On Mon, 2024-02-26 at 00:25 -0800, isaku.yamahata@xxxxxxxxx wrote: > From: Chao Gao <chao.gao@xxxxxxxxx> > > TODO: Drop this patch once the common patch is merged. What is this TODO talking about? > > When memory slot isn't found for kvm page fault, handle it as MMIO. > > The guest of TDX_VM, SNP_VM, or SW_PROTECTED_VM don't necessarily convert > the virtual MMIO range to shared before accessing it. When the guest tries > to access the virtual device's MMIO without any private/shared conversion, > An NPT fault or EPT violation is raised first to find private-shared > mismatch. Don't raise KVM_EXIT_MEMORY_FAULT, fall back to KVM_PFN_NOLSLOT. If this is general KVM_X86_SW_PROTECTED_VM behavior, can we pull it out of the TDX series? > > Signed-off-by: Chao Gao <chao.gao@xxxxxxxxx> > Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx> > ---
