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-rw-r--r--arch/x86/kvm/mmu/mmu_internal.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h
index b00abbe3f6cf..72de71f4bc8b 100644
--- a/arch/x86/kvm/mmu/mmu_internal.h
+++ b/arch/x86/kvm/mmu/mmu_internal.h
@@ -321,6 +321,10 @@ static inline int kvm_mmu_do_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
fault.slot = kvm_vcpu_gfn_to_memslot(vcpu, fault.gfn);
}
+ /*
+ * With retpoline being active an indirect call is rather expensive,
+ * so do a direct call in the most common case.
+ */
if (IS_ENABLED(CONFIG_MITIGATION_RETPOLINE) && fault.is_tdp)
r = kvm_tdp_page_fault(vcpu, &fault);
else