linux-kernel - [PATCH] KVM: x86: remove obsolete kvm_mmu_gva_to_gpa

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Message-ID: <20220913090537.25195-1-linmiaohe@huawei.com>
Date:   Tue, 13 Sep 2022 17:05:37 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <seanjc@...gle.com>, <pbonzini@...hat.com>, <tglx@...utronix.de>,
        <mingo@...hat.com>, <bp@...en8.de>, <dave.hansen@...ux.intel.com>
CC:     <x86@...nel.org>, <hpa@...or.com>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH] KVM: x86: remove obsolete kvm_mmu_gva_to_gpa_fetch()

There's no caller. Remove it.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 arch/x86/include/asm/kvm_host.h |  2 --
 arch/x86/kvm/x86.c              | 10 ----------
 2 files changed, 12 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 2c96c43c313a..fe2ddc067fc9 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1896,8 +1896,6 @@ void kvm_mmu_free_roots(struct kvm *kvm, struct kvm_mmu *mmu,
 void kvm_mmu_free_guest_mode_roots(struct kvm *kvm, struct kvm_mmu *mmu);
 gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva,
 			      struct x86_exception *exception);
-gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva,
-			       struct x86_exception *exception);
 gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva,
 			       struct x86_exception *exception);
 gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 43a6a7efc6ec..b1649cd56ef1 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7063,16 +7063,6 @@ gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva,
 }
 EXPORT_SYMBOL_GPL(kvm_mmu_gva_to_gpa_read);
 
- gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva,
-				struct x86_exception *exception)
-{
-	struct kvm_mmu *mmu = vcpu->arch.walk_mmu;
-
-	u64 access = (static_call(kvm_x86_get_cpl)(vcpu) == 3) ? PFERR_USER_MASK : 0;
-	access |= PFERR_FETCH_MASK;
-	return mmu->gva_to_gpa(vcpu, mmu, gva, access, exception);
-}
-
 gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva,
 			       struct x86_exception *exception)
 {
-- 
2.23.0