From: Christoph Hellwig <hch@lst.de>
To: "Tian, Kevin" <kevin.tian@intel.com>
Cc: Christoph Hellwig <hch@lst.de>,
Max Gurtovoy <mgurtovoy@nvidia.com>,
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>,
"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>,
"Dong, Eddie" <eddie.dong@intel.com>,
"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 1/5] nvme-pci: add function nvme_submit_vf_cmd to issue admin commands for VF driver.
Date: Mon, 12 Dec 2022 08:41:34 +0100 [thread overview]
Message-ID: <20221212074134.GA11162@lst.de> (raw)
In-Reply-To: <BN9PR11MB52766AC1962858248B7030E28C1C9@BN9PR11MB5276.namprd11.prod.outlook.com>
On Fri, Dec 09, 2022 at 02:11:21AM +0000, Tian, Kevin wrote:
> > It can't. That's the whole point. The controlled function that is
> > being migrate must be absolutely unaware of that (except for things
> > like quiescing access or FLRs that could happen anyway), because
> > otherwise your have a fundamental information leak.
> >
>
> Can you elaborate which information is leaked?
Information about what controllers exist, what namespaces exist, etc.
next prev parent reply other threads:[~2022-12-12 7:41 UTC|newest]
Thread overview: 71+ 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 [this message]
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 7:00 ` kernel test robot
2022-12-06 9:01 ` kernel test robot
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
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
2022-12-07 22:42 ` Jonathan Derrick
2022-12-07 22:54 ` Chaitanya Kulkarni
2022-12-08 0:03 ` Keith Busch
2022-12-08 5:39 ` Chaitanya Kulkarni
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