Content-class: urn:content-classes:message
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Subject: RE: IO-APIC + timer doesn't work
Date: Thu, 21 Dec 2006 13:24:44 -0800
Message-ID: <5986589C150B2F49A46483AC44C7BCA490731A@ssvlexmb2.amd.com>
Thread-Topic: IO-APIC + timer doesn't work
Thread-Index: AcclQYMfFz5zux7sRZW3UVIhfs7r5gABGzWw
From: "Lu, Yinghai" <yinghai.lu@amd.com>
To: ebiederm@xmission.com
cc: "Tobias Diedrich" <ranma+kernel@tdiedrich.de>,
       "Linus Torvalds" <torvalds@osdl.org>,
       "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
       "Andi Kleen" <ak@suse.de>, "Andrew Morton" <akpm@osdl.org>
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-----Original Message-----
From: ebiederm@xmission.com [mailto:ebiederm@xmission.com] 
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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