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RE: 256 apic id for amd64
- From: YhLu <YhLu@xxxxxxxx>
- Date: Fri, 7 Jan 2005 11:43:52 -0800
Amd 8111 and 8131 only have 4 bit for apcid. So it only can use 0-15.
YH
-----Original Message-----
From: Andi Kleen [mailto:ak@xxxxxx]
Sent: Friday, January 07, 2005 11:29 AM
To: YhLu
Cc: Matt Domsch; linux-kernel@xxxxxxxxxxxxxxx; discuss@xxxxxxxxxx;
jamesclv@xxxxxxxxxx; suresh.b.siddha@xxxxxxxxx
Subject: Re: 256 apic id for amd64
> Without subtract boot_cpu_id, phys_pkg_id will return 8.
> With that, It will return 0.
Normally this is set up that the CPUs come first and then the IO-APICs.
Why is this not possible with 8111 and 8131?
-Andi
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