On Thu, Jun 15, 2023, Sean Christopherson wrote: > Your cover letter from v2 back in April said the same thing. Why hasn't the patch > been posted? And what exactly is the issue? IIUC, setting CR4.CET with > MSR_IA32_S_CET=0 and MSR_IA32_U_CET=0 should be a nop, which suggests that there's > a KVM bug. And if that's the case, the next obvious questions is, why are you > posting known buggy code? Ah, is the problem that the test doesn't set CR0.WP as required by CR4.CET=1?
