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Code Issues Releases Wiki Activity

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

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

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210213005015.1651772-15-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2021-02-12 16:50:15 -08:00 committed by Paolo Bonzini
parent a1419f8b5b
commit 96ad91ae4e
2 changed files with 15 additions and 21 deletions
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1
arch/x86/include/asm/kvm_host.h
View file

@ -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);

35
arch/x86/kvm/mmu/mmu.c
View file

@ -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)