On Tue, Jul 06, 2021 at 04:56:07PM +0200, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > On 03/07/21 00:04, isaku.yamahata@xxxxxxxxx wrote: > > From: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> > > > > TDX will run with EPT violation #VEs enabled, which means KVM needs to > > set the "suppress #VE" bit in unused PTEs to avoid unintentionally > > reflecting not-present EPT violations into the guest. > > > > Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> > > Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx> > > --- > > arch/x86/kvm/mmu.h | 1 + > > arch/x86/kvm/mmu/mmu.c | 50 +++++++++++++++++++++++++++++++++++------ > > arch/x86/kvm/mmu/spte.c | 10 +++++++++ > > arch/x86/kvm/mmu/spte.h | 2 ++ > > 4 files changed, 56 insertions(+), 7 deletions(-) > > Please ensure that this also works for tdp_mmu.c (if anything, consider > supporting TDX only for TDP MMU; it's quite likely that mmu.c support for > EPT/NPT will go away). It's on my TODO list. Will address it. -- Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
