Function report |
Source Code:kernel\dma\debug.c |
Create Date:2022-07-28 10:34:41 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:active_cacheline_insert
Proto:static int active_cacheline_insert(struct dma_debug_entry *entry)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct dma_debug_entry * | entry |
512 | cln = to_cacheline_number(entry) |
520 | If direction == DMA_TO_DEVICE Then Return 0 |
523 | spin_lock_irqsave( & radix_lock, flags) |
524 | rc = __radix_tree_insert - insert into a radix tree*@root: radix tree root*@index: index key*@item: item to insert* Insert an item into the radix tree at position @index. |
525 | If rc == -EEXIST Then active_cacheline_inc_overlap(cln) |
527 | spin_unlock_irqrestore( & radix_lock, flags) |
529 | Return rc |
Name | Describe |
---|---|
add_dma_entry | Wrapper function for adding an entry to the hash.* This function takes care of locking itself. |
Source code conversion tool public plug-in interface | X |
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