Date: Fri, 18 Jan 2008 14:12:09 +0100
From: Andi Kleen <andi@firstfloor.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
       "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
       Andi Kleen <andi@firstfloor.org>, ebiederm@xmission.com,
       rdreier@cisco.com, torvalds@linux-foundation.org, gregkh@suse.de,
       airlied@skynet.ie, davej@redhat.com, tglx@linutronix.de,
       linux-kernel@vger.kernel.org, Arjan van de Ven <arjan@infradead.org>,
       jesse.barnes@intel.com
Subject: Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 identity map and kernel text
Message-ID: <20080118131209.GA16459@one.firstfloor.org>
References: <p737iiho5yq.fsf@bingen.suse.de> <924EFEDD5F540B4284297C4DC59F3DEE5A2805@orsmsx423.amr.corp.intel.com> <20080110192808.GF747@one.firstfloor.org> <924EFEDD5F540B4284297C4DC59F3DEE5A28CE@orsmsx423.amr.corp.intel.com> <20080114164324.GH15542@elte.hu> <20080114212105.GB8903@linux-os.sc.intel.com> <20080115221758.GG2665@elte.hu> <20080115232115.GD8903@linux-os.sc.intel.com> <20080118120112.GB8583@elte.hu>
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> (AMD machines apparently don't need it 

That's not true -- we had AMD systems in the past with broken MTRRs for
large memory configurations too,  Mostly it was pre revE though.

-Andi
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