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From: Christoph Hellwig <hch@lst.de>
To: "Dong, Eddie" <eddie.dong@intel.com>
Cc: Christoph Hellwig <hch@lst.de>, Jason Gunthorpe <jgg@ziepe.ca>,
	"Rao, Lei" <lei.rao@intel.com>,
	"kbusch@kernel.org" <kbusch@kernel.org>,
	"axboe@fb.com" <axboe@fb.com>, "kch@nvidia.com" <kch@nvidia.com>,
	"sagi@grimberg.me" <sagi@grimberg.me>,
	"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
	"cohuck@redhat.com" <cohuck@redhat.com>,
	"yishaih@nvidia.com" <yishaih@nvidia.com>,
	"shameerali.kolothum.thodi@huawei.com" 
	<shameerali.kolothum.thodi@huawei.com>,
	"Tian, Kevin" <kevin.tian@intel.com>,
	"mjrosato@linux.ibm.com" <mjrosato@linux.ibm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"Li, Yadong" <yadong.li@intel.com>,
	"Liu, Yi L" <yi.l.liu@intel.com>,
	"Wilk, Konrad" <konrad.wilk@oracle.com>,
	"stephen@eideticom.com" <stephen@eideticom.com>,
	"Yuan, Hang" <hang.yuan@intel.com>
Subject: Re: [RFC PATCH 5/5] nvme-vfio: Add a document for the NVMe device
Date: Mon, 12 Dec 2022 08:57:07 +0100	[thread overview]
Message-ID: <20221212075707.GD11162@lst.de> (raw)
In-Reply-To: <BL0PR11MB3042F27C99080E4B51318B338A1B9@BL0PR11MB3042.namprd11.prod.outlook.com>

On Tue, Dec 06, 2022 at 06:00:27PM +0000, Dong, Eddie wrote:
> NVMe spec is general, but the implementation details (such as internal state) may 
> be vendor specific. If the migration happens between 2 identical NVMe devices 
> (from same vendor/device w/ same firmware version), migration of 
> subsystem-wide state can be naturally covered, right?

No.  If you want live migration for nvme supported in Linux, it must
be speced in the NVMe technical working group and interoperate between
different implementations.

  reply	other threads:[~2022-12-12  7:57 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-06  5:58 [RFC PATCH 0/5] Add new VFIO PCI driver for NVMe devices Lei Rao
2022-12-06  5:58 ` [RFC PATCH 1/5] nvme-pci: add function nvme_submit_vf_cmd to issue admin commands for VF driver Lei Rao
2022-12-06  6:19   ` Christoph Hellwig
2022-12-06 13:44     ` Jason Gunthorpe
2022-12-06 13:51       ` Keith Busch
2022-12-06 14:27         ` Jason Gunthorpe
2022-12-06 13:58       ` Christoph Hellwig
2022-12-06 15:22         ` Jason Gunthorpe
2022-12-06 15:38           ` Christoph Hellwig
2022-12-06 15:51             ` Jason Gunthorpe
2022-12-06 16:55               ` Christoph Hellwig
2022-12-06 19:15                 ` Jason Gunthorpe
2022-12-07  2:30                   ` Max Gurtovoy
2022-12-07  7:58                     ` Christoph Hellwig
2022-12-09  2:11                       ` Tian, Kevin
2022-12-12  7:41                         ` Christoph Hellwig
2022-12-07  7:54                   ` Christoph Hellwig
2022-12-07 10:59                     ` Max Gurtovoy
2022-12-07 13:46                       ` Christoph Hellwig
2022-12-07 14:50                         ` Max Gurtovoy
2022-12-07 16:35                           ` Christoph Hellwig
2022-12-07 13:34                     ` Jason Gunthorpe
2022-12-07 13:52                       ` Christoph Hellwig
2022-12-07 15:07                         ` Jason Gunthorpe
2022-12-07 16:38                           ` Christoph Hellwig
2022-12-07 17:31                             ` Jason Gunthorpe
2022-12-07 18:33                               ` Christoph Hellwig
2022-12-07 20:08                                 ` Jason Gunthorpe
2022-12-09  2:50                                   ` Tian, Kevin
2022-12-09 18:56                                     ` Dong, Eddie
2022-12-11 11:39                                   ` Max Gurtovoy
2022-12-12  7:55                                     ` Christoph Hellwig
2022-12-12 14:49                                       ` Max Gurtovoy
2022-12-12  7:50                                   ` Christoph Hellwig
2022-12-13 14:01                                     ` Jason Gunthorpe
2022-12-13 16:08                                       ` Christoph Hellwig
2022-12-13 17:49                                         ` Jason Gunthorpe
2022-12-06  5:58 ` [RFC PATCH 2/5] nvme-vfio: add new vfio-pci driver for NVMe device Lei Rao
2022-12-06  5:58 ` [RFC PATCH 3/5] nvme-vfio: enable the function of VFIO live migration Lei Rao
2023-01-19 10:21   ` Max Gurtovoy
2023-02-09  9:09     ` Rao, Lei
2022-12-06  5:58 ` [RFC PATCH 4/5] nvme-vfio: check if the hardware supports " Lei Rao
2022-12-06 13:47   ` Keith Busch
2022-12-06  5:58 ` [RFC PATCH 5/5] nvme-vfio: Add a document for the NVMe device Lei Rao
2022-12-06  6:26   ` Christoph Hellwig
2022-12-06 13:05     ` Jason Gunthorpe
2022-12-06 13:09       ` Christoph Hellwig
2022-12-06 13:52         ` Jason Gunthorpe
2022-12-06 14:00           ` Christoph Hellwig
2022-12-06 14:20             ` Jason Gunthorpe
2022-12-06 14:31               ` Christoph Hellwig
2022-12-06 14:48                 ` Jason Gunthorpe
2022-12-06 15:01                   ` Christoph Hellwig
2022-12-06 15:28                     ` Jason Gunthorpe
2022-12-06 15:35                       ` Christoph Hellwig
2022-12-06 18:00                         ` Dong, Eddie
2022-12-12  7:57                           ` Christoph Hellwig [this message]
2022-12-11 12:05                     ` Max Gurtovoy
2022-12-11 13:21                       ` Rao, Lei
2022-12-11 14:51                         ` Max Gurtovoy
2022-12-12  1:20                           ` Rao, Lei
2022-12-12  8:09                           ` Christoph Hellwig
2022-12-09  2:05         ` Tian, Kevin
2022-12-09 16:53           ` Li, Yadong
2022-12-12  8:11             ` Christoph Hellwig

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