linux-kernel - Re: [PATCH v5 0/5] Add movablecore

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Message-ID: <F1CBDF84-6A96-4D07-843F-3353E9029EE6@intel.com>
Date:	Tue, 15 Jan 2013 04:04:01 +0000
From:	"Luck, Tony" <tony.luck@...el.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tang Chen <tangchen@...fujitsu.com>,
	"jiang.liu@...wei.com" <jiang.liu@...wei.com>,
	"wujianguo@...wei.com" <wujianguo@...wei.com>,
	"wency@...fujitsu.com" <wency@...fujitsu.com>,
	"laijs@...fujitsu.com" <laijs@...fujitsu.com>,
	"linfeng@...fujitsu.com" <linfeng@...fujitsu.com>,
	"yinghai@...nel.org" <yinghai@...nel.org>,
	"rob@...dley.net" <rob@...dley.net>,
	"kosaki.motohiro@...fujitsu.com" <kosaki.motohiro@...fujitsu.com>,
	"minchan.kim@...il.com" <minchan.kim@...il.com>,
	"mgorman@...e.de" <mgorman@...e.de>,
	"rientjes@...gle.com" <rientjes@...gle.com>,
	"guz.fnst@...fujitsu.com" <guz.fnst@...fujitsu.com>,
	"rusty@...tcorp.com.au" <rusty@...tcorp.com.au>,
	"lliubbo@...il.com" <lliubbo@...il.com>,
	"jaegeuk.hanse@...il.com" <jaegeuk.hanse@...il.com>,
	"glommer@...allels.com" <glommer@...allels.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH v5 0/5] Add movablecore_map boot option


>> 
>> I don't think so because user can easily get raw address by kernel
>> message in x86.
>> 

Which will fail if on some subsequent boot a DIMM fails BIST and is removed from the memory map by the BIOS which will then change all the mode boundaries for those above the failed DIMM.

-Tony--
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