On Tue, May 5, 2020 at 7:14 AM Thomas Gleixner <t...@linutronix.de> wrote:
>
> Context tracking for KVM happens way too early in the vcpu_run()
> code. Anything after guest_enter_irqoff() and before guest_exit_irqoff()
> cannot use RCU and should also be not instrumented.
>
> The current way of doing this covers way too much code. Move it closer to
> the actual vmenter/exit code.

Now you've made me wonder what happens if someone traces
vmx_vcpu_run().  I'm not sure I really want to think about this.

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