On Wed, Jan 10, 2024, Tao Su wrote: > On Tue, Jan 09, 2024 at 04:23:40PM -0800, Sean Christopherson wrote: > > Add a VMX flag in /proc/cpuinfo, ept_5level, so that userspace can query > > whether or not the CPU supports 5-level EPT paging. EPT capabilities are > > enumerated via MSR, i.e. aren't accessible to userspace without help from > > the kernel, and knowing whether or not 5-level EPT is supported is sadly > > necessary for userspace to correctly configure KVM VMs. > > > > When EPT is enabled, bits 51:49 of guest physical addresses are consumed > > nit: s/49/48 Argh, you even pointed that out before too. Thanks!
