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From: Sean Christopherson <seanjc@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Ben Gardon <bgardon@google.com>,
	Makarand Sonare <makarandsonare@google.com>
Subject: [PATCH 14/14] KVM: x86/mmu: Remove a variety of unnecessary exports
Date: Fri, 12 Feb 2021 16:50:15 -0800	[thread overview]
Message-ID: <20210213005015.1651772-15-seanjc@google.com> (raw)
In-Reply-To: <20210213005015.1651772-1-seanjc@google.com>

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

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/x86/include/asm/kvm_host.h |  1 -
 arch/x86/kvm/mmu/mmu.c          | 35 ++++++++++++++-------------------
 2 files changed, 15 insertions(+), 21 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index c15d6de8c457..0cf71ff2b2e5 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -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);
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 6ad0fb1913c6..30e9b0cb9abd 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -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)
-- 
2.30.0.478.g8a0d178c01-goog


  parent reply	other threads:[~2021-02-13  0:57 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-13  0:50 [PATCH 00/14] KVM: x86/mmu: Dirty logging fixes and improvements Sean Christopherson
2021-02-13  0:50 ` [PATCH 01/14] KVM: x86/mmu: Expand collapsible SPTE zap for TDP MMU to ZONE_DEVICE pages Sean Christopherson
2021-02-18 12:36   ` Paolo Bonzini
2021-02-13  0:50 ` [PATCH 02/14] KVM: x86/mmu: Don't unnecessarily write-protect small pages in TDP MMU Sean Christopherson
2021-02-13  0:50 ` [PATCH 03/14] KVM: x86/mmu: Split out max mapping level calculation to helper Sean Christopherson
2021-02-13  0:50 ` [PATCH 04/14] KVM: x86/mmu: Pass the memslot to the rmap callbacks Sean Christopherson
2021-02-13  0:50 ` [PATCH 05/14] KVM: x86/mmu: Consult max mapping level when zapping collapsible SPTEs Sean Christopherson
2021-02-18 12:43   ` Paolo Bonzini
2021-02-18 16:23     ` Sean Christopherson
2021-02-18 22:30       ` Mike Kravetz
2021-02-19  1:31         ` Sean Christopherson
2021-02-13  0:50 ` [PATCH 06/14] KVM: nVMX: Disable PML in hardware when running L2 Sean Christopherson
2021-02-13  0:50 ` [PATCH 07/14] KVM: x86/mmu: Expand on the comment in kvm_vcpu_ad_need_write_protect() Sean Christopherson
2021-02-13  0:50 ` [PATCH 08/14] KVM: x86/mmu: Make dirty log size hook (PML) a value, not a function Sean Christopherson
2021-02-18 12:45   ` Paolo Bonzini
2021-02-13  0:50 ` [PATCH 09/14] KVM: x86: Move MMU's PML logic to common code Sean Christopherson
2021-02-13  0:50 ` [PATCH 10/14] KVM: x86: Further clarify the logic and comments for toggling log dirty Sean Christopherson
2021-02-18 12:50   ` Paolo Bonzini
2021-02-18 16:15     ` Sean Christopherson
2021-02-18 16:56       ` Paolo Bonzini
2021-02-13  0:50 ` [PATCH 11/14] KVM: VMX: Dynamically enable/disable PML based on memslot dirty logging Sean Christopherson
2021-02-13  0:50 ` [PATCH 12/14] KVM: x86/mmu: Don't set dirty bits when disabling dirty logging w/ PML Sean Christopherson
2021-02-18 17:08   ` Paolo Bonzini
2021-02-13  0:50 ` [PATCH 13/14] KVM: x86: Fold "write-protect large" use case into generic write-protect Sean Christopherson
2021-02-13  0:50 ` Sean Christopherson [this message]
2021-02-17 22:50 ` [PATCH 00/14] KVM: x86/mmu: Dirty logging fixes and improvements Sean Christopherson
2021-02-18 12:57 ` Paolo Bonzini

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