Function report |
Source Code:kernel\dma\swiotlb.c |
Create Date:2022-07-28 10:35:54 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Early SWIOTLB allocation may be too early to allow an architecture to* perform the desired operations. This function allows the architecture to* call SWIOTLB when the operations are possible. It needs to be called* before the SWIOTLB memory is used.
Proto:void __init swiotlb_update_mem_attributes(void)
Type:void
Parameter:Nothing
191 | If no_iotlb_memory || late_alloc Then Return |
196 | set_memory_decrypted((unsignedlong)vaddr, bytes >> PAGE_SHIFT determines the page size ) |
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