On Tue, 8 Apr 2025 11:30:32 -0700 Stephen Hemminger <step...@networkplumber.org> wrote:
> In early days of virtio, the x86 I/O instructions were used > to ring the doorbell for host access. To support these DPDK > needed to enable IO access. This is no longer necessary and > the vestiage can be marked deprecated. > > Signed-off-by: Stephen Hemminger <step...@networkplumber.org> > --- Not yet, FreeBSD still uses it and the virtio support still needs it. Really needs to go since many kernels fully block userspace to I/O because it allows unrestricted access to hardware.