linux-kernel - [PATCH 12/12] KVM: X86/MMU: Rename struct kvm_mmu_pages to struct kvm_mmu_page

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Message-Id: <20220605064342.309219-13-jiangshanlai@gmail.com>
Date:   Sun,  5 Jun 2022 14:43:42 +0800
From:   Lai Jiangshan <jiangshanlai@...il.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>
Cc:     Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Maxim Levitsky <mlevitsk@...hat.com>,
        Lai Jiangshan <jiangshan.ljs@...group.com>
Subject: [PATCH 12/12] KVM: X86/MMU: Rename struct kvm_mmu_pages to struct kvm_mmu_page_vec

From: Lai Jiangshan <jiangshan.ljs@...group.com>

It is implemented as a vector and variable names for it are pvec.

Rename it to kvm_mmu_page_vec for better describing it.

Signed-off-by: Lai Jiangshan <jiangshan.ljs@...group.com>
---
 arch/x86/kvm/mmu/mmu.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 7cfc4bc89f60..64e0d155068c 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -1742,12 +1742,12 @@ static int nonpaging_sync_page(struct kvm_vcpu *vcpu,
 
 #define KVM_PAGE_ARRAY_NR 16
 
-struct kvm_mmu_pages {
+struct kvm_mmu_page_vec {
 	struct kvm_mmu_page *sp[KVM_PAGE_ARRAY_NR];
 	unsigned int nr;
 };
 
-static int mmu_pages_add(struct kvm_mmu_pages *pvec, struct kvm_mmu_page *sp)
+static int mmu_pages_add(struct kvm_mmu_page_vec *pvec, struct kvm_mmu_page *sp)
 {
 	int i;
 
@@ -1768,7 +1768,7 @@ static inline void clear_unsync_child_bit(struct kvm_mmu_page *sp, int idx)
 }
 
 static int __mmu_unsync_walk_and_clear(struct kvm_mmu_page *sp,
-			   struct kvm_mmu_pages *pvec)
+			   struct kvm_mmu_page_vec *pvec)
 {
 	int i, ret, nr_unsync_leaf = 0;
 
@@ -1808,7 +1808,7 @@ static int __mmu_unsync_walk_and_clear(struct kvm_mmu_page *sp,
 }
 
 static int mmu_unsync_walk_and_clear(struct kvm_mmu_page *sp,
-			   struct kvm_mmu_pages *pvec)
+			   struct kvm_mmu_page_vec *pvec)
 {
 	pvec->nr = 0;
 	if (!sp->unsync_children)
@@ -1885,7 +1885,7 @@ static bool is_obsolete_sp(struct kvm *kvm, struct kvm_mmu_page *sp)
 	       unlikely(sp->mmu_valid_gen != kvm->arch.mmu_valid_gen);
 }
 
-#define for_each_sp(pvec, sp, i)					\
+#define page_vec_for_each_sp(pvec, sp, i)					\
 		for (i = 0; i < pvec.nr && ({ sp = pvec.sp[i]; 1;}); i++)
 
 static int mmu_sync_children(struct kvm_vcpu *vcpu,
@@ -1893,14 +1893,14 @@ static int mmu_sync_children(struct kvm_vcpu *vcpu,
 {
 	int i;
 	struct kvm_mmu_page *sp;
-	struct kvm_mmu_pages pages;
+	struct kvm_mmu_page_vec pvec;
 	LIST_HEAD(invalid_list);
 	bool flush = false;
 
-	while (mmu_unsync_walk_and_clear(parent, &pages)) {
+	while (mmu_unsync_walk_and_clear(parent, &pvec)) {
 		bool protected = false;
 
-		for_each_sp(pages, sp, i)
+		page_vec_for_each_sp(pvec, sp, i)
 			protected |= kvm_vcpu_write_protect_gfn(vcpu, sp->gfn);
 
 		if (protected) {
@@ -1908,7 +1908,7 @@ static int mmu_sync_children(struct kvm_vcpu *vcpu,
 			flush = false;
 		}
 
-		for_each_sp(pages, sp, i) {
+		page_vec_for_each_sp(pvec, sp, i) {
 			kvm_mmu_page_clear_unsync(vcpu->kvm, sp);
 			flush |= kvm_sync_page(vcpu, sp, &invalid_list) > 0;
 		}
@@ -2208,15 +2208,15 @@ static int mmu_zap_unsync_children(struct kvm *kvm,
 				   struct list_head *invalid_list)
 {
 	int i, zapped = 0;
-	struct kvm_mmu_pages pages;
+	struct kvm_mmu_page_vec pvec;
 
 	if (parent->role.level == PG_LEVEL_4K)
 		return 0;
 
-	while (mmu_unsync_walk_and_clear(parent, &pages)) {
+	while (mmu_unsync_walk_and_clear(parent, &pvec)) {
 		struct kvm_mmu_page *sp;
 
-		for_each_sp(pages, sp, i) {
+		page_vec_for_each_sp(pvec, sp, i) {
 			kvm_mmu_prepare_zap_page(kvm, sp, invalid_list);
 			zapped++;
 		}
-- 
2.19.1.6.gb485710b