From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34701) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAbmz-0000lH-PZ for qemu-devel@nongnu.org; Wed, 08 Jun 2016 07:36:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bAbmv-0001wO-Lq for qemu-devel@nongnu.org; Wed, 08 Jun 2016 07:36:48 -0400 Received: from mail-wm0-x244.google.com ([2a00:1450:400c:c09::244]:35796) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAbmv-0001wK-Ee for qemu-devel@nongnu.org; Wed, 08 Jun 2016 07:36:45 -0400 Received: by mail-wm0-x244.google.com with SMTP id k184so2253187wme.2 for ; Wed, 08 Jun 2016 04:36:45 -0700 (PDT) Sender: Paolo Bonzini References: <20160603060944.17373-1-haozhong.zhang@intel.com> <20160603060944.17373-3-haozhong.zhang@intel.com> From: Paolo Bonzini Message-ID: Date: Wed, 8 Jun 2016 13:36:40 +0200 MIME-Version: 1.0 In-Reply-To: <20160603060944.17373-3-haozhong.zhang@intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v3 2/2] target-i386: add migration support for Intel LMCE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Haozhong Zhang , qemu-devel@nongnu.org Cc: Richard Henderson , Eduardo Habkost , Marcelo Tosatti , "Michael S . Tsirkin" , kvm@vger.kernel.org, Boris Petkov , Tony Luck , Andi Kleen , Ashok Raj On 03/06/2016 08:09, Haozhong Zhang wrote: > LMCE is disabled by default, but a cpu option 'lmce=on/off' is provided > to enable/disable it. Migration is only allowed between VCPUs with the > same lmce option. This is not needed at all if you do the change in patch 1 that Eduardo requested (refuse to start if the host doesn't have the required capabilities). So if you do that you can just move the lmce property to patch 1. Thanks, Paolo