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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2016-01-18 13:12:19 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-01-19 12:14:03 +0100 |
| commit | 9cb1ccecb69d133e014b7be4de2609f689398c07 (patch) | |
| tree | 1f1c79f80ad49efc0de749b4d8bc88a9135cd1da /arch/s390/kernel/process.c | |
| parent | fecc868a668774b0fc666728c3f5d9f6fceefe64 (diff) | |
| download | linux-0-day-9cb1ccecb69d133e014b7be4de2609f689398c07.tar.gz linux-0-day-9cb1ccecb69d133e014b7be4de2609f689398c07.tar.xz | |
s390: remove all usages of PSW_ADDR_INSN
Yet another leftover from the 31 bit era. The usual operation
"y = x & PSW_ADDR_INSN" with the PSW_ADDR_INSN mask is a nop for
CONFIG_64BIT.
Therefore remove all usages and hope the code is a bit less confusing.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Diffstat (limited to 'arch/s390/kernel/process.c')
| -rw-r--r-- | arch/s390/kernel/process.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 4a41eb7d66ccb..2bba7df4ac519 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -56,10 +56,10 @@ unsigned long thread_saved_pc(struct task_struct *tsk) return 0; low = task_stack_page(tsk); high = (struct stack_frame *) task_pt_regs(tsk); - sf = (struct stack_frame *) (tsk->thread.ksp & PSW_ADDR_INSN); + sf = (struct stack_frame *) tsk->thread.ksp; if (sf <= low || sf > high) return 0; - sf = (struct stack_frame *) (sf->back_chain & PSW_ADDR_INSN); + sf = (struct stack_frame *) sf->back_chain; if (sf <= low || sf > high) return 0; return sf->gprs[8]; @@ -220,14 +220,14 @@ unsigned long get_wchan(struct task_struct *p) return 0; low = task_stack_page(p); high = (struct stack_frame *) task_pt_regs(p); - sf = (struct stack_frame *) (p->thread.ksp & PSW_ADDR_INSN); + sf = (struct stack_frame *) p->thread.ksp; if (sf <= low || sf > high) return 0; for (count = 0; count < 16; count++) { - sf = (struct stack_frame *) (sf->back_chain & PSW_ADDR_INSN); + sf = (struct stack_frame *) sf->back_chain; if (sf <= low || sf > high) return 0; - return_address = sf->gprs[8] & PSW_ADDR_INSN; + return_address = sf->gprs[8]; if (!in_sched_functions(return_address)) return return_address; } |