函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\io_apic.c Create Date:2022-07-27 09:29:41
Last Modify:2020-03-16 21:24:45 Copyright©Brick
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函数名称：delay_without_tsc

函数原型：static void __init delay_without_tsc(void)

返回类型：void

参数：无

1608  end等于jiffies加4
1609  band等于1
1618  循环
1619  __delay(((1U << band++) * 10000000UL) / HZ)
1620  当band小于12且time_before_eq(jiffies, end)循环
调用者
名称描述
timer_irq_worksThere is a nasty bug in some older SMP boards, their mptable lies* about the timer IRQ