Re: [PATCH v2 04/18] KVM: nVMX: reset cache/shadows on nested consistency check VMExit

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On Wed, Sep 19, 2018 at 02:22:09PM -0700, Jim Mattson wrote:
> On Tue, Aug 28, 2018 at 9:04 AM, Sean Christopherson
> <sean.j.christopherson@xxxxxxxxx> wrote:
> > Reset the vm_{entry,exit}_controls_shadow variables as well as the
> > segment cache on consistency check VMExit.  The shadow values in
> > particular can lead to missed updates due to stale shadows.
> 
> I feel like this should go into vmx_switch_vmcs() instead. Every time
> we switch vmcs, for whatever reason, the shadows are going to be
> stale.

That would make a lot more sense.



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