From c3fc5cd5c5a5f4738776a965a020a32c1a37c8fd Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 29 May 2013 01:07:19 +0200
Subject: MIPS: Implement HAVE_CONTEXT_TRACKING.

This enables support for CONFIG_NO_HZ_FULL.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/signal.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'arch/mips/kernel/signal.c')

diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index fd3ef2c2afb..2f285abc76d 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -8,6 +8,7 @@
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  */
 #include <linux/cache.h>
+#include <linux/context_tracking.h>
 #include <linux/irqflags.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
@@ -573,6 +574,8 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
 {
 	local_irq_enable();
 
+	user_exit();
+
 	/* deal with pending signal delivery */
 	if (thread_info_flags & _TIF_SIGPENDING)
 		do_signal(regs);
@@ -581,6 +584,8 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
 		clear_thread_flag(TIF_NOTIFY_RESUME);
 		tracehook_notify_resume(regs);
 	}
+
+	user_enter();
 }
 
 #ifdef CONFIG_SMP
-- 
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