Re: [PATCH v4 0/2] Improve VM CPUfreq and task placement behavior

From: Marc Zyngier
Date: Mon Nov 13 2023 - 07:26:39 EST


On Mon, 13 Nov 2023 12:20:29 +0000,
Hongyan Xia <hongyan.xia2@xxxxxxx> wrote:
>
> Also, my knowledge with KVM is limited. May I know where the vCPU fork
> happens? Can't you just set the p->sched_reset_on_fork flag on fork to
> not carry forward the uclamp values?

There is no "vCPU fork". The vcpu is a VMM (qemu, crosvm, kvmtool)
thread, nothing else.

M.

--
Without deviation from the norm, progress is not possible.