[LinuxBIOS] Initiate LDTSTOP (without RESET)

Lu, Yinghai yinghai.lu at amd.com
Wed Jun 21 02:25:54 CEST 2006

Ok, let me find some time to check in the code this week




From: Jia Jianwei [mailto:JJia at Fortinet.com] 
Sent: Tuesday, June 20, 2006 5:07 PM
To: Lu, Yinghai
Cc: Dan Johnson; linuxbios at linuxbios.org
Subject: Re: [LinuxBIOS] Initiate LDTSTOP (without RESET)


Could you please give me some reference code on how to make fid change
effective on HT1000 southbridge?  Thanks!



	----- Original Message ----- 

	From: Lu, Yinghai <mailto:yinghai.lu at amd.com>  

	To: Dan Johnson <mailto:dan.johnson at celoxica.com>  ;
linuxbios at linuxbios.org 

	Sent: Monday, June 19, 2006 1:34 PM

	Subject: Re: [LinuxBIOS] Initiate LDTSTOP (without RESET)


	LDTSTOP may need to SB to help.


	When trying to change cpu fid, CPU need LDTSTOP to make the FID
change effective.  enable_fid_change_on_sb will enable ldtstop on sb.


	Current Amd8111 support code already have
enable_fid_change_on_sb in the public tree.


	Serverworks ht1000 need to call ldtstop explicitly to make fid
change effective. I will check in the code after the new cpu is


	The problem the ck804 has problem with ldtstop. We have to use
some other way to make it effective...






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