From 09be9cb92bb9e799bdbfd3834595bd6b4703b40b Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Tue, 24 Nov 2015 12:55:35 +0100 Subject: s390/sclp: detect cmma Let's detect the Collaborative-memory-management-interpretation facility, aka CMM assist, so we can correctly enable cmma later. Signed-off-by: David Hildenbrand Signed-off-by: Christian Borntraeger --- drivers/s390/char/sclp_early.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index a05f2d07ea02..366e1a46e96d 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -115,6 +115,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) sclp.has_sprp = !!(sccb->fac84 & 0x02); sclp.has_core_type = !!(sccb->fac84 & 0x01); sclp.has_64bscao = !!(sccb->fac116 & 0x80); + sclp.has_cmma = !!(sccb->fac116 & 0x40); sclp.has_esca = !!(sccb->fac116 & 0x08); sclp.has_hvs = !!(sccb->fac119 & 0x80); if (sccb->fac85 & 0x02) -- cgit v1.2.3