RE: [patch 2/2] add x86-64 support for memory hot-add

From: Lu, Yinghai
Date: Mon Jan 09 2006 - 14:29:02 EST


Do you mean use acpi run-time asl code to update these reg?

YH

-----Original Message-----
From: keith [mailto:kmannth@xxxxxxxxxx]
Sent: Monday, January 09, 2006 11:25 AM
To: Lu, Yinghai
Cc: Andi Kleen; Matt Tolentino; akpm@xxxxxxxx; discuss@xxxxxxxxxx;
linux-kernel@xxxxxxxxxxxxxxx
Subject: Re: [patch 2/2] add x86-64 support for memory hot-add

On Mon, 2006-01-09 at 10:51 -0800, Yinghai Lu wrote:
> for Opteron NUMA, need to update
> 0. stop the DCT on the node that will plug the new DIMM
> 1. read spd_rom for the added dimm
> 2. init the ram size and update the memory routing table...
> 3. init the timing...
> 4. update relate info in TOM and TOM2, and MTRR, and e820
>
> It looks like we need to get some code about ram init from
LinuxBIOS.....

Is the AMD box not going to use the ACPI add-memory mechanism?


--
keith <kmannth@xxxxxxxxxx>



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