diff options
| author | David Daney <ddaney@caviumnetworks.com> | 2011-04-27 19:39:28 -0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2011-05-10 13:15:26 -0400 |
| commit | 310f1303390758ee7688e350e117a7b50ba5fa05 (patch) | |
| tree | e89d9214c3bee93e681e1f4ac5e2d01b45ec7a82 /arch | |
| parent | f850548ef88e5ff9e40bae9e1a7140bef0653e6b (diff) | |
MIPS: Invalidate old TLB mappings when updating huge page PTEs.
Without this, stale Icache or TLB entries may be used.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
https://patchwork.linux-mips.org/patch/2318/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/hugetlb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h index f5e856015329..c565b7c3f0b5 100644 --- a/arch/mips/include/asm/hugetlb.h +++ b/arch/mips/include/asm/hugetlb.h | |||
| @@ -70,6 +70,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, | |||
| 70 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, | 70 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, |
| 71 | unsigned long addr, pte_t *ptep) | 71 | unsigned long addr, pte_t *ptep) |
| 72 | { | 72 | { |
| 73 | flush_tlb_mm(vma->vm_mm); | ||
| 73 | } | 74 | } |
| 74 | 75 | ||
| 75 | static inline int huge_pte_none(pte_t pte) | 76 | static inline int huge_pte_none(pte_t pte) |