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-rw-r--r--arch/x86/kvm/mmu/mmu.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index a81637a98019..c15ac5329cf8 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -6863,6 +6863,7 @@ void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end)
write_unlock(&kvm->mmu_lock);
}
+EXPORT_SYMBOL_FOR_KVM_INTERNAL(kvm_zap_gfn_range);
static bool slot_rmap_write_protect(struct kvm *kvm,
struct kvm_rmap_head *rmap_head,
@@ -7204,7 +7205,6 @@ restart:
return need_tlb_flush;
}
-EXPORT_SYMBOL_FOR_KVM_INTERNAL(kvm_zap_gfn_range);
static void kvm_rmap_zap_collapsible_sptes(struct kvm *kvm,
const struct kvm_memory_slot *slot)
@@ -7364,6 +7364,9 @@ void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, u64 gen)
{
WARN_ON_ONCE(gen & KVM_MEMSLOT_GEN_UPDATE_IN_PROGRESS);
+ if (!enable_mmio_caching)
+ return;
+
gen &= MMIO_SPTE_GEN_MASK;
/*