函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\tlbflush.h Create Date:2022-07-27 06:54:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Given an ASID, flush the corresponding user ASID. We can delay this* until the next time we switch to it.* See SWITCH_TO_USER_CR3.

函数原型：static inline void invalidate_user_asid(u16 asid)

返回类型：void

参数：

类型参数名称
u16asid
382  如果非IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_PAGE_TABLE_ISOLATION)则返回
389  如果非This macro is for detection of features which need kernel* infrastructure to be used(Process Context Identifiers )则返回
392  如果非static_cpu_has(Kernel Page Table Isolation enabled )则返回
395  __set_bit - Set a bit in memory*@nr: the bit to set*@addr: the address to start counting from* Unlike set_bit(), this function is non-atomic. If it is called on the same* region of memory concurrently, the effect may be that only one operation* succeeds.
调用者
名称描述
__native_flush_tlblush the entire current user mapping
__native_flush_tlb_one_userlush one page in the user mapping