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Searched refs:rwsem (Results 1 – 25 of 37) sorted by relevance

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/linux/drivers/virt/coco/guest/
H A Dtsm-mr.c38 struct rw_semaphore rwsem; member
54 rc = down_read_interruptible(&ctx->rwsem); in tm_digest_read()
69 up_read(&ctx->rwsem); in tm_digest_read()
71 rc = down_write_killable(&ctx->rwsem); in tm_digest_read()
81 downgrade_write(&ctx->rwsem); in tm_digest_read()
87 up_read(&ctx->rwsem); in tm_digest_read()
106 rc = down_write_killable(&ctx->rwsem); in tm_digest_write()
118 up_write(&ctx->rwsem); in tm_digest_write()
229 init_rwsem(&ctx->rwsem); in tsm_mr_create_attribute_group()
/linux/drivers/gnss/
H A Dcore.c48 down_write(&gdev->rwsem); in gnss_open()
60 up_write(&gdev->rwsem); in gnss_open()
72 down_write(&gdev->rwsem); in gnss_release()
81 up_write(&gdev->rwsem); in gnss_release()
162 down_read(&gdev->rwsem); in gnss_write()
167 up_read(&gdev->rwsem); in gnss_write()
251 init_rwsem(&gdev->rwsem); in gnss_allocate_device()
302 down_write(&gdev->rwsem); in gnss_deregister_device()
308 up_write(&gdev->rwsem); in gnss_deregister_device()
/linux/kernel/time/
H A Dposix-clock.c25 down_read(&clk->rwsem); in get_posix_clock()
30 up_read(&clk->rwsem); in get_posix_clock()
37 up_read(&clk->rwsem); in put_posix_clock()
100 down_read(&clk->rwsem); in posix_clock_open()
125 up_read(&clk->rwsem); in posix_clock_open()
164 init_rwsem(&clk->rwsem); in posix_clock_register()
184 down_write(&clk->rwsem); in posix_clock_unregister()
186 up_write(&clk->rwsem); in posix_clock_unregister()
/linux/kernel/
H A Dnotifier.c263 down_write(&nh->rwsem); in __blocking_notifier_chain_register()
265 up_write(&nh->rwsem); in __blocking_notifier_chain_register()
326 down_write(&nh->rwsem); in blocking_notifier_chain_unregister()
328 up_write(&nh->rwsem); in blocking_notifier_chain_unregister()
344 down_read(&nh->rwsem); in blocking_notifier_call_chain_robust()
346 up_read(&nh->rwsem); in blocking_notifier_call_chain_robust()
379 down_read(&nh->rwsem); in blocking_notifier_call_chain()
381 up_read(&nh->rwsem); in blocking_notifier_call_chain()
/linux/kernel/liveupdate/
H A Dluo_session.c118 struct rw_semaphore rwsem; member
137 .rwsem = __RWSEM_INITIALIZER(luo_session_global.incoming.rwsem),
143 .rwsem = __RWSEM_INITIALIZER(luo_session_global.outgoing.rwsem),
177 guard(rwsem_write)(&sh->rwsem); in luo_session_insert()
208 guard(rwsem_write)(&sh->rwsem); in luo_session_remove()
510 guard(rwsem_read)(&sh->rwsem); in luo_session_retrieve()
645 down_write(&sh->rwsem); in luo_session_serialize()
670 up_write(&sh->rwsem); in luo_session_serialize()
681 up_write(&sh->rwsem); in luo_session_serialize()
/linux/include/linux/
H A Dnotifier.h66 struct rw_semaphore rwsem; member
86 init_rwsem(&(name)->rwsem); \
102 .rwsem = __RWSEM_INITIALIZER((name).rwsem), \
H A Dgnss.h45 struct rw_semaphore rwsem; member
H A Dposix-clock.h90 struct rw_semaphore rwsem; member
H A Dipc_namespace.h21 struct rw_semaphore rwsem; member
/linux/tools/perf/Documentation/
H A Dperf-lock.txt190 semaphore, spinlock, rwlock, rwlock:R, rwlock:W, rwsem, rwsem:R, rwsem:W,
195 suffix are shortcuts for the both variants. Ex) rwsem = rwsem:R + rwsem:W.
/linux/ipc/
H A Dutil.c119 init_rwsem(&ids->rwsem); in ipc_init_ids()
344 down_write(&ids->rwsem); in ipcget_new()
346 up_write(&ids->rwsem); in ipcget_new()
408 down_write(&ids->rwsem); in ipcget_public()
434 up_write(&ids->rwsem); in ipcget_public()
847 down_read(&ids->rwsem); in sysvipc_proc_start()
874 up_read(&ids->rwsem); in sysvipc_proc_stop()
H A Dnamespace.c134 down_write(&ids->rwsem); in free_ipcs()
147 up_write(&ids->rwsem); in free_ipcs()
H A Dmsg.c408 down_write(&msg_ids(ns).rwsem); in msgctl_down()
473 up_write(&msg_ids(ns).rwsem); in msgctl_down()
498 down_read(&msg_ids(ns).rwsem); in msgctl_info()
502 up_read(&msg_ids(ns).rwsem); in msgctl_info()
/linux/drivers/cxl/core/
H A Dregion.c363 ACQUIRE(rwsem_write_kill, rwsem)(&cxl_rwsem.region); in queue_reset()
364 if ((rc = ACQUIRE_ERR(rwsem_write_kill, &rwsem))) in queue_reset()
381 ACQUIRE(rwsem_write_kill, rwsem)(&cxl_rwsem.region); in __commit()
382 if ((rc = ACQUIRE_ERR(rwsem_write_kill, &rwsem))) in __commit()
467 ACQUIRE(rwsem_read_intr, rwsem)(&cxl_rwsem.region); in commit_show()
468 if ((rc = ACQUIRE_ERR(rwsem_read_intr, &rwsem))) in commit_show()
481 ACQUIRE(rwsem_read_intr, rwsem)(&cxl_rwsem.region); in interleave_ways_show()
482 if ((rc = ACQUIRE_ERR(rwsem_read_intr, &rwsem))) in interleave_ways_show()
537 ACQUIRE(rwsem_write_kill, rwsem)(&cxl_rwsem.region); in interleave_ways_store()
538 if ((rc = ACQUIRE_ERR(rwsem_write_kill, &rwsem))) in interleave_ways_store()
[all …]
H A Dedac.c118 ACQUIRE(rwsem_read_intr, rwsem)(&cxl_rwsem.region); in cxl_scrub_get_attrbs()
119 if ((ret = ACQUIRE_ERR(rwsem_read_intr, &rwsem))) in cxl_scrub_get_attrbs()
160 ACQUIRE(rwsem_read_intr, rwsem)(&cxl_rwsem.region); in cxl_scrub_set_attrbs_region()
161 if ((ret = ACQUIRE_ERR(rwsem_read_intr, &rwsem))) in cxl_scrub_set_attrbs_region()
/linux/fs/erofs/
H A Ddata.c207 down_read(&devs->rwsem); in erofs_map_dev()
210 up_read(&devs->rwsem); in erofs_map_dev()
215 up_read(&devs->rwsem); in erofs_map_dev()
219 up_read(&devs->rwsem); in erofs_map_dev()
221 down_read(&devs->rwsem); in erofs_map_dev()
234 up_read(&devs->rwsem); in erofs_map_dev()
H A Dsuper.c218 down_read(&sbi->devs->rwsem); in erofs_scan_devices()
245 up_read(&sbi->devs->rwsem); in erofs_scan_devices()
528 down_write(&sbi->devs->rwsem); in erofs_fc_parse_param()
530 up_write(&sbi->devs->rwsem); in erofs_fc_parse_param()
930 init_rwsem(&sbi->devs->rwsem); in erofs_init_fs_context()
H A Dinternal.h68 struct rw_semaphore rwsem; member
/linux/tools/perf/util/bpf_skel/
H A Dlock_contention.bpf.c371 struct rw_semaphore___old *rwsem = (void *)lock; in check_lock_type()
372 owner = (unsigned long)BPF_CORE_READ(rwsem, owner); in check_lock_type()
374 struct rw_semaphore___new *rwsem = (void *)lock; in check_lock_type()
375 owner = BPF_CORE_READ(rwsem, owner.counter); in check_lock_type()
379 struct rw_semaphore *rwsem = (void *)lock; in check_lock_type()
380 owner = BPF_CORE_READ(rwsem, owner.counter); in check_lock_type()
399 case LCB_F_READ: /* rwsem */ in check_lock_type()
343 struct rw_semaphore___old *rwsem = (void *)lock; get_lock_owner() local
346 struct rw_semaphore___new *rwsem = (void *)lock; get_lock_owner() local
/linux/sound/soc/sdca/
H A Dsdca_jack.c40 struct rw_semaphore *rwsem = &card->snd_card->controls_rwsem; in sdca_jack_process() local
48 guard(rwsem_write)(rwsem); in sdca_jack_process()
/linux/fs/btrfs/
H A Dzoned.c1337 down_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1341 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1351 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1376 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1387 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1399 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1427 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
2626 down_read(&dev_replace->rwsem); in do_zone_finish()
2632 up_read(&dev_replace->rwsem); in do_zone_finish()
2636 up_read(&dev_replace->rwsem); in do_zone_finish()
[all …]
H A Dscrub.c2847 down_write(&dev_replace->rwsem); in scrub_enumerate_chunks()
2851 up_write(&dev_replace->rwsem); in scrub_enumerate_chunks()
2860 down_write(&dev_replace->rwsem); in scrub_enumerate_chunks()
2863 up_write(&dev_replace->rwsem); in scrub_enumerate_chunks()
3102 down_read(&fs_info->dev_replace.rwsem); in btrfs_scrub_dev()
3106 up_read(&fs_info->dev_replace.rwsem); in btrfs_scrub_dev()
3112 up_read(&fs_info->dev_replace.rwsem); in btrfs_scrub_dev()
/linux/drivers/gpu/drm/vmwgfx/
H A Dvmwgfx_cmd.c121 init_rwsem(&fifo->rwsem); in vmw_fifo_create()
455 down_write(&fifo_state->rwsem); in vmw_local_fifo_commit()
467 up_write(&fifo_state->rwsem); in vmw_local_fifo_commit()
/linux/drivers/vdpa/vdpa_user/
H A Dvduse_dev.c135 struct rw_semaphore rwsem; member
508 scoped_guard(rwsem_write, &dev->rwsem) { in vduse_dev_reset()
570 guard(rwsem_read)(&vq->dev->rwsem); in vduse_vq_kick()
948 scoped_guard(rwsem_write, &dev->rwsem) in vduse_vdpa_suspend()
1247 guard(rwsem_read)(&dev->rwsem); in vduse_dev_irq_inject()
1262 guard(rwsem_read)(&vq->dev->rwsem); in vduse_vq_irq_inject()
1276 guard(rwsem_read)(&vq->dev->rwsem); in vduse_vq_signal_irqfd()
1299 guard(rwsem_read)(&dev->rwsem); in vduse_dev_queue_irq_work()
2106 init_rwsem(&dev->rwsem); in vduse_dev_create()
/linux/drivers/ptp/
H A Dptp_vclock.c161 lockdep_set_subclass(&ptp->clock.rwsem, PTP_LOCK_VIRTUAL); in ptp_vclock_set_subclass()

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