Re: [PATCH RFC 00/15] Add VFIO mediated device support and IMS support for the idxd driver.

[Jason Gunthorpe]

On Mon, Apr 27, 2020 at 12:13:33PM +0000, Tian, Kevin wrote:

> Then back to this context. Almost every newly-born Linux VMM
> (firecracker, crosvm, cloud hypervisor, and some proprietary 
> implementations) support only two types of devices: virtio and 
> vfio, because they want to be simple and slim.

For security. Moving all the sketchy emulation code into the kernel
seems like a worse security posture over all :(

Jason