Re: [PATCH] KVM: x86: Reduce retpoline performance impact in slot_handle_level_range()

[Peter Zijlstra]

On Sat, Feb 03, 2018 at 02:46:47PM +0000, David Woodhouse wrote:
> Yeah. I'm keen on being able to use something like alternatives to
> *change* 'usualfunction' at runtime though. I suspect it'll be a win
> for stuff like dma_ops.

That shouldn't be too hard to implement.