| Message ID | 20180213162321.20522-10-david@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/lib/s390x/mmu.c b/lib/s390x/mmu.c index f0ec7c3..288f835 100644 --- a/lib/s390x/mmu.c +++ b/lib/s390x/mmu.c @@ -30,6 +30,7 @@ void configure_dat(int enable) static void mmu_enable(pgd_t *pgtable) { + struct lowcore *lc = NULL; const uint64_t asce = __pa(pgtable) | ASCE_DT_REGION1 | REGION_TABLE_LENGTH; @@ -39,6 +40,9 @@ static void mmu_enable(pgd_t *pgtable) /* enable dat (primary == 0 set as default) */ configure_dat(1); + + /* we can now also use DAT unconditionally in our PGM handler */ + lc->pgm_new_psw.mask |= PSW_MASK_DAT; } static pteval_t *get_pte(pgd_t *pgtable, uintptr_t vaddr)
Configure it in setup_vm(). Signed-off-by: David Hildenbrand <david@redhat.com> --- lib/s390x/mmu.c | 4 ++++ 1 file changed, 4 insertions(+)