Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\boot\cpucheck.c Create Date:2022-07-28 07:26:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Returns a bitmask of which words we have error bits in

Proto:static int check_cpuflags(void)

Type:int

Parameter:Nothing

92  err = 0
93  When i < N 32-bit words worth of info cycle
94  err_flags[i] = req_flags[i] & ~flags[i]
95  If err_flags[i] Then err |= 1 << i
99  Return err
Caller
NameDescribe
check_cpuReturns -1 on error.* *cpu_level is set to the current CPU level; *req_level to the required* level. x86-64 is considered level 64 for this purpose.* *err_flags_ptr is set to the flags error array if there are flags missing.