X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Fia64%2Fkernel%2Fkprobes.c;h=5fd65d8302c8561e50cf12a576f0c54569c30d1d;hp=72e593e940531dc136af5334f83d29f00235ff31;hb=95b00786f3b8fa99f53931361beeb4c10504ad87;hpb=17cf8cc9439262cd90421435e0e8c7ab0af26833

diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index 72e593e94053..5fd65d8302c8 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -40,6 +40,8 @@ extern void jprobe_inst_return(void);
 DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
 DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
 
+struct kretprobe_blackpoint kretprobe_blacklist[] = {{NULL, NULL}};
+
 enum instruction_type {A, I, M, F, B, L, X, u};
 static enum instruction_type bundle_encoding[32][3] = {
   { M, I, I },				/* 00 */
@@ -151,12 +153,12 @@ static uint __kprobes is_cmp_ctype_unc_inst(uint template, uint slot,
 
 	cmp_inst.l = kprobe_inst;
 	if ((cmp_inst.f.x2 == 0) || (cmp_inst.f.x2 == 1)) {
-		/* Integere compare - Register Register (A6 type)*/
+		/* Integer compare - Register Register (A6 type)*/
 		if ((cmp_inst.f.tb == 0) && (cmp_inst.f.ta == 0)
 				&&(cmp_inst.f.c == 1))
 			ctype_unc = 1;
 	} else if ((cmp_inst.f.x2 == 2)||(cmp_inst.f.x2 == 3)) {
-		/* Integere compare - Immediate Register (A8 type)*/
+		/* Integer compare - Immediate Register (A8 type)*/
 		if ((cmp_inst.f.ta == 0) &&(cmp_inst.f.c == 1))
 			ctype_unc = 1;
 	}
@@ -820,7 +822,7 @@ out:
 	return 1;
 }
 
-static int __kprobes kprobes_fault_handler(struct pt_regs *regs, int trapnr)
+int __kprobes kprobes_fault_handler(struct pt_regs *regs, int trapnr)
 {
 	struct kprobe *cur = kprobe_running();
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -904,13 +906,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
 			if (post_kprobes_handler(args->regs))
 				ret = NOTIFY_STOP;
 		break;
-	case DIE_PAGE_FAULT:
-		/* kprobe_running() needs smp_processor_id() */
-		preempt_disable();
-		if (kprobe_running() &&
-			kprobes_fault_handler(args->regs, args->trapnr))
-			ret = NOTIFY_STOP;
-		preempt_enable();
 	default:
 		break;
 	}
@@ -943,10 +938,15 @@ static void ia64_get_bsp_cfm(struct unw_frame_info *info, void *arg)
 	return;
 }
 
+unsigned long arch_deref_entry_point(void *entry)
+{
+	return ((struct fnptr *)entry)->ip;
+}
+
 int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
 {
 	struct jprobe *jp = container_of(p, struct jprobe, kp);
-	unsigned long addr = ((struct fnptr *)(jp->entry))->ip;
+	unsigned long addr = arch_deref_entry_point(jp->entry);
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
 	struct param_bsp_cfm pa;
 	int bytes;
@@ -954,7 +954,7 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
 	/*
 	 * Callee owns the argument space and could overwrite it, eg
 	 * tail call optimization. So to be absolutely safe
-	 * we save the argument space before transfering the control
+	 * we save the argument space before transferring the control
 	 * to instrumented jprobe function which runs in
 	 * the process context
 	 */