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| author |   Heiko Carstens <hca@linux.ibm.com> | 2022-03-06 11:15:27 +0100 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2022-03-08 00:33:01 +0100 |
| commit | 52b739e2780c7a15e5be06f1691d92ba5f962f79 (patch) | |
| tree | 0402fb86ad4746b810002bab622313d62d164463 /arch/s390/include/asm/lowcore.h | |
| parent | s390/signal: fix typo in comments (diff) | |
| download | linux-dev-52b739e2780c7a15e5be06f1691d92ba5f962f79.tar.xz linux-dev-52b739e2780c7a15e5be06f1691d92ba5f962f79.zip | |
s390/traps: get rid of magic cast for program interruption code
Add a proper union in lowcore to reflect architecture and get rid of a
"magic" cast in order to read the full program interruption code.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/lowcore.h')
| -rw-r--r-- | arch/s390/include/asm/lowcore.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index 1262f5003acf..28a2c6ba795e 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -34,8 +34,13 @@ struct lowcore { __u32 ext_int_code_addr; }; __u32 svc_int_code; /* 0x0088 */ - __u16 pgm_ilc; /* 0x008c */ - __u16 pgm_code; /* 0x008e */ + union { + struct { + __u16 pgm_ilc; /* 0x008c */ + __u16 pgm_code; /* 0x008e */ + }; + __u32 pgm_int_code; + }; __u32 data_exc_code; /* 0x0090 */ __u16 mon_class_num; /* 0x0094 */ __u8 per_code; /* 0x0096 */ |