diff options
Diffstat (limited to 'arch/x86/kvm/mmu.h')
| -rw-r--r-- | arch/x86/kvm/mmu.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index ba6a19c50f27..5b59c573aba7 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -56,12 +56,15 @@ void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask); /* * Return values of handle_mmio_page_fault_common: * RET_MMIO_PF_EMULATE: it is a real mmio page fault, emulate the instruction - * directly. + * directly. + * RET_MMIO_PF_INVALID: invalid spte is detected then let the real page + * fault path update the mmio spte. * RET_MMIO_PF_RETRY: let CPU fault again on the address. * RET_MMIO_PF_BUG: bug is detected. */ enum { RET_MMIO_PF_EMULATE = 1, + RET_MMIO_PF_INVALID = 2, RET_MMIO_PF_RETRY = 0, RET_MMIO_PF_BUG = -1 }; |