diff options
Diffstat (limited to 'arch/x86/mm/pgtable.c')
| -rw-r--r-- | arch/x86/mm/pgtable.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 4bfbe4cb6978..0d66aeb703a1 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -875,6 +875,9 @@ int pmd_free_pte_page(pmd_t *pmd, unsigned long addr) pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma) { + if (vma->vm_flags & VM_SHADOW_STACK) + return pte_mkwrite_shstk(pte); + pte = pte_mkwrite_novma(pte); return pte_clear_saveddirty(pte); @@ -882,6 +885,9 @@ pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma) pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma) { + if (vma->vm_flags & VM_SHADOW_STACK) + return pmd_mkwrite_shstk(pmd); + pmd = pmd_mkwrite_novma(pmd); return pmd_clear_saveddirty(pmd); |