MIPS: Implement HAVE_CONTEXT_TRACKING.

This enables support for CONFIG_NO_HZ_FULL.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 13 insertions, 2 deletions

diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 0fead53d1c26..85df1cd8d446 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -5,6 +5,7 @@
  *
  * Copyright (C) 1995 - 2000 by Ralf Baechle
  */
+#include <linux/context_tracking.h>
 #include <linux/signal.h>
 #include <linux/sched.h>
 #include <linux/interrupt.h>
@@ -32,8 +33,8 @@
  * and the problem, and then passes it off to one of the appropriate
  * routines.
  */
-asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, unsigned long write,
-                              unsigned long address)
+static void __kprobes __do_page_fault(struct pt_regs *regs, unsigned long write,
+        unsigned long address)
 {
         struct vm_area_struct * vma = NULL;
         struct task_struct *tsk = current;
@@ -312,3 +313,13 @@ vmalloc_fault:
         }
 #endif
 }
+
+asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
+        unsigned long write, unsigned long address)
+{
+        enum ctx_state prev_state;
+
+        prev_state = exception_enter();
+        __do_page_fault(regs, write, address);
+        exception_exit(prev_state);
+}