[PATCH] sched: add cacheflush() asm

[pandora-kernel.git] / include / asm-mips / system.h

diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index 330c4e4..5f761ad 100644 (file)
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -164,6 +164,16 @@ do {                                                                       \
                __restore_dsp(current);                                 \
 } while(0)
 
+/*
+ * On SMP systems, when the scheduler does migration-cost autodetection,
+ * it needs a way to flush as much of the CPU's caches as possible.
+ *
+ * TODO: fill this in!
+ */
+static inline void sched_cacheflush(void)
+{
+}
+
 static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
 {
        __u32 retval;