Re: [RFC PATCH v2 0/5] Paravirt Scheduling (Dynamic vcpu priority management)

[Steven Rostedt]

On Fri, 12 Jul 2024 10:08:43 -0700
Sean Christopherson <seanjc@xxxxxxxxxx> wrote:

> > I am a bit confused by your statement Sean, because if a higher prio HOST
> > thread wakes up on the vCPU thread's phyiscal CPU, then a VM-Exit should
> > happen. That has nothing to do with IRQ delivery.  What am I missing?  
> 
> Why does that require hooking VM-Exit?

To do the lazy boosting. That's the time that the host can see the
priority of the currently running task.

-- Steve