On Tue, Sep 24, 2019 at 02:16:36AM +0200, Paolo Bonzini wrote: > On 23/09/19 23:08, Andrea Arcangeli wrote: > > The two most attractive options to me remains what I already have > > implemented under #ifdef CONFIG_RETPOLINE with direct calls > > (optionally replacing the "if" with a small "switch" still under > > CONFIG_RETPOLINE if we give up the prioritization of the checks), or > > the replacement of kvm_vmx_exit_handlers with a switch() as suggested > > by Vitaly which would cleanup some code. > > > > The intermediate solution that makes "const" work, has the cons of > > forcing to parse EXIT_REASON_VMCLEAR and the other vmx exit reasons > > twice, first through a pointer to function (or another if or switch > > statement) then with a second switch() statement. > > I agree. I think the way Andrea did it in his patch may not the nicest > but is (a bit surprisingly) the easiest and most maintainable. Heh, which patch? The original patch of special casing the high priority exits?
