From mboxrd@z Thu Jan  1 00:00:00 1970
From: ebiederm@xmission.com (Eric W. Biederman)
Subject: Re: [PATCH v4] enable x2APIC without interrupt remapping under KVM
Date: Tue, 30 Jun 2009 10:15:48 -0700
Message-ID: <m1my7p7id7.fsf@fess.ebiederm.org>
References: <20090630064515.GG20289@redhat.com>
	<86802c440906300018p8c5156dy3e8d84b8c263797e@mail.gmail.com>
	<20090630155820.GC8122@redhat.com>
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Cc: Yinghai Lu <yhlu.kernel@gmail.com>, linux-kernel@vger.kernel.org,
	Suresh Siddha <suresh.b.siddha@intel.com>,
	Sheng Yang <sheng@linux.intel.com>,
	"kvm\@vger.kernel.org" <kvm@vger.kernel.org>,
	"avi\@redhat.com" <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Return-path: <linux-kernel-owner+glk-linux-kernel-3=40m.gmane.org-S1754540AbZF3RQA@vger.kernel.org>
In-Reply-To: <20090630155820.GC8122@redhat.com> (Gleb Natapov's message of "Tue\, 30 Jun 2009 18\:58\:20 +0300")
Sender: linux-kernel-owner@vger.kernel.org
List-Id: kvm.vger.kernel.org

Gleb Natapov <gleb@redhat.com> writes:

> On Tue, Jun 30, 2009 at 12:18:19AM -0700, Yinghai Lu wrote:
>> how about kexec second kernel in KVM ?
>> 
>> x2apic_preenabled will be set in second kernel.
>> 
> By the way anybody knows why kexec does not use BIOS reset code
> (cmos 0xf offset) to jump into new kernel after hard reset?

What I said before plus the fact that kexec grew up on systems
that don't have a BIOS.  So the option of using that piece of
was not there.

Eric