1 files changed, 8 insertions, 9 deletions

diff --git a/tools/testing/radix-tree/regression1.c b/tools/testing/radix-tree/regression1.c
index b4a4a7168986..a61c7bcbc72d 100644
--- a/tools/testing/radix-tree/regression1.c
+++ b/tools/testing/radix-tree/regression1.c
@@ -44,7 +44,6 @@
 #include "regression.h"
 
 static RADIX_TREE(mt_tree, GFP_KERNEL);
-static pthread_mutex_t mt_lock = PTHREAD_MUTEX_INITIALIZER;
 
 struct page {
         pthread_mutex_t lock;
@@ -126,29 +125,29 @@ static void *regression1_fn(void *arg)
                         struct page *p;
 
                         p = page_alloc(0);
-                        pthread_mutex_lock(&mt_lock);
+                        xa_lock(&mt_tree);
                         radix_tree_insert(&mt_tree, 0, p);
-                        pthread_mutex_unlock(&mt_lock);
+                        xa_unlock(&mt_tree);
 
                         p = page_alloc(1);
-                        pthread_mutex_lock(&mt_lock);
+                        xa_lock(&mt_tree);
                         radix_tree_insert(&mt_tree, 1, p);
-                        pthread_mutex_unlock(&mt_lock);
+                        xa_unlock(&mt_tree);
 
-                        pthread_mutex_lock(&mt_lock);
+                        xa_lock(&mt_tree);
                         p = radix_tree_delete(&mt_tree, 1);
                         pthread_mutex_lock(&p->lock);
                         p->count--;
                         pthread_mutex_unlock(&p->lock);
-                        pthread_mutex_unlock(&mt_lock);
+                        xa_unlock(&mt_tree);
                         page_free(p);
 
-                        pthread_mutex_lock(&mt_lock);
+                        xa_lock(&mt_tree);
                         p = radix_tree_delete(&mt_tree, 0);
                         pthread_mutex_lock(&p->lock);
                         p->count--;
                         pthread_mutex_unlock(&p->lock);
-                        pthread_mutex_unlock(&mt_lock);
+                        xa_unlock(&mt_tree);
                         page_free(p);
                 }
         } else {