函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\debug.c Create Date:2022-07-27 11:34:15
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:dma_debug_disabled

函数原型:static inline bool dma_debug_disabled(void)

返回类型:bool

参数:

107  返回:Global disable flag - will be set in case of an error 或非Early initialization disable flag, set at the end of dma_debug_init
调用者
名称描述
debug_dma_assert_idledebug_dma_assert_idle() - assert that a page is not undergoing dma*@page: page to lookup in the dma_active_cacheline tree* Place a call to this routine in cases where the cpu touching the page* before the dma completes (page is dma_unmapped) will lead to
dma_debug_device_change
dma_debug_add_bus
debug_dma_map_single
debug_dma_map_page
debug_dma_mapping_error
debug_dma_unmap_page
debug_dma_map_sg
debug_dma_unmap_sg
debug_dma_alloc_coherent
debug_dma_free_coherent
debug_dma_map_resource
debug_dma_unmap_resource
debug_dma_sync_single_for_cpu
debug_dma_sync_single_for_device
debug_dma_sync_sg_for_cpu
debug_dma_sync_sg_for_device