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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/oprofile | |
| parent | fecc868a668774b0fc666728c3f5d9f6fceefe64 (diff) | |
| download | op-kernel-dev-9cb1ccecb69d133e014b7be4de2609f689398c07.zip op-kernel-dev-9cb1ccecb69d133e014b7be4de2609f689398c07.tar.gz | |
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/oprofile')
| -rw-r--r-- | arch/s390/oprofile/backtrace.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/s390/oprofile/backtrace.c b/arch/s390/oprofile/backtrace.c index 8a6811b..fe0bfe3 100644 --- a/arch/s390/oprofile/backtrace.c +++ b/arch/s390/oprofile/backtrace.c @@ -16,24 +16,23 @@ __show_trace(unsigned int *depth, unsigned long sp, struct pt_regs *regs; while (*depth) { - sp = sp & PSW_ADDR_INSN; if (sp < low || sp > high - sizeof(*sf)) return sp; sf = (struct stack_frame *) sp; (*depth)--; - oprofile_add_trace(sf->gprs[8] & PSW_ADDR_INSN); + oprofile_add_trace(sf->gprs[8]); /* Follow the backchain. */ while (*depth) { low = sp; - sp = sf->back_chain & PSW_ADDR_INSN; + sp = sf->back_chain; if (!sp) break; if (sp <= low || sp > high - sizeof(*sf)) return sp; sf = (struct stack_frame *) sp; (*depth)--; - oprofile_add_trace(sf->gprs[8] & PSW_ADDR_INSN); + oprofile_add_trace(sf->gprs[8]); } @@ -46,7 +45,7 @@ __show_trace(unsigned int *depth, unsigned long sp, return sp; regs = (struct pt_regs *) sp; (*depth)--; - oprofile_add_trace(sf->gprs[8] & PSW_ADDR_INSN); + oprofile_add_trace(sf->gprs[8]); low = sp; sp = regs->gprs[15]; } |
