diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c index 125fb4b54445..db277b6d8e8b 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -38,16 +38,16 @@ static inline int is_exec_fault(void) /* We only try to do i/d cache coherency on stuff that looks like * reasonably "normal" PTEs. We currently require a PTE to be present - * and we avoid _PAGE_SPECIAL and _PAGE_NO_CACHE. We also only do that + * and we avoid _PAGE_SPECIAL and cache inhibited pte. We also only do that * on userspace PTEs */ static inline int pte_looks_normal(pte_t pte) { #if defined(CONFIG_PPC_BOOK3S_64) - if ((pte_val(pte) & - (_PAGE_PRESENT | _PAGE_SPECIAL | _PAGE_NO_CACHE)) == - _PAGE_PRESENT) { + if ((pte_val(pte) & (_PAGE_PRESENT | _PAGE_SPECIAL)) == _PAGE_PRESENT) { + if (pte_ci(pte)) + return 0; if (pte_user(pte)) return 1; } |