/*
* It is possible to have multiple instances associated with a given
* task either because an multiple functions in the call path
- * have a return probe installed on them, and/or more then one return
+ * have a return probe installed on them, and/or more than one return
* return probe was registered for a target function.
*
* We can handle this because:
void __kprobes arch_remove_kprobe(struct kprobe *p)
{
- mutex_lock(&kprobe_mutex);
- free_insn_slot(p->ainsn.insn, p->ainsn.inst_flag & INST_FLAG_BOOSTABLE);
- mutex_unlock(&kprobe_mutex);
+ if (p->ainsn.insn) {
+ free_insn_slot(p->ainsn.insn,
+ p->ainsn.inst_flag & INST_FLAG_BOOSTABLE);
+ p->ainsn.insn = NULL;
+ }
}
/*
* We are resuming execution after a single step fault, so the pt_regs
return 1;
ss_probe:
-#if !defined(CONFIG_PREEMPT) || defined(CONFIG_PM)
+#if !defined(CONFIG_PREEMPT) || defined(CONFIG_FREEZER)
if (p->ainsn.inst_flag == INST_FLAG_BOOSTABLE && !p->post_handler) {
/* Boost up -- we can execute copied instructions directly */
ia64_psr(regs)->ri = p->ainsn.slot;