diff options
Diffstat (limited to 'arch/x86/kvm/mmu.h')
| -rw-r--r-- | arch/x86/kvm/mmu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 75125ae57e50..9f6554613bab 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -4,6 +4,7 @@ #include <linux/kvm_host.h> #include "kvm_cache_regs.h" +#include "cpuid.h" #define PT64_PT_BITS 9 #define PT64_ENT_PER_PAGE (1 << PT64_PT_BITS) @@ -150,6 +151,11 @@ static inline bool is_write_protection(struct kvm_vcpu *vcpu) return kvm_read_cr0_bits(vcpu, X86_CR0_WP); } +static inline bool kvm_mmu_is_illegal_gpa(struct kvm_vcpu *vcpu, gpa_t gpa) +{ + return (gpa >= BIT_ULL(cpuid_maxphyaddr(vcpu))); +} + /* * Check if a given access (described through the I/D, W/R and U/S bits of a * page fault error code pfec) causes a permission fault with the given PTE |