> On Mar 29, 2021, at 7:04 PM, Andi Kleen <a...@linux.intel.com> wrote: > > >> >>> No, if these instructions take a #VE then they were executed at CPL=0. >>> MONITOR >>> and MWAIT will #UD without VM-Exit->#VE. Same for WBINVD, s/#UD/#GP. >> >> Dare I ask about XSETBV? > > XGETBV does not cause a #VE, it just works normally. The guest has full > AVX capabilities. >
X *SET* BV
