diff options
Diffstat (limited to 'arch/um/kernel/skas/mmu.c')
| -rw-r--r-- | arch/um/kernel/skas/mmu.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c index 240143b616a..9e5e39cea82 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 |