Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\io_apic.c Create Date:2022-07-28 08:30:11
Last Modify:2020-03-16 21:24:45 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:delay_without_tsc

Proto:static void __init delay_without_tsc(void)

Type:void

Parameter:Nothing

1608  end = jiffies + 4
1609  band = 1
1618  Do
1619  __delay(((1U << band++) * 10000000UL) / HZ)
1620  When band < 12 && time_before_eq(jiffies, end) cycle
Caller
NameDescribe
timer_irq_worksThere is a nasty bug in some older SMP boards, their mptable lies* about the timer IRQ