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| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-11-24 12:51:52 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-10 12:07:18 +0200 |
| commit | b9e28897e6e9f82585ecf6ea45942866ece7d167 (patch) | |
| tree | 21c854ec094710d2d5cb0c9799464eb60540ebde | |
| parent | KVM: s390: handle missing 64-bit-SCAO facility (diff) | |
| download | linux-b9e28897e6e9f82585ecf6ea45942866ece7d167.tar.xz linux-b9e28897e6e9f82585ecf6ea45942866ece7d167.zip | |
s390/sclp: detect guest-PER enhancement
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>
| -rw-r--r-- | arch/s390/include/asm/sclp.h | 4 | ||||
| -rw-r--r-- | drivers/s390/char/sclp_early.c | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index 521400086e65..076f6318b6fa 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -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; diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index 211eb86ae62d..a05f2d07ea02 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -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; } |