函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\common.c Create Date:2022-07-27 08:55:39
Last Modify:2020-03-16 20:28:31 Copyright©Brick
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函数名称:detect_null_seg_behavior

函数原型:static void detect_null_seg_behavior(struct cpuinfo_x86 *c)

返回类型:void

参数:

类型参数名称
struct cpuinfo_x86 *c
1319  rdmsrl(64bit FS base , old_base)
1320  wrmsrl(64bit FS base , 1)
1321  loadsegment(取寄存器值(fs), 0)
1322  rdmsrl(64bit FS base , tmp)
1323  如果tmp不等于0则set_cpu_bug(c, Nulling a selector preserves the base )
1325  wrmsrl(64bit FS base , old_base)
调用者
名称描述
generic_identify