linux-kernel - [PATCH] KVM: x86/tdp_mmu: Remove tdp_mmu_for_each

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Message-ID: <20250226074131.312565-1-nik.borisov@suse.com>
Date: Wed, 26 Feb 2025 09:41:31 +0200
From: Nikolay Borisov <nik.borisov@...e.com>
To: kvm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	pbonzini@...hat.com,
	seanjc@...gle.com,
	Nikolay Borisov <nik.borisov@...e.com>
Subject: [PATCH] KVM: x86/tdp_mmu: Remove tdp_mmu_for_each_pte()

That macro acts as a different name for for_each_tdp_pte, apart from
adding cognitive load it doesn't bring any value. Let's remove it.

Signed-off-by: Nikolay Borisov <nik.borisov@...e.com>
---
 arch/x86/kvm/mmu/tdp_mmu.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 046b6ba31197..e5ba33e8ba4a 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -774,9 +774,6 @@ static inline void tdp_mmu_iter_set_spte(struct kvm *kvm, struct tdp_iter *iter,
 			continue;					\
 		else
 
-#define tdp_mmu_for_each_pte(_iter, _kvm, _root, _start, _end)	\
-	for_each_tdp_pte(_iter, _kvm, _root, _start, _end)
-
 static inline bool __must_check tdp_mmu_iter_need_resched(struct kvm *kvm,
 							  struct tdp_iter *iter)
 {
@@ -1235,7 +1232,7 @@ int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault)
 
 	rcu_read_lock();
 
-	tdp_mmu_for_each_pte(iter, kvm, root, fault->gfn, fault->gfn + 1) {
+	for_each_tdp_pte(iter, kvm, root, fault->gfn, fault->gfn + 1) {
 		int r;
 
 		if (fault->nx_huge_page_workaround_enabled)
@@ -1904,7 +1901,7 @@ int kvm_tdp_mmu_get_walk(struct kvm_vcpu *vcpu, u64 addr, u64 *sptes,
 
 	*root_level = vcpu->arch.mmu->root_role.level;
 
-	tdp_mmu_for_each_pte(iter, vcpu->kvm, root, gfn, gfn + 1) {
+	for_each_tdp_pte(iter, vcpu->kvm, root, gfn, gfn + 1) {
 		leaf = iter.level;
 		sptes[leaf] = iter.old_spte;
 	}
@@ -1931,7 +1928,7 @@ u64 *kvm_tdp_mmu_fast_pf_get_last_sptep(struct kvm_vcpu *vcpu, gfn_t gfn,
 	struct tdp_iter iter;
 	tdp_ptep_t sptep = NULL;
 
-	tdp_mmu_for_each_pte(iter, vcpu->kvm, root, gfn, gfn + 1) {
+	for_each_tdp_pte(iter, vcpu->kvm, root, gfn, gfn + 1) {
 		*spte = iter.old_spte;
 		sptep = iter.sptep;
 	}
-- 
2.43.0