Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\lib\msr.c Create Date:2022-07-28 07:26:09
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Clear @bit in a MSR @msr.* Retval:* < 0: An error was encountered.* = 0: Bit was already cleared.* > 0: Hardware accepted the MSR write.

Proto:int msr_clear_bit(unsigned int msr, u8 bit)

Type:int

Parameter:

TypeParameterName
unsigned intmsr
u8bit
113  Return __flip_bit(msr, bit, false)
Caller
NameDescribe
init_amd_k7
init_amd_gh
clear_rdrand_cpuid_bit
disable_err_thresholdingTurn off thresholding banks for the following conditions:* - MC4_MISC thresholding is not supported on Family 0x15.* - Prevent possible spurious interrupts from the IF bank on Family 0x17* Models 0x10-0x2F due to Erratum #1114.