Re: [PATCH RFC 0/2] KVM: x86: Support using the VMX preemption timer for APIC Timer periodic/oneshot mode

From: Andy Lutomirski
Date: Tue Jul 11 2017 - 10:41:28 EST

On Mon, Jul 10, 2017 at 7:43 PM, Wanpeng Li <kernellwp@xxxxxxxxx> wrote:
> Sigh, I heard the same idea from a company called Huawei, they applied
> the patent for the idea.

Seriously? What arseholes.

Also, calling that an invention is a bit of a joke. It's called the
VMX *preemption* timer. Using it for preemption isn't exactly rocket
science. Neither is passing an MSR straight through.

That being said, the lack of scaling and offset support is indeed problematic.