From: David Daney <ddaney@avtrex.com>
Date: Tue, 23 Sep 2008 07:09:51 +0000 (-0700)
Subject: MIPS: Scheduler support for HARDWARE_WATCHPOINTS.
X-Git-Tag: v2.6.28-rc1~719^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2c708cbaa6031b73be6b992adb3ec1811f91cdb1;p=platform%2Fkernel%2Flinux-exynos.git

MIPS: Scheduler support for HARDWARE_WATCHPOINTS.

Here we hook up the scheduler.  Whenever we switch to a new process,
we check to see if the watch registers should be installed, and do it
if needed.

Signed-off-by: David Daney <ddaney@avtrex.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h
index a944eda..cd30f83 100644
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@@ -20,6 +20,7 @@
 #include <asm/cmpxchg.h>
 #include <asm/cpu-features.h>
 #include <asm/dsp.h>
+#include <asm/watch.h>
 #include <asm/war.h>
 
 
@@ -76,6 +77,7 @@ do {									\
 		__restore_dsp(current);					\
 	if (cpu_has_userlocal)						\
 		write_c0_userlocal(current_thread_info()->tp_value);	\
+	__restore_watch();						\
 } while (0)
 
 static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)