1 files changed, 1 insertions, 3 deletions

diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index 240143b616a2..9e5e39cea821 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -28,7 +28,6 @@ static int init_stub_pte(struct mm_struct *mm, unsigned long proc,
         pmd_t *pmd;
         pte_t *pte;
 
-        spin_lock(&mm->page_table_lock);
         pgd = pgd_offset(mm, proc);
         pud = pud_alloc(mm, pgd, proc);
         if (!pud)
@@ -63,7 +62,6 @@ static int init_stub_pte(struct mm_struct *mm, unsigned long proc,
         *pte = mk_pte(virt_to_page(kernel), __pgprot(_PAGE_PRESENT));
         *pte = pte_mkexec(*pte);
         *pte = pte_wrprotect(*pte);
-        spin_unlock(&mm->page_table_lock);
         return(0);
 
  out_pmd:
@@ -71,7 +69,6 @@ static int init_stub_pte(struct mm_struct *mm, unsigned long proc,
  out_pte:
         pmd_free(pmd);
  out:
-        spin_unlock(&mm->page_table_lock);
         return(-ENOMEM);
 }
 
@@ -147,6 +144,7 @@ void destroy_context_skas(struct mm_struct *mm)
 
         if(!proc_mm || !ptrace_faultinfo){
                 free_page(mmu->id.stack);
+                pte_lock_deinit(virt_to_page(mmu->last_page_table));
                 pte_free_kernel((pte_t *) mmu->last_page_table);
                 dec_page_state(nr_page_table_pages);
 #ifdef CONFIG_3_LEVEL_PGTABLES