linux-kernel - [PATCH 04/19] KVM: x86/tdp_mmu: Remove unused "kvm" of kvm_tdp_mmu_get

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Message-Id: <20220125095909.38122-5-cloudliang@tencent.com>
Date:   Tue, 25 Jan 2022 17:58:54 +0800
From:   Jinrong Liang <ljr.kernel@...il.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Xianting Tian <xianting.tian@...ux.alibaba.com>,
        Jim Mattson <jmattson@...gle.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 04/19] KVM: x86/tdp_mmu: Remove unused "kvm" of kvm_tdp_mmu_get_root()

From: Jinrong Liang <cloudliang@...cent.com>

The "struct kvm *kvm" parameter of kvm_tdp_mmu_get_root() is not used,
so remove it. No functional change intended.

Signed-off-by: Jinrong Liang <cloudliang@...cent.com>
---
 arch/x86/kvm/mmu/tdp_mmu.c | 4 ++--
 arch/x86/kvm/mmu/tdp_mmu.h | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index bc9e3553fba2..d0c85d114574 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -121,7 +121,7 @@ static struct kvm_mmu_page *tdp_mmu_next_root(struct kvm *kvm,
 		next_root = list_first_or_null_rcu(&kvm->arch.tdp_mmu_roots,
 						   typeof(*next_root), link);
 
-	while (next_root && !kvm_tdp_mmu_get_root(kvm, next_root))
+	while (next_root && !kvm_tdp_mmu_get_root(next_root))
 		next_root = list_next_or_null_rcu(&kvm->arch.tdp_mmu_roots,
 				&next_root->link, typeof(*next_root), link);
 
@@ -203,7 +203,7 @@ hpa_t kvm_tdp_mmu_get_vcpu_root_hpa(struct kvm_vcpu *vcpu)
 	/* Check for an existing root before allocating a new one. */
 	for_each_tdp_mmu_root(kvm, root, kvm_mmu_role_as_id(role)) {
 		if (root->role.word == role.word &&
-		    kvm_tdp_mmu_get_root(kvm, root))
+		    kvm_tdp_mmu_get_root(root))
 			goto out;
 	}
 
diff --git a/arch/x86/kvm/mmu/tdp_mmu.h b/arch/x86/kvm/mmu/tdp_mmu.h
index 3899004a5d91..599714de67c3 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.h
+++ b/arch/x86/kvm/mmu/tdp_mmu.h
@@ -7,8 +7,7 @@
 
 hpa_t kvm_tdp_mmu_get_vcpu_root_hpa(struct kvm_vcpu *vcpu);
 
-__must_check static inline bool kvm_tdp_mmu_get_root(struct kvm *kvm,
-						     struct kvm_mmu_page *root)
+__must_check static inline bool kvm_tdp_mmu_get_root(struct kvm_mmu_page *root)
 {
 	if (root->role.invalid)
 		return false;
-- 
2.33.1