diff options
| 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/kprobes.c | |
| parent | fecc868a668774b0fc666728c3f5d9f6fceefe64 (diff) | |
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/kprobes.c')
| -rw-r--r-- | arch/s390/kernel/kprobes.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 66490289b028..250f5972536a 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -310,7 +310,7 @@ static int kprobe_handler(struct pt_regs *regs) */ preempt_disable(); kcb = get_kprobe_ctlblk(); - p = get_kprobe((void *)((regs->psw.addr & PSW_ADDR_INSN) - 2)); + p = get_kprobe((void *)(regs->psw.addr - 2)); if (p) { if (kprobe_running()) { @@ -490,7 +490,7 @@ NOKPROBE_SYMBOL(trampoline_probe_handler); static void resume_execution(struct kprobe *p, struct pt_regs *regs) { struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); - unsigned long ip = regs->psw.addr & PSW_ADDR_INSN; + unsigned long ip = regs->psw.addr; int fixup = probe_get_fixup_type(p->ainsn.insn); /* Check if the kprobes location is an enabled ftrace caller */ @@ -605,7 +605,7 @@ static int kprobe_trap_handler(struct pt_regs *regs, int trapnr) * In case the user-specified fault handler returned * zero, try to fix up. */ - entry = search_exception_tables(regs->psw.addr & PSW_ADDR_INSN); + entry = search_exception_tables(regs->psw.addr); if (entry) { regs->psw.addr = extable_fixup(entry); return 1; |