Re: [Qemu-devel] [RFC] Next gen kvm api

[Eric Northup]

On Thu, Feb 2, 2012 at 8:09 AM, Avi Kivity <address@hidden> wrote:
[...]
>
> Moving to syscalls avoids these problems, but introduces new ones:
>
> - adding new syscalls is generally frowned upon, and kvm will need several
> - syscalls into modules are harder and rarer than into core kernel code
> - will need to add a vcpu pointer to task_struct, and a kvm pointer to
> mm_struct
- Lost a good place to put access control (permissions on /dev/kvm)
for which user-mode processes can use KVM.

How would the ability to use sys_kvm_* be regulated?