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Diffstat (limited to 'arch/x86/kvm/x86.h')
-rw-r--r--arch/x86/kvm/x86.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index d4b59cf0dc51..68eb0d03e5fc 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -94,6 +94,11 @@ static inline int is_paging(struct kvm_vcpu *vcpu)
return likely(kvm_read_cr0_bits(vcpu, X86_CR0_PG));
}
+static inline bool is_pae_paging(struct kvm_vcpu *vcpu)
+{
+ return !is_long_mode(vcpu) && is_pae(vcpu) && is_paging(vcpu);
+}
+
static inline u32 bit(int bitno)
{
return 1 << (bitno & 31);
@@ -136,6 +141,11 @@ static inline bool emul_is_noncanonical_address(u64 la,
static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu,
gva_t gva, gfn_t gfn, unsigned access)
{
+ u64 gen = kvm_memslots(vcpu->kvm)->generation;
+
+ if (unlikely(gen & 1))
+ return;
+
/*
* If this is a shadow nested page table, the "GVA" is
* actually a nGPA.
@@ -143,7 +153,7 @@ static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu,
vcpu->arch.mmio_gva = mmu_is_nested(vcpu) ? 0 : gva & PAGE_MASK;
vcpu->arch.access = access;
vcpu->arch.mmio_gfn = gfn;
- vcpu->arch.mmio_gen = kvm_memslots(vcpu->kvm)->generation;
+ vcpu->arch.mmio_gen = gen;
}
static inline bool vcpu_match_mmio_gen(struct kvm_vcpu *vcpu)