Commit 96ad91ae authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini
Browse files

KVM: x86/mmu: Remove a variety of unnecessary exports 



Remove several exports from the MMU that are no longer necessary.

No functional change intended.

Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Message-Id: <20210213005015.1651772-15-seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent a1419f8b

arch/x86/include/asm/kvm_host.h

+0 −1
Original line number Diff line number Diff line
@@ -1592,7 +1592,6 @@ void kvm_inject_nmi(struct kvm_vcpu *vcpu); 
void kvm_update_dr7(struct kvm_vcpu *vcpu);



int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn);

int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva);

void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu);

int kvm_mmu_load(struct kvm_vcpu *vcpu);

void kvm_mmu_unload(struct kvm_vcpu *vcpu);

arch/x86/kvm/mmu/mmu.c

+15 −20
Original line number Diff line number Diff line
@@ -2466,7 +2466,21 @@ int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn) 


	return r;

}

EXPORT_SYMBOL_GPL(kvm_mmu_unprotect_page);



static int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva)

{

	gpa_t gpa;

	int r;



	if (vcpu->arch.mmu->direct_map)

		return 0;



	gpa = kvm_mmu_gva_to_gpa_read(vcpu, gva, NULL);



	r = kvm_mmu_unprotect_page(vcpu->kvm, gpa >> PAGE_SHIFT);



	return r;

}



static void kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)

{
@@ -3411,7 +3425,6 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu) 
	kvm_mmu_audit(vcpu, AUDIT_POST_SYNC);

	write_unlock(&vcpu->kvm->mmu_lock);

}

EXPORT_SYMBOL_GPL(kvm_mmu_sync_roots);



static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gpa_t vaddr,

				  u32 access, struct x86_exception *exception)
@@ -4977,22 +4990,6 @@ static void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, 
	write_unlock(&vcpu->kvm->mmu_lock);

}



int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva)

{

	gpa_t gpa;

	int r;



	if (vcpu->arch.mmu->direct_map)

		return 0;



	gpa = kvm_mmu_gva_to_gpa_read(vcpu, gva, NULL);



	r = kvm_mmu_unprotect_page(vcpu->kvm, gpa >> PAGE_SHIFT);



	return r;

}

EXPORT_SYMBOL_GPL(kvm_mmu_unprotect_page_virt);



int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u64 error_code,

		       void *insn, int insn_len)

{
@@ -5091,7 +5088,6 @@ void kvm_mmu_invalidate_gva(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, 
		mmu->invlpg(vcpu, gva, root_hpa);

	}

}

EXPORT_SYMBOL_GPL(kvm_mmu_invalidate_gva);



void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva)

{
@@ -5131,7 +5127,6 @@ void kvm_mmu_invpcid_gva(struct kvm_vcpu *vcpu, gva_t gva, unsigned long pcid) 
	 * for them.

	 */

}

EXPORT_SYMBOL_GPL(kvm_mmu_invpcid_gva);



void kvm_configure_mmu(bool enable_tdp, int tdp_max_root_level,

		       int tdp_huge_page_level)