From: Lai Jiangshan Date: Thu, 16 Feb 2023 23:53:17 +0000 (+0800) Subject: KVM: x86/mmu: Use kvm_mmu_invalidate_addr() in nested_ept_invalidate_addr() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2c86c444e2751a867bfa6a059a80ba67ef9d441a;p=linux.git KVM: x86/mmu: Use kvm_mmu_invalidate_addr() in nested_ept_invalidate_addr() Use kvm_mmu_invalidate_addr() instead open calls to mmu->invlpg(). No functional change intended. Signed-off-by: Lai Jiangshan Link: https://lore.kernel.org/r/20230216235321.735214-1-jiangshanlai@gmail.com Signed-off-by: Sean Christopherson --- diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 3ed8879e93edf..aafa431a35336 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -5792,6 +5792,7 @@ void kvm_mmu_invalidate_addr(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, mmu->invlpg(vcpu, addr, mmu->prev_roots[i].hpa); } } +EXPORT_SYMBOL_GPL(kvm_mmu_invalidate_addr); void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva) { diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index f63b28f46a713..c4ede229ed82e 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -358,6 +358,7 @@ static bool nested_ept_root_matches(hpa_t root_hpa, u64 root_eptp, u64 eptp) static void nested_ept_invalidate_addr(struct kvm_vcpu *vcpu, gpa_t eptp, gpa_t addr) { + unsigned long roots = 0; uint i; struct kvm_mmu_root_info *cached_root; @@ -368,8 +369,10 @@ static void nested_ept_invalidate_addr(struct kvm_vcpu *vcpu, gpa_t eptp, if (nested_ept_root_matches(cached_root->hpa, cached_root->pgd, eptp)) - vcpu->arch.mmu->invlpg(vcpu, addr, cached_root->hpa); + roots |= KVM_MMU_ROOT_PREVIOUS(i); } + if (roots) + kvm_mmu_invalidate_addr(vcpu, vcpu->arch.mmu, addr, roots); } static void nested_ept_inject_page_fault(struct kvm_vcpu *vcpu,