redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

s390/sclp: detect guest-PER enhancement

Browse source 
Let's detect that facility, so we can correctly handle its abscence.

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
David Hildenbrand 2015-11-24 12:51:52 +01:00 committed by Christian Borntraeger
parent 76a6dd7241
commit b9e28897e6
2 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/s390/include/asm/sclp.h
View file

@ -33,7 +33,8 @@ struct sclp_core_entry {
u8 : 4;
u8 sief2 : 1;
u8 : 3;
u8 : 3;
u8 : 2;
u8 gpere : 1;
u8 siif : 1;
u8 sigpif : 1;
u8 : 3;
@ -60,6 +61,7 @@ struct sclp_info {
unsigned char has_esca : 1;
unsigned char has_sief2 : 1;
unsigned char has_64bscao : 1;
unsigned char has_gpere : 1;
unsigned int ibc;
unsigned int mtid;
unsigned int mtid_cp;

1
drivers/s390/char/sclp_early.c
View file

@ -146,6 +146,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
sclp.has_siif = cpue->siif;
sclp.has_sigpif = cpue->sigpif;
sclp.has_sief2 = cpue->sief2;
sclp.has_gpere = cpue->gpere;
break;
}