函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\mce\core.c Create Date:2022-07-27 09:01:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:mce_wrmsrl

函数原型:static void mce_wrmsrl(unsigned int msr, u64 v)

返回类型:void

参数:

类型参数名称
unsigned intmsr
u64v
419  如果Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(finished)则
420  offset等于Support code for software error injection
422  如果offset大于等于0则*this_cpu_ptr( & injectm)加offset的和等于v
424  返回
426  wrmsrl(msr, v)
调用者
名称描述
machine_check_pollPoll for corrected events or events that happened before reset.* Those are just logged through /dev/mcelog.* This is executed in standard interrupt context.* Note: spec recommends to panic for fatal unsignalled* errors here
mce_clear_state
__mc_check_crashing_cpuCases where we avoid rendezvous handler timeout:* 1) If this CPU is offline
do_machine_checkThe actual machine check handler. This only handles real* exceptions when something got corrupted coming in through int 18.* This is executed in NMI context not subject to normal locking rules. This* implies that most kernel services cannot be safely used