Messages in this thread | | | Date | Wed, 9 Oct 2019 09:36:00 -0700 | From | Sean Christopherson <> | Subject | Re: [PATCH v2 5/8] KVM: x86: Add WARNs to detect out-of-bounds register indices |
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On Wed, Oct 09, 2019 at 12:50:44PM +0200, Paolo Bonzini wrote: > On 27/09/19 23:45, Sean Christopherson wrote: > > Open code the RIP and RSP accessors so as to avoid pointless overhead of > > WARN_ON_ONCE(). > > Is there actually an overhead here? It is effectively WARN_ON_ONCE(0) > which should be compiled out just fine.
Doh, you're correct, it does get compiled out.
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