KVM: x86: use the fast way to invalidate all pages

Replace kvm_mmu_zap_all by kvm_mmu_invalidate_zap_all_pages

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

2 files changed, 2 insertions, 17 deletions

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d71bf8fcccf8..c8063b9b30ee 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -4194,21 +4194,6 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot)
         spin_unlock(&kvm->mmu_lock);
 }
 
-void kvm_mmu_zap_all(struct kvm *kvm)
-{
-        struct kvm_mmu_page *sp, *node;
-        LIST_HEAD(invalid_list);
-
-        spin_lock(&kvm->mmu_lock);
-restart:
-        list_for_each_entry_safe(sp, node, &kvm->arch.active_mmu_pages, link)
-                if (kvm_mmu_prepare_zap_page(kvm, sp, &invalid_list))
-                        goto restart;
-
-        kvm_mmu_commit_zap_page(kvm, &invalid_list);
-        spin_unlock(&kvm->mmu_lock);
-}
-
 static void kvm_zap_obsolete_pages(struct kvm *kvm)
 {
         struct kvm_mmu_page *sp, *node;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3758ff910d1f..15e10f7e68ac 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7066,13 +7066,13 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
 
 void kvm_arch_flush_shadow_all(struct kvm *kvm)
 {
-        kvm_mmu_zap_all(kvm);
+        kvm_mmu_invalidate_zap_all_pages(kvm);
 }
 
 void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
                                    struct kvm_memory_slot *slot)
 {
-        kvm_arch_flush_shadow_all(kvm);
+        kvm_mmu_invalidate_zap_all_pages(kvm);
 }
 
 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)