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[23.128.96.18]) by mx.google.com with ESMTP id y4si4296796edi.166.2020.04.29.17.56.57; Wed, 29 Apr 2020 17:57:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726501AbgD3Az2 (ORCPT + 99 others); Wed, 29 Apr 2020 20:55:28 -0400 Received: from mga01.intel.com ([192.55.52.88]:21869 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726309AbgD3Az2 (ORCPT ); Wed, 29 Apr 2020 20:55:28 -0400 IronPort-SDR: Yf20lfQHPwm6r+jBqapudIdjMW3i/G39/i6RmS3Iib2G0bB0OaJju6CBBZ//VcB6iOqAxp1SLe E+iqfClPvOSQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2020 17:55:27 -0700 IronPort-SDR: +gRX2R/WV/4QXJPPo6djRHcjf8PsJ1DwkfropLFEC/MLZ7TCqHkGV7ms5qWKqZXcpf0RzixPXC dDGi/gCLRJ5A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,333,1583222400"; d="scan'208";a="249600406" Received: from joy-optiplex-7040.sh.intel.com (HELO joy-OptiPlex-7040) ([10.239.13.16]) by fmsmga008.fm.intel.com with ESMTP; 29 Apr 2020 17:55:21 -0700 Date: Wed, 29 Apr 2020 20:45:38 -0400 From: Yan Zhao To: Eric Blake Cc: "Dr. David Alan Gilbert" , "cjia@nvidia.com" , "kvm@vger.kernel.org" , "linux-doc@vger.kernel.org" , "libvir-list@redhat.com" , "Zhengxiao.zx@alibaba-inc.com" , "shuangtai.tst@alibaba-inc.com" , "qemu-devel@nongnu.org" , "kwankhede@nvidia.com" , "eauger@redhat.com" , "Liu, Yi L" , "corbet@lwn.net" , "Yang, Ziye" , "mlevitsk@redhat.com" , "pasic@linux.ibm.com" , "aik@ozlabs.ru" , "felipe@nutanix.com" , "Ken.Xue@amd.com" , "Tian, Kevin" , "eskultet@redhat.com" , "Zeng, Xin" , "zhenyuw@linux.intel.com" , "dinechin@redhat.com" , Alex Williamson , "intel-gvt-dev@lists.freedesktop.org" , "Liu, Changpeng" , "berrange@redhat.com" , Cornelia Huck , "linux-kernel@vger.kernel.org" , "Wang, Zhi A" , "jonathan.davies@nutanix.com" , "He, Shaopeng" Subject: Re: [PATCH v5 0/4] introduction of migration_version attribute for VFIO live migration Message-ID: <20200430004537.GO12879@joy-OptiPlex-7040> Reply-To: Yan Zhao References: <20200422073628.GA12879@joy-OptiPlex-7040> <20200424191049.GU3106@work-vm> <20200426013628.GC12879@joy-OptiPlex-7040> <20200427153743.GK2923@work-vm> <20200428005429.GJ12879@joy-OptiPlex-7040> <20200428141437.GG2794@work-vm> <20200429072616.GL12879@joy-OptiPlex-7040> <20200429082201.GA2834@work-vm> <20200429093555.GM12879@joy-OptiPlex-7040> <94cd58d2-0580-53cd-6ca2-2c33146e0f2c@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <94cd58d2-0580-53cd-6ca2-2c33146e0f2c@redhat.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 29, 2020 at 10:13:01PM +0800, Eric Blake wrote: > [meta-comment] > > On 4/29/20 4:35 AM, Yan Zhao wrote: > > On Wed, Apr 29, 2020 at 04:22:01PM +0800, Dr. David Alan Gilbert wrote: > [...] > >>>>>>>>>>>>>>>>> This patchset introduces a migration_version attribute under sysfs > >>>>>>>>>>> of VFIO > >>>>>>>>>>>>>>>>> Mediated devices. > > Hmm, several pages with up to 16 levels of quoting, with editors making > the lines ragged, all before I get to the real meat of the email. > Remember, it's okay to trim content,... > > >> So why don't we split the difference; lets say that it should start with > >> the hex PCI Vendor ID. > >> > > The problem is for mdev devices, if the parent devices are not PCI devices, > > they don't have PCI vendor IDs. > > ...to just what you are replying to. > sorry for that. next time I'll try to make a better balance between keeping conversation background and leaving the real meat of the email. Thanks for reminding. Yan