函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\alternative.c Create Date:2022-07-27 08:44:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Are we looking at a near JMP with a 1 or 4-byte displacement.

函数原型：static inline bool is_jmp(const u8 opcode)

返回类型：bool

参数：

类型参数名称
const u8opcode
278  返回:opcode恒等于0xeb或opcode恒等于0xe9
调用者
名称描述
apply_alternativesReplace instructions with better alternatives for this CPU type. This runs* before SMP is initialized to avoid SMP problems with self modifying code.* This implies that asymmetric systems where APs have less capabilities than