diff options
Diffstat (limited to 'drivers/s390/char/sclp.h')
-rw-r--r-- | drivers/s390/char/sclp.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h index 448ed25bf6b8..6de919944a39 100644 --- a/drivers/s390/char/sclp.h +++ b/drivers/s390/char/sclp.h @@ -156,7 +156,11 @@ struct read_cpu_info_sccb { u16 offset_configured; u16 nr_standby; u16 offset_standby; - u8 reserved[4096 - 16]; + /* + * Without ext sccb, struct size is PAGE_SIZE. + * With ext sccb, struct size is EXT_SCCB_READ_CPU. + */ + u8 reserved[]; } __attribute__((packed, aligned(PAGE_SIZE))); struct read_info_sccb { @@ -199,7 +203,7 @@ struct read_info_sccb { u8 byte_134; /* 134 */ u8 cpudirq; /* 135 */ u16 cbl; /* 136-137 */ - u8 _pad_138[4096 - 138]; /* 138-4095 */ + u8 _pad_138[EXT_SCCB_READ_SCP - 138]; } __packed __aligned(PAGE_SIZE); struct read_storage_sccb { |