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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2015-11-24 13:02:52 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-10 12:07:24 +0200
commit9c375490fc812ebdf3259ea2566c271d00544fc2 (patch)
treec7c3b448c1abb91d437fc9d06a2c3ee967eda281 /drivers/s390
parentKVM: s390: enable PFMFI only if available (diff)
downloadlinux-9c375490fc812ebdf3259ea2566c271d00544fc2.tar.xz
linux-9c375490fc812ebdf3259ea2566c271d00544fc2.zip
s390/sclp: detect interlock-and-broadcast-suppression facility
Let's detect that facility. Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/char/sclp_early.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index 500cbfd83541..d5b873c92ffc 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -120,6 +120,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
sclp.has_cmma = !!(sccb->fac116 & 0x40);
sclp.has_esca = !!(sccb->fac116 & 0x08);
sclp.has_pfmfi = !!(sccb->fac117 & 0x40);
+ sclp.has_ibs = !!(sccb->fac117 & 0x20);
sclp.has_hvs = !!(sccb->fac119 & 0x80);
if (sccb->fac85 & 0x02)
S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;