> From: Liu, Yi L
> Sent: Wednesday, May 24, 2023 10:41 AM
>
> > From: Tian, Kevin
> > Sent: Wednesday, May 24, 2023 10:39 AM
> >
> > > From: Liu, Yi L
> > > Sent: Wednesday, May 24, 2023 10:21 AM
> > >
> > > > >
> > > > > vfio_device_open_file()
> > > > > {
> > > > >
> From: Tian, Kevin
> Sent: Wednesday, May 24, 2023 10:39 AM
>
> > From: Liu, Yi L
> > Sent: Wednesday, May 24, 2023 10:21 AM
> >
> > > >
> > > > vfio_device_open_file()
> > > > {
> > > > dev_warn(device->dev, "vfio-noiommu device opened by user "
> > > >"(%s:%d)\n",
> From: Liu, Yi L
> Sent: Wednesday, May 24, 2023 10:21 AM
>
> > >
> > > vfio_device_open_file()
> > > {
> > > dev_warn(device->dev, "vfio-noiommu device opened by user "
> > > "(%s:%d)\n", current->comm, task_pid_nr(current));
> > > }
> >
> > There needs to be a taint when
> From: Alex Williamson
> Sent: Tuesday, May 23, 2023 11:51 PM
>
> On Tue, 23 May 2023 01:41:36 +
> "Liu, Yi L" wrote:
>
> > > From: Alex Williamson
> > > Sent: Tuesday, May 23, 2023 6:01 AM
> > >
> > > On Sat, 13 May 2023 06:28:23 -0700
> > > Yi Liu wrote:
> > >
> > > > This adds ioctl
On Tue, 23 May 2023 01:41:36 +
"Liu, Yi L" wrote:
> > From: Alex Williamson
> > Sent: Tuesday, May 23, 2023 6:01 AM
> >
> > On Sat, 13 May 2023 06:28:23 -0700
> > Yi Liu wrote:
> >
> > > This adds ioctl for userspace to bind device cdev fd to iommufd.
> > >
> > >
> From: Alex Williamson
> Sent: Tuesday, May 23, 2023 6:01 AM
>
> On Sat, 13 May 2023 06:28:23 -0700
> Yi Liu wrote:
>
> > This adds ioctl for userspace to bind device cdev fd to iommufd.
> >
> > VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain DMA
> >
On Sat, 13 May 2023 06:28:23 -0700
Yi Liu wrote:
> This adds ioctl for userspace to bind device cdev fd to iommufd.
>
> VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain DMA
> control provided by the iommufd. open_device
>
This adds ioctl for userspace to bind device cdev fd to iommufd.
VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain DMA
control provided by the iommufd. open_device
op is called after bind_iommufd op.
Tested-by: Yanting
