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/openbmc/linux/Documentation/translations/zh_CN/core-api/
H A Dxarray.rst162 内部使用xa_lock:
186 假设进入时持有xa_lock:
195 如果你想利用锁来保护你存储在XArray中的数据结构，你可以在调用xa_load()之前调用xa_lock()，然后在
225 xa_lock(&foo->array);
234 上面的例子还显示了一个常见的模式，即希望在存储端扩展xa_lock的覆盖范围，以保护与数组相关的一些统计
238 在进程上下文中使用xa_lock_irq()，在中断处理程序中使用xa_lock()。一些更常见的模式有一些辅助函数，
242 意味着你有权使用像__xa_erase()这样的函数而不占用xa_lock；xa_lock是用来进行lockdep验证的，将来也
252 你需要在修改数组的时候使用xa_lock。在对数组进行只读操作时，你可以选择使用xa_lock或RCU锁。你可以在
267 存在xa_state中供下一次尝试。这个想法是，你拿着xa_lock，尝试操作，然后放弃锁。该操作试图在持有锁的情
295 - 这个条目目前正在被一个拥有xa_lock的线程修改。在这个RCU周期结束时，包含该条目的节点可能会被释放。
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/openbmc/linux/include/linux/
H A Dxarray.h297 spinlock_t xa_lock; member
304 .xa_lock = __SPIN_LOCK_UNLOCKED(name.xa_lock), \
380 spin_lock_init(&xa->xa_lock); in xa_init_flags()
532 #define xa_lock(xa) spin_lock(&(xa)->xa_lock) macro
694 xa_lock(xa); in xa_cmpxchg()
780 xa_lock(xa); in xa_insert()
873 xa_lock(xa); in xa_alloc()
976 xa_lock(xa); in xa_alloc_cyclic()
1201 lockdep_is_held(&xa->xa_lock)); in xa_head()
1208 lockdep_is_held(&xa->xa_lock)); in xa_head_locked()
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H A Didr.h101 #define idr_lock(idr) xa_lock(&(idr)->idr_rt)
H A Dbacking-dev.h254 !lockdep_is_held(&inode->i_mapping->i_pages.xa_lock) && in inode_to_wb()
/openbmc/linux/tools/testing/radix-tree/
H A Dregression1.c128 xa_lock(&mt_tree); in regression1_fn()
133 xa_lock(&mt_tree); in regression1_fn()
137 xa_lock(&mt_tree); in regression1_fn()
145 xa_lock(&mt_tree); in regression1_fn()
/openbmc/linux/drivers/infiniband/core/
H A Dib_core_uverbs.c125 xa_lock(&ucontext->mmap_xa); in rdma_user_mmap_entry_get_pgoff()
190 xa_lock(&ucontext->mmap_xa); in rdma_user_mmap_entry_free()
235 xa_lock(&entry->ucontext->mmap_xa); in rdma_user_mmap_entry_remove()
287 xa_lock(&ucontext->mmap_xa); in rdma_user_mmap_entry_insert_range()
H A Drestrack.c70 xa_lock(&rt->xa); in rdma_restrack_count()
241 xa_lock(&rt->xa); in rdma_restrack_get_byid()
H A Dcounters.c290 xa_lock(&rt->xa); in rdma_get_counter_auto_mode()
402 xa_lock(&rt->xa); in get_running_counters_hwstat_sum()
417 xa_lock(&rt->xa); in get_running_counters_hwstat_sum()
H A Ducma.c144 xa_lock(&ctx_table); in ucma_get_ctx()
361 xa_lock(&ctx_table); in ucma_event_handler()
492 xa_lock(&multicast_table); in ucma_cleanup_multicast()
605 xa_lock(&ctx_table); in ucma_destroy_id()
1475 xa_lock(&multicast_table); in ucma_process_join()
1510 xa_lock(&multicast_table); in ucma_process_join()
1574 xa_lock(&multicast_table); in ucma_leave_multicast()
1649 xa_lock(&ctx_table); in ucma_migrate_id()
/openbmc/linux/fs/erofs/
H A Dutils.c82 xa_lock(&sbi->managed_pslots); in erofs_insert_workgroup()
158 xa_lock(&sbi->managed_pslots); in erofs_shrink_workstation()
168 xa_lock(&sbi->managed_pslots); in erofs_shrink_workstation()
/openbmc/linux/drivers/iommu/iommufd/
H A Dvfio_compat.c19 xa_lock(&ictx->objects); in get_compat_ioas()
59 xa_lock(&ictx->objects); in iommufd_vfio_compat_set_no_iommu()
89 xa_lock(&ictx->objects); in iommufd_vfio_compat_ioas_create()
143 xa_lock(&ucmd->ictx->objects); in iommufd_vfio_ioas()
150 xa_lock(&ucmd->ictx->objects); in iommufd_vfio_ioas()
H A Ddevice.c75 xa_lock(&ictx->groups); in iommufd_get_group()
108 xa_lock(&ictx->groups); in iommufd_get_group()
254 xa_lock(&ictx->objects); in iommufd_ctx_has_group()
886 xa_lock(&ioas->iopt.access_list); in iommufd_access_notify_unmap()
895 xa_lock(&ioas->iopt.access_list); in iommufd_access_notify_unmap()
H A Dmain.c123 xa_lock(&ictx->objects); in iommufd_get_object()
142 xa_lock(&ictx->objects); in iommufd_object_remove()
H A Dioas.c346 xa_lock(&ictx->objects); in iommufd_option_rlimit_mode()
/openbmc/linux/Documentation/core-api/
H A Dxarray.rst203 Takes xa_lock internally:
227 Assumes xa_lock held on entry:
237 that you are storing in the XArray, you can call xa_lock()
272 xa_lock(&foo->array);
283 coverage of the xa_lock on the store side to protect some statistics
288 context, or xa_lock_irq() in process context and xa_lock()
297 the xa_lock; the xa_lock is used for lockdep validation and will be used
311 to use the xa_lock while modifying the array. You can choose whether
312 to use the xa_lock or the RCU lock while doing read-only operations on
340 the xa_lock, attempt the operation and drop the lock. The operation
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/openbmc/linux/fs/cachefiles/
H A Dondemand.c35 xa_lock(&cache->reqs); in cachefiles_ondemand_fd_release()
113 xa_lock(&cache->reqs); in cachefiles_ondemand_fd_ioctl()
174 xa_lock(&cache->reqs); in cachefiles_ondemand_copen()
407 xa_lock(&cache->reqs); in cachefiles_ondemand_daemon_read()
700 xa_lock(&cache->reqs); in cachefiles_ondemand_clean_object()
/openbmc/linux/arch/arm64/mm/
H A Dmteswap.c79 xa_lock(&mte_pages); in mte_invalidate_tags_area()
/openbmc/linux/arch/arm64/kernel/
H A Dhibernate.c246 xa_lock(&mte_pages); in swsusp_mte_free_storage()
297 xa_lock(&mte_pages); in swsusp_mte_restore_tags()
/openbmc/linux/drivers/infiniband/hw/mlx4/
H A Dcm.c366 xa_lock(&sriov->xa_rej_tmout); in alloc_rej_tmout()
411 xa_lock(&sriov->xa_rej_tmout); in lookup_rej_tmout_slave()
501 xa_lock(&sriov->xa_rej_tmout); in rej_tmout_xa_cleanup()
/openbmc/linux/lib/
H A Dxarray.c326 __must_hold(xas->xa->xa_lock) in __xas_nomem()
1515 xa_lock(xa); in xa_erase()
1579 xa_lock(xa); in xa_store()
1989 xa_lock(xa); in xa_set_mark()
2007 xa_lock(xa); in xa_clear_mark()
/openbmc/linux/net/devlink/
H A Dregion.c285 xa_lock(&devlink->snapshot_ids); in __devlink_snapshot_id_increment()
327 xa_lock(&devlink->snapshot_ids); in __devlink_snapshot_id_decrement()
369 xa_lock(&devlink->snapshot_ids); in __devlink_snapshot_id_insert()
/openbmc/linux/drivers/vfio/
H A Dvfio_main.c72 xa_lock(&vfio_device_set_xa); in vfio_assign_device_set()
85 xa_lock(&vfio_device_set_xa); in vfio_assign_device_set()
121 xa_lock(&vfio_device_set_xa); in vfio_release_device_set()
/openbmc/linux/drivers/infiniband/hw/mlx5/
H A Dodp.c454 xa_lock(&imr->implicit_children); in implicit_get_child_mr()
626 xa_lock(&imr->implicit_children); in pagefault_implicit_mr()
836 xa_lock(&dev->odp_mkeys); in pagefault_single_data_segment()
1676 xa_lock(&dev->odp_mkeys); in get_prefetchable_mr()
/openbmc/linux/drivers/block/
H A Dbrd.c82 xa_lock(&brd->brd_pages); in brd_insert_page()
/openbmc/linux/mm/
H A Dworkingset.c614 lockdep_assert_held(&mapping->i_pages.xa_lock); in workingset_update_node()

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