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[Patch 5/6] MIPS: Scheduler support for HARDWARE_WATCHPOINTS.

To: linux-mips@linux-mips.org
Subject: [Patch 5/6] MIPS: Scheduler support for HARDWARE_WATCHPOINTS.
From: David Daney <ddaney@avtrex.com>
Date: Thu, 28 Aug 2008 15:11:57 -0700
Cc: linux-kernel@vger.kernel.org
In-reply-to: <48B71ADD.601@avtrex.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <48B71ADD.601@avtrex.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Thunderbird 2.0.0.16 (X11/20080723)
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>
---
 include/asm-mips/system.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index a944eda..cd30f83 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/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)
-- 
1.5.5.1


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