[RFC patch 16/18] MIPS create empty sync_core()

[Mathieu Desnoyers]

Needed by architecture-independant tsc-sync.c.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
CC: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
---
 arch/mips/include/asm/barrier.h |    6 ++++++
 1 file changed, 6 insertions(+)

Index: linux.trees.git/arch/mips/include/asm/barrier.h
===================================================================
--- linux.trees.git.orig/arch/mips/include/asm/barrier.h	2008-10-30 20:22:49.000000000 -0400
+++ linux.trees.git/arch/mips/include/asm/barrier.h	2008-11-07 00:16:28.000000000 -0500
@@ -152,4 +152,10 @@
 #define smp_llsc_rmb()	__asm__ __volatile__(__WEAK_LLSC_MB : : :"memory")
 #define smp_llsc_wmb()	__asm__ __volatile__(__WEAK_LLSC_MB : : :"memory")
 
+/*
+ * MIPS does not have any instruction to serialize instruction execution on the
+ * core.
+ */
+#define sync_core()
+
 #endif /* __ASM_BARRIER_H */

-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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