diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-05-31 09:26:31 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-06-01 06:47:34 +0300 |
| commit | 157d4d0620879b7d89ca1e3cd7bf0be1e29be198 (patch) | |
| tree | 691cca75be337bdc830d4af4ae16f9f3fdafa272 | |
| parent | dc47c0c1f8099fccb2c1e2f3775855066a9e4484 (diff) | |
| download | linux-157d4d0620879b7d89ca1e3cd7bf0be1e29be198.tar.xz | |
powerpc/mm/radix: Add missing tlb flush
This should not have any impact on hash, because hash does tlb
invalidate with every pte update and we don't implement
flush_tlb_* functions for hash. With radix we should make an explicit
call to flush tlb outside pte update.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/mm/pgtable-book3s64.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c index eb4451144746..670318766545 100644 --- a/arch/powerpc/mm/pgtable-book3s64.c +++ b/arch/powerpc/mm/pgtable-book3s64.c @@ -33,10 +33,7 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address, changed = !pmd_same(*(pmdp), entry); if (changed) { __ptep_set_access_flags(pmdp_ptep(pmdp), pmd_pte(entry)); - /* - * Since we are not supporting SW TLB systems, we don't - * have any thing similar to flush_tlb_page_nohash() - */ + flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); } return changed; } |