[Rust-VMM] [Rust-vmm] Goals for this list

Josh Triplett josh at joshtriplett.org
Wed Dec 19 23:07:39 UTC 2018


On Wed, Dec 19, 2018 at 03:02:15PM -0800, Dylan Reid wrote:
> On Wed, Dec 19, 2018 at 2:59 PM Steve Rutherford <srutherford at google.com> wrote:
> >
> > Hint received :)
> > Getting userspace instruction emulation to work with nested has been a
> > bit of a fight, and we've been waiting to push stuff upstream until we
> > have it everywhere.
> 
> The crosvm team is currently investigating moving the PIT and APIC
> emulation to user space. If that works, instruction emulation will be
> next on the list, including helping to get the kernel side landed
> upstream.

That sounds great; the less complexity and attack surface in the kernel,
the better.

(That also makes it easier to turn off that emulation entirely, for
specialty VMs.)



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