From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755116AbZF3RP6 (ORCPT ); Tue, 30 Jun 2009 13:15:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753409AbZF3RPt (ORCPT ); Tue, 30 Jun 2009 13:15:49 -0400 Received: from out01.mta.xmission.com ([166.70.13.231]:36285 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752987AbZF3RPs (ORCPT ); Tue, 30 Jun 2009 13:15:48 -0400 To: Gleb Natapov Cc: Yinghai Lu , linux-kernel@vger.kernel.org, Suresh Siddha , Sheng Yang , "kvm\@vger.kernel.org" , "avi\@redhat.com" References: <20090630064515.GG20289@redhat.com> <86802c440906300018p8c5156dy3e8d84b8c263797e@mail.gmail.com> <20090630155820.GC8122@redhat.com> From: ebiederm@xmission.com (Eric W. Biederman) Date: Tue, 30 Jun 2009 10:15:48 -0700 In-Reply-To: <20090630155820.GC8122@redhat.com> (Gleb Natapov's message of "Tue\, 30 Jun 2009 18\:58\:20 +0300") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-XM-SPF: eid=;;;mid=;;;hst=in02.mta.xmission.com;;;ip=76.21.114.89;;;frm=ebiederm@xmission.com;;;spf=neutral X-SA-Exim-Connect-IP: 76.21.114.89 X-SA-Exim-Rcpt-To: gleb@redhat.com, avi@redhat.com, kvm@vger.kernel.org, sheng@linux.intel.com, suresh.b.siddha@intel.com, linux-kernel@vger.kernel.org, yhlu.kernel@gmail.com X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-DCC: XMission; sa02 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;Gleb Natapov X-Spam-Relay-Country: X-Spam-Report: * -1.8 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% * [score: 0.0000] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa02 1397; Body=1 Fuz1=1 Fuz2=1] * 0.0 XM_SPF_Neutral SPF-Neutral * 0.4 UNTRUSTED_Relay Comes from a non-trusted relay Subject: Re: [PATCH v4] enable x2APIC without interrupt remapping under KVM X-SA-Exim-Version: 4.2.1 (built Thu, 25 Oct 2007 00:26:12 +0000) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Gleb Natapov 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