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| author | Jens Freimann <jfrei@linux.vnet.ibm.com> | 2014-02-26 19:32:46 +0400 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-04-22 15:24:48 +0400 |
| commit | 21ee7ffd176a238cf185c142bd4c20d0152eda4f (patch) | |
| tree | 3a77853dd42472cee02ad9b30571a29fb0e391af | |
| parent | 3d53b46ce8b1b873cf8501bac251b8c0cf489d4f (diff) | |
| download | linux-21ee7ffd176a238cf185c142bd4c20d0152eda4f.tar.xz | |
s390: rename and split lowcore field per_perc_atmid
per_perc_atmid is currently a two-byte field that combines two
fields, the PER code and the PER Addressing-and-Translation-Mode
Identification (ATMID)
Let's make them accessible indepently and also rename per_cause to
per_code.
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
| -rw-r--r-- | arch/s390/include/asm/lowcore.h | 6 | ||||
| -rw-r--r-- | arch/s390/kernel/asm-offsets.c | 5 | ||||
| -rw-r--r-- | arch/s390/kernel/entry.S | 4 | ||||
| -rw-r--r-- | arch/s390/kernel/entry64.S | 4 |
4 files changed, 11 insertions, 8 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index edfa89b67e78..e88cb8c54130 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -56,7 +56,8 @@ struct _lowcore { __u16 pgm_code; /* 0x008e */ __u32 trans_exc_code; /* 0x0090 */ __u16 mon_class_num; /* 0x0094 */ - __u16 per_perc_atmid; /* 0x0096 */ + __u8 per_code; /* 0x0096 */ + __u8 per_atmid; /* 0x0097 */ __u32 per_address; /* 0x0098 */ __u32 monitor_code; /* 0x009c */ __u8 exc_access_id; /* 0x00a0 */ @@ -196,7 +197,8 @@ struct _lowcore { __u16 pgm_code; /* 0x008e */ __u32 data_exc_code; /* 0x0090 */ __u16 mon_class_num; /* 0x0094 */ - __u16 per_perc_atmid; /* 0x0096 */ + __u8 per_code; /* 0x0096 */ + __u8 per_atmid; /* 0x0097 */ __u64 per_address; /* 0x0098 */ __u8 exc_access_id; /* 0x00a0 */ __u8 per_access_id; /* 0x00a1 */ diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 94c18d482ce7..31e4ba4aaf17 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -89,9 +89,10 @@ int main(void) DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc)); DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code)); DEFINE(__LC_TRANS_EXC_CODE, offsetof(struct _lowcore, trans_exc_code)); - DEFINE(__LC_PER_CAUSE, offsetof(struct _lowcore, per_perc_atmid)); + DEFINE(__LC_PER_CODE, offsetof(struct _lowcore, per_code)); + DEFINE(__LC_PER_ATMID, offsetof(struct _lowcore, per_atmid)); DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address)); - DEFINE(__LC_PER_PAID, offsetof(struct _lowcore, per_access_id)); + DEFINE(__LC_PER_ACCESS_ID, offsetof(struct _lowcore, per_access_id)); DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_mode_id)); DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id)); DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr)); diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 1662038516c0..e66f046b9c43 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -391,8 +391,8 @@ ENTRY(pgm_check_handler) jz pgm_kprobe oi __TI_flags+3(%r12),_TIF_PER_TRAP mvc __THREAD_per_address(4,%r1),__LC_PER_ADDRESS - mvc __THREAD_per_cause(2,%r1),__LC_PER_CAUSE - mvc __THREAD_per_paid(1,%r1),__LC_PER_PAID + mvc __THREAD_per_cause(2,%r1),__LC_PER_CODE + mvc __THREAD_per_paid(1,%r1),__LC_PER_ACCESS_ID 0: REENABLE_IRQS xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) l %r1,BASED(.Ljump_table) diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 5963e43618bb..3c34753de6ad 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -423,8 +423,8 @@ ENTRY(pgm_check_handler) jz pgm_kprobe oi __TI_flags+7(%r12),_TIF_PER_TRAP mvc __THREAD_per_address(8,%r14),__LC_PER_ADDRESS - mvc __THREAD_per_cause(2,%r14),__LC_PER_CAUSE - mvc __THREAD_per_paid(1,%r14),__LC_PER_PAID + mvc __THREAD_per_cause(2,%r14),__LC_PER_CODE + mvc __THREAD_per_paid(1,%r14),__LC_PER_ACCESS_ID 0: REENABLE_IRQS xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) larl %r1,pgm_check_table |