linux-kernel - Re: [PATCH v5 0/4] introduction of migration_version attribute for VFIO live migration

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Message-ID: <94cd58d2-0580-53cd-6ca2-2c33146e0f2c@redhat.com>
Date:   Wed, 29 Apr 2020 09:13:01 -0500
From:   Eric Blake <eblake@...hat.com>
To:     Yan Zhao <yan.y.zhao@...el.com>,
        "Dr. David Alan Gilbert" <dgilbert@...hat.com>
Cc:     Cornelia Huck <cohuck@...hat.com>,
        "cjia@...dia.com" <cjia@...dia.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "libvir-list@...hat.com" <libvir-list@...hat.com>,
        "Zhengxiao.zx@...baba-inc.com" <Zhengxiao.zx@...baba-inc.com>,
        "shuangtai.tst@...baba-inc.com" <shuangtai.tst@...baba-inc.com>,
        "qemu-devel@...gnu.org" <qemu-devel@...gnu.org>,
        "kwankhede@...dia.com" <kwankhede@...dia.com>,
        "eauger@...hat.com" <eauger@...hat.com>,
        "Liu, Yi L" <yi.l.liu@...el.com>,
        "corbet@....net" <corbet@....net>,
        "Yang, Ziye" <ziye.yang@...el.com>,
        "mlevitsk@...hat.com" <mlevitsk@...hat.com>,
        "pasic@...ux.ibm.com" <pasic@...ux.ibm.com>,
        "aik@...abs.ru" <aik@...abs.ru>,
        "felipe@...anix.com" <felipe@...anix.com>,
        "Ken.Xue@....com" <Ken.Xue@....com>,
        "Tian, Kevin" <kevin.tian@...el.com>,
        "Zeng, Xin" <xin.zeng@...el.com>,
        "zhenyuw@...ux.intel.com" <zhenyuw@...ux.intel.com>,
        "jonathan.davies@...anix.com" <jonathan.davies@...anix.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        "intel-gvt-dev@...ts.freedesktop.org" 
        <intel-gvt-dev@...ts.freedesktop.org>,
        "Liu, Changpeng" <changpeng.liu@...el.com>,
        "berrange@...hat.com" <berrange@...hat.com>,
        "eskultet@...hat.com" <eskultet@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Wang, Zhi A" <zhi.a.wang@...el.com>,
        "dinechin@...hat.com" <dinechin@...hat.com>,
        "He, Shaopeng" <shaopeng.he@...el.com>
Subject: Re: [PATCH v5 0/4] introduction of migration_version attribute for
 VFIO live migration

[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.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org