函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\mce\intel.c Create Date:2022-07-27 09:02:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mce_intel_cmci_poll

函数原型：bool mce_intel_cmci_poll(void)

返回类型：bool

参数：无

131  如果Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(cmci_storm_state)恒等于CMCI_STORM_NONE则返回:false
138  如果Poll 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则抢占保护下的写CPU(CMCI storm detection backoff counter* During storm, we reset this counter to INITIAL_CHECK_INTERVAL in case we've* encountered an error. If not, we decrement it by one. We signal the end of* the CMCI storm when it reaches 0., 5 minutes )
140  否则this_cpu_dec(CMCI storm detection backoff counter* During storm, we reset this counter to INITIAL_CHECK_INTERVAL in case we've* encountered an error. If not, we decrement it by one. We signal the end of* the CMCI storm when it reaches 0.)
143  返回:true
调用者
名称描述
mce_timer_fn