| From | Andy Lutomirski <> | Date | Fri, 8 May 2020 17:14:49 -0700 | Subject | Re: [patch V4 part 2 13/18] x86/kvm: Move context tracking where it belongs |
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On Tue, May 5, 2020 at 7:14 AM Thomas Gleixner <tglx@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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