diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2022-03-06 12:59:05 +0300 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2022-03-08 02:33:01 +0300 |
| commit | 998e78004fe4dd9219b039efe763e19d10d9a6f9 (patch) | |
| tree | ccc4df0bba7f90956a4996b112b4bd5b0a8ffae7 /arch/s390/include/asm/lowcore.h | |
| parent | 52b739e2780c7a15e5be06f1691d92ba5f962f79 (diff) | |
| download | linux-998e78004fe4dd9219b039efe763e19d10d9a6f9.tar.xz | |
s390/traps: get rid of magic cast for per code
Add a proper union in lowcore to reflect architecture and get rid of a
"magic" cast in order to read the full per 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 28a2c6ba795e..9829d6b44a20 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -43,8 +43,13 @@ struct lowcore { }; __u32 data_exc_code; /* 0x0090 */ __u16 mon_class_num; /* 0x0094 */ - __u8 per_code; /* 0x0096 */ - __u8 per_atmid; /* 0x0097 */ + union { + struct { + __u8 per_code; /* 0x0096 */ + __u8 per_atmid; /* 0x0097 */ + }; + __u16 per_code_combined; + }; __u64 per_address; /* 0x0098 */ __u8 exc_access_id; /* 0x00a0 */ __u8 per_access_id; /* 0x00a1 */ |