diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-08-10 16:49:46 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-10 16:49:46 +0200 |
| commit | 636bf35880e5a79c2ecb10640137bbd9a4681cb7 (patch) | |
| tree | 919ea9ac007b72acb92a99fb7e28c8238a69573f /arch/s390/mm/pgtable.c | |
| parent | 276c87054751bb6adfa160a6e68e47b97592a897 (diff) | |
| parent | 8d31f80eb38819e4f2905ad21c0e8998382a08f7 (diff) | |
Merge branch 'linus' into x86/platform, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/s390/mm/pgtable.c')
| -rw-r--r-- | arch/s390/mm/pgtable.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index d4d409ba206b..4a1f7366b17a 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -591,11 +591,11 @@ void ptep_zap_key(struct mm_struct *mm, unsigned long addr, pte_t *ptep) unsigned long ptev; pgste_t pgste; - /* Clear storage key */ + /* Clear storage key ACC and F, but set R/C */ preempt_disable(); pgste = pgste_get_lock(ptep); - pgste_val(pgste) &= ~(PGSTE_ACC_BITS | PGSTE_FP_BIT | - PGSTE_GR_BIT | PGSTE_GC_BIT); + pgste_val(pgste) &= ~(PGSTE_ACC_BITS | PGSTE_FP_BIT); + pgste_val(pgste) |= PGSTE_GR_BIT | PGSTE_GC_BIT; ptev = pte_val(*ptep); if (!(ptev & _PAGE_INVALID) && (ptev & _PAGE_WRITE)) page_set_storage_key(ptev & PAGE_MASK, PAGE_DEFAULT_KEY, 1); |