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>

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index b57be03..45f3aa5 100644 (file)
--- 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;