On Wed, 2024-06-05 at 16:19 -0700, Sean Christopherson wrote: > Add defines for the architectural memory types that can be shoved into > various MSRs and registers, e.g. MTRRs, PAT, VMX capabilities MSRs, EPTPs, > etc. While most MSRs/registers support only a subset of all memory types, > the values themselves are architectural and identical across all users. > > Leave the goofy MTRR_TYPE_* definitions as-is since they are in a uapi > header, but add compile-time assertions to connect the dots (and sanity > check that the msr-index.h values didn't get fat-fingered). > > Keep the VMX_EPTP_MT_* defines so that it's slightly more obvious that the > EPTP holds a single memory type in 3 of its 64 bits; those bits just > happen to be 2:0, i.e. don't need to be shifted. > > Opportunistically use X86_MEMTYPE_WB instead of an open coded '6' in > setup_vmcs_config(). > > No functional change intended. > > Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> > If it helps, Acked-by: Kai Huang <kai.huang@xxxxxxxxx>
