diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
index 7a2ad5e..7bd01a5 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -175,6 +175,24 @@
 }
 
 /*
+ * Restores the breakpoint on the debug registers.
+ * Invoke this function if it is known that the execution context is
+ * about to change to cause loss of MSR_SE settings.
+ */
+void thread_change_pc(struct task_struct *tsk, struct pt_regs *regs)
+{
+	struct arch_hw_breakpoint *info;
+
+	if (likely(!tsk->thread.last_hit_ubp))
+		return;
+
+	info = counter_arch_bp(tsk->thread.last_hit_ubp);
+	regs->msr &= ~MSR_SE;
+	set_dabr(info->address | info->type | DABR_TRANSLATION);
+	tsk->thread.last_hit_ubp = NULL;
+}
+
+/*
  * Handle debug exception notifications.
  */
 int __kprobes hw_breakpoint_handler(struct die_args *args)
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index a0afb55..7109f5b 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -11,6 +11,7 @@
 
 #include <linux/tracehook.h>
 #include <linux/signal.h>
+#include <asm/hw_breakpoint.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 
@@ -149,6 +150,8 @@
 	if (current->thread.dabr)
 		set_dabr(current->thread.dabr);
 #endif
+	/* Re-enable the breakpoints for the signal stack */
+	thread_change_pc(current, regs);
 
 	if (is32) {
         	if (ka.sa.sa_flags & SA_SIGINFO)