On Tue, May 19, 2020 at 10:06:25AM +0200, Paolo Bonzini wrote: > On 19/05/20 09:55, Sean Christopherson wrote: > > Tangentially related, isn't the whole fastop thing doomed once CET kernel > > support lands? > > Why? You do need to add endbr markers and some of the fastop handlers > won't fit in 8 bytes, but that should be it. Never mind, had a brain fart and forgot CALL_NOSPEC shouldn't get patched to a retpoline on CET capable CPUs.
