, line 283
• mm/rmap.c, line 559
• mm/shrinker_debug.c, 2 times
• mm/util.c, line 1169
• mm/vmscan.c, 3 times
• net/bluetooth/bnep/core.c, 3 times
• net/bluetooth/cmtp/core.c, 3 times
• net/bluetooth/hidp/core.c, 2 times
• net/ceph/debugfs.c, 2 times
• net/ceph/osd_client.c, 16 times
• net/core/dev.c, 2 times
• net/core/neighbour.c, 2 times
• net/core/net_namespace.c, 2 times
• net/dccp/proto.c, 4 times
• net/dns_resolver/dns_query.c, line 164
• net/mptcp/subflow.c, 4 times
• net/netfilter/nf_conntrack_core.c, line 2489
• net/netfilter/nf_flow_table_offload.c, line 863
• net/netlink/genetlink.c, 3 times
• net/nfc/nci/uart.c, line 418
• net/openvswitch/datapath.c, line 2657
• net/rds/ib_rdma.c, line 540
• net/rds/transport.c, 4 times
• net/rxrpc/output.c, line 454
• net/sched/act_api.c, line 1875
• net/sched/cls_api.c, 8 times
• net/tls/tls_device.c, 7 times
• net/wireless/wext-core.c, line 356
• security/integrity/evm/evm_crypto.c, line 425
• security/keys/dh.c, line 52
• security/keys/encrypted-keys/encrypted.c, 4 times
• security/keys/key.c, 3 times
• security/keys/keyctl.c, line 811
• security/keys/persistent.c, line 93
• security/keys/process_keys.c, line 738
• security/keys/request_key.c, line 294
• security/keys/request_key_auth.c, 2 times
• security/selinux/include/xfrm.h, line 55
• sound/core/control.c, 16 times
• sound/core/control_compat.c, 5 times
• sound/core/control_led.c, line 638
• sound/core/oss/mixer_oss.c, 18 times
• sound/core/pcm_native.c, line 1403
• sound/core/seq/seq_clientmgr.c, 4 times
• sound/core/seq/seq_ports.c, line 650
• sound/core/seq/seq_virmidi.c, line 94
• sound/pci/emu10k1/emufx.c, 2 times
• sound/soc/intel/atom/sst-atom-controls.c, 2 times
• sound/usb/midi.c, 2 times
• tools/perf/util/cgroup.c, line 572
• tools/perf/util/env.c, 2 times
• tools/perf/util/header.c, 2 times
• tools/perf/util/machine.c, 3 times
• tools/perf/util/map.c, line 200
• tools/perf/util/maps.c, 4 times
• tools/perf/util/symbol.c, line 2052
• tools/perf/util/thread.c, 3 times