Re: [RFC][PATCH 0/4] arm64:kvm: teach guest sched that VCPUs can be preempted

[Sergey Senozhatsky]

My apologies for the slow reply.

On (20/08/17 13:25), Marc Zyngier wrote:
>
> It really isn't the same thing at all. You are exposing PV spinlocks,
> while Sergey exposes preemption to vcpus.
>

Correct, we see vcpu preemption as a "fundamental" feature, with
consequences that affect scheduling, which is a core feature :)

Marc, is there anything in particular that you dislike about this RFC
patch set? Joel has some ideas, which we may discuss offline if that
works for you.

	-ss