summaryrefslogtreecommitdiffstats
path: root/drivers/s390/char/sclp_early.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/char/sclp_early.c')
-rw-r--r--drivers/s390/char/sclp_early.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index e792cee3b51c..8332788681c4 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -44,6 +44,8 @@ static void __init sclp_early_facilities_detect(struct read_info_sccb *sccb)
S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
if (sccb->fac91 & 0x40)
S390_lowcore.machine_flags |= MACHINE_FLAG_TLB_GUEST;
+ if (sccb->cpuoff > 134)
+ sclp.has_diag318 = !!(sccb->byte_134 & 0x80);
sclp.rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;
sclp.rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;
sclp.rzm <<= 20;