Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\intel.c Create Date:2022-07-28 07:57:15
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:check_mpx_erratum

Proto:void check_mpx_erratum(struct cpuinfo_x86 *c)

Type:void

Parameter:

TypeParameterName
struct cpuinfo_x86 *c
50  If Just in case our CPU detection goes bad, or you have a weird system,* allow a way to override the automatic disabling of MPX. Then Return
63  If cpu_has(c, Memory Protection Extension ) && Not cpu_has(c, Supervisor Mode Execution Protection ) Then
64  setup_clear_cpu_cap(Memory Protection Extension )
65  pr_warn("x86/mpx: Disabling MPX since SMEP not present\n")
Caller
NameDescribe
early_init_intel