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 11:34:59
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：check_for_illegal_area

函数原型：static void check_for_illegal_area(struct device *dev, void *addr, unsigned long len)

返回类型：void

参数：

类型参数名称
struct device *dev
void *addr
unsigned longlen
1128  如果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 )或overlap(addr, len, __start_rodata, __end_rodata)则
调用者
名称描述
debug_dma_map_page
debug_dma_map_sg