From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47466) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDxXD-0003DH-61 for qemu-devel@nongnu.org; Fri, 17 Jun 2016 13:26:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bDxX7-0006Ps-1a for qemu-devel@nongnu.org; Fri, 17 Jun 2016 13:26:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36141) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDxX6-0006Pn-Rt for qemu-devel@nongnu.org; Fri, 17 Jun 2016 13:26:16 -0400 References: <20160616060621.30422-1-haozhong.zhang@intel.com> <20160616060621.30422-3-haozhong.zhang@intel.com> <1d2312d2-4dd3-6a73-d0d7-84b4e8c749e2@redhat.com> <20160616102918.7geiaomeitldj7jy@hz-desktop> <20160616105529.dpmjjeqsdnf5cdnm@hz-desktop> <20160616173624.GO18662@thinpad.lan.raisama.net> <7e106359-c7e3-93b5-4cca-d669c26c873e@redhat.com> <20160616175822.GP18662@thinpad.lan.raisama.net> <20160617020105.mjelzxhdy5wcgqcm@hz-desktop> <20160617172016.GK18662@thinpad.lan.raisama.net> From: Paolo Bonzini Message-ID: Date: Fri, 17 Jun 2016 19:26:01 +0200 MIME-Version: 1.0 In-Reply-To: <20160617172016.GK18662@thinpad.lan.raisama.net> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v4 2/3] target-i386: add migration support for Intel LMCE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Eduardo Habkost , qemu-devel@nongnu.org, Richard Henderson , "Michael S . Tsirkin" , Marcelo Tosatti , kvm@vger.kernel.org, Boris Petkov , Tony Luck , Andi Kleen , rkrcmar@redhat.com, Ashok Raj On 17/06/2016 19:20, Eduardo Habkost wrote: >> > >> > What will be the conclusion? Do we still need this check? >> > >> > I'm fine to remove this check if we normally didn't make such kind of >> > checks and require users to avoid configuration mismatch. > > I don't know yet if Paolo is convinced that the check is still > useful. :) I'm not. :) > > Does that mean we can automatically enable LMCE for "-cpu host"? > > We can automatically enable LMCE for "-cpu host" if and only if > the host kernel supports LMCE. Yes, I agree here. It's a start. Paolo