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| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-11-24 12:55:35 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-10 12:07:19 +0200 |
| commit | 09be9cb92bb9e799bdbfd3834595bd6b4703b40b (patch) | |
| tree | eea0216747a71f4e77b92bcdd85a4daabc88d54c /drivers/s390 | |
| parent | KVM: s390: guestdbg: signal missing hardware support (diff) | |
| download | linux-09be9cb92bb9e799bdbfd3834595bd6b4703b40b.tar.xz linux-09be9cb92bb9e799bdbfd3834595bd6b4703b40b.zip | |
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 <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.c | 1 |
1 files changed, 1 insertions, 0 deletions
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) |