From: Christoph Hellwig <hch@infradead.org>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Ankit Agrawal <ankita@nvidia.com>,
Jason Gunthorpe <jgg@nvidia.com>,
Yishai Hadas <yishaih@nvidia.com>,
"shameerali.kolothum.thodi@huawei.com"
<shameerali.kolothum.thodi@huawei.com>,
"kevin.tian@intel.com" <kevin.tian@intel.com>,
Aniket Agashe <aniketa@nvidia.com>, Neo Jia <cjia@nvidia.com>,
Kirti Wankhede <kwankhede@nvidia.com>,
"Tarun Gupta (SW-GPU)" <targupta@nvidia.com>,
Vikram Sethi <vsethi@nvidia.com>,
Andy Currid <acurrid@nvidia.com>,
Alistair Popple <apopple@nvidia.com>,
John Hubbard <jhubbard@nvidia.com>,
Dan Williams <danw@nvidia.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
David Airlie <airlied@redhat.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH v7 1/1] vfio/nvgpu: Add vfio pci variant module for grace hopper
Date: Thu, 31 Aug 2023 22:47:53 -0700 [thread overview]
Message-ID: <ZPF7CYel75P3fBY2@infradead.org> (raw)
In-Reply-To: <20230831122150.2b97511b.alex.williamson@redhat.com>
On Thu, Aug 31, 2023 at 12:21:50PM -0600, Alex Williamson wrote:
> There's really never a guarantee that the thing we're exposing via the
> vfio uAPI has mainline drivers, for example we don't consult the
> nouveau device table before we expose an NVIDIA GPU to a Windows guest
> running proprietary device drivers.
As I said in my initial mail there's a huge different between a simple
passthrough like vfio-pci that doesn't care about the actual device,
and a driver like this one that is completely device specific.
prev parent reply other threads:[~2023-09-01 5:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-22 20:23 [PATCH v7 1/1] vfio/nvgpu: Add vfio pci variant module for grace hopper ankita
2023-08-22 22:29 ` Alex Williamson
2023-08-23 13:56 ` Jason Gunthorpe
2023-08-23 14:18 ` Ankit Agrawal
2023-08-23 14:25 ` Jason Gunthorpe
2023-08-23 14:26 ` Alex Williamson
2023-08-23 14:50 ` Ankit Agrawal
2023-08-23 15:14 ` Alex Williamson
2023-08-23 15:16 ` Jason Gunthorpe
2023-08-23 15:24 ` Alex Williamson
2023-08-30 13:50 ` Christoph Hellwig
2023-08-30 15:39 ` Jason Gunthorpe
2023-08-31 12:26 ` Christoph Hellwig
2023-08-31 13:51 ` Ankit Agrawal
2023-08-31 14:04 ` Christoph Hellwig
2023-08-31 18:21 ` Alex Williamson
2023-09-01 0:44 ` Jason Gunthorpe
2023-09-01 5:48 ` Christoph Hellwig
2023-09-01 5:47 ` Christoph Hellwig [this message]
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