KVM: MMU: remove unused parameter in mmu_parent_walk()

'vcpu' is unused, remove it

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 11 insertions, 13 deletions

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index b57be03d442c..45f3aa5213c5 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -173,7 +173,7 @@ struct kvm_shadow_walk_iterator {
              shadow_walk_okay(&(_walker));                      \
              shadow_walk_next(&(_walker)))
 
-typedef int (*mmu_parent_walk_fn) (struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp);
+typedef int (*mmu_parent_walk_fn) (struct kvm_mmu_page *sp);
 
 static struct kmem_cache *pte_chain_cache;
 static struct kmem_cache *rmap_desc_cache;
@@ -1001,8 +1001,7 @@ static void mmu_page_remove_parent_pte(struct kvm_mmu_page *sp,
 }
 
 
-static void mmu_parent_walk(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
-                            mmu_parent_walk_fn fn)
+static void mmu_parent_walk(struct kvm_mmu_page *sp, mmu_parent_walk_fn fn)
 {
         struct kvm_pte_chain *pte_chain;
         struct hlist_node *node;
@@ -1011,8 +1010,8 @@ static void mmu_parent_walk(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
 
         if (!sp->multimapped && sp->parent_pte) {
                 parent_sp = page_header(__pa(sp->parent_pte));
-                fn(vcpu, parent_sp);
-                mmu_parent_walk(vcpu, parent_sp, fn);
+                fn(parent_sp);
+                mmu_parent_walk(parent_sp, fn);
                 return;
         }
         hlist_for_each_entry(pte_chain, node, &sp->parent_ptes, link)
@@ -1020,8 +1019,8 @@ static void mmu_parent_walk(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
                         if (!pte_chain->parent_ptes[i])
                                 break;
                         parent_sp = page_header(__pa(pte_chain->parent_ptes[i]));
-                        fn(vcpu, parent_sp);
-                        mmu_parent_walk(vcpu, parent_sp, fn);
+                        fn(parent_sp);
+                        mmu_parent_walk(parent_sp, fn);
                 }
 }
 
@@ -1058,16 +1057,15 @@ static void kvm_mmu_update_parents_unsync(struct kvm_mmu_page *sp)
                 }
 }
 
-static int unsync_walk_fn(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
+static int unsync_walk_fn(struct kvm_mmu_page *sp)
 {
         kvm_mmu_update_parents_unsync(sp);
         return 1;
 }
 
-static void kvm_mmu_mark_parents_unsync(struct kvm_vcpu *vcpu,
-                                        struct kvm_mmu_page *sp)
+static void kvm_mmu_mark_parents_unsync(struct kvm_mmu_page *sp)
 {
-        mmu_parent_walk(vcpu, sp, unsync_walk_fn);
+        mmu_parent_walk(sp, unsync_walk_fn);
         kvm_mmu_update_parents_unsync(sp);
 }
 
@@ -1345,7 +1343,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
                         mmu_page_add_parent_pte(vcpu, sp, parent_pte);
                         if (sp->unsync_children) {
                                 set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests);
-                                kvm_mmu_mark_parents_unsync(vcpu, sp);
+                                kvm_mmu_mark_parents_unsync(sp);
                         }
                         trace_kvm_mmu_get_page(sp, false);
                         return sp;
@@ -1759,7 +1757,7 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
         ++vcpu->kvm->stat.mmu_unsync;
         sp->unsync = 1;
 
-        kvm_mmu_mark_parents_unsync(vcpu, sp);
+        kvm_mmu_mark_parents_unsync(sp);
 
         mmu_convert_notrap(sp);
         return 0;