RE: IO-APIC + timer doesn't work

From: Lu, Yinghai
Date: Thu Dec 21 2006 - 16:28:34 EST


-----Original Message-----
From: ebiederm@xxxxxxxxxxxx [mailto:ebiederm@xxxxxxxxxxxx]
Sent: Thursday, December 21, 2006 12:47 PM
To: Lu, Yinghai
>> +static int add_irq_entry(int type, int irqflag, int bus, int irq,
int apic, int
>> pin)

>This is fairly sane but probably belongs in mptable.c as a helper.

mparse.c?


>I am still trying to understand this enable_8259A_irq(0) case.
>As far as I can tell this is a very backwards way of enabling
>an ExtINT, as such it shouldn't be used until later.

>YH do you have any insight why on some Nvidia chipsets we apic 0 pin 2
doesn't
>work for the timer interrupt. I thought that was what we were using in
LinuxBIOS
>for the mptable.

CK804's has problem. But later one seems fixed that problem.

YH



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