diff options
Diffstat (limited to 'arch/ia64/kernel/kprobes.c')
| -rw-r--r-- | arch/ia64/kernel/kprobes.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 96736a119c91..801eeaeaf3de 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -347,7 +347,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) ((struct fnptr *)kretprobe_trampoline)->ip; spin_lock_irqsave(&kretprobe_lock, flags); - head = kretprobe_inst_table_head(current); + head = kretprobe_inst_table_head(current); /* * It is possible to have multiple instances associated with a given @@ -363,9 +363,9 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) * kretprobe_trampoline */ hlist_for_each_entry_safe(ri, node, tmp, head, hlist) { - if (ri->task != current) + if (ri->task != current) /* another task is sharing our hash bucket */ - continue; + continue; if (ri->rp && ri->rp->handler) ri->rp->handler(ri, regs); @@ -394,7 +394,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) * kprobe_handler() that we don't want the post_handler * to run (and have re-enabled preemption) */ - return 1; + return 1; } /* Called with kretprobe_lock held */ @@ -739,12 +739,16 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, switch(val) { case DIE_BREAK: - if (pre_kprobes_handler(args)) - ret = NOTIFY_STOP; + /* err is break number from ia64_bad_break() */ + if (args->err == 0x80200 || args->err == 0x80300) + if (pre_kprobes_handler(args)) + ret = NOTIFY_STOP; break; - case DIE_SS: - if (post_kprobes_handler(args->regs)) - ret = NOTIFY_STOP; + case DIE_FAULT: + /* err is vector number from ia64_fault() */ + if (args->err == 36) + if (post_kprobes_handler(args->regs)) + ret = NOTIFY_STOP; break; case DIE_PAGE_FAULT: /* kprobe_running() needs smp_processor_id() */ |