Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\debug.c Create Date:2022-07-28 10:35:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:check_for_illegal_area

Proto:static void check_for_illegal_area(struct device *dev, void *addr, unsigned long len)

Type:void

Parameter:

TypeParameterName
struct device *dev
void *addr
unsigned longlen
1128  If overlap(addr, len, Usage guidelines:* _text, _data: architecture specific, don't use them in arch-independent code* [_stext, _etext]: contains .text.* sections, may also contain .rodata.** and/or .init.* sections* [_sdata, _edata]: contains , Usage guidelines:* _text, _data: architecture specific, don't use them in arch-independent code* [_stext, _etext]: contains .text.* sections, may also contain .rodata.** and/or .init.* sections* [_sdata, _edata]: contains ) || overlap(addr, len, __start_rodata, __end_rodata) Then
Caller
NameDescribe
debug_dma_map_page
debug_dma_map_sg