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-rw-r--r--include/asm-sparc64/system.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index 309f1466b6f..07d72367f82 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -253,6 +253,16 @@ do { if (test_thread_flag(TIF_PERFCTR)) { \
} \
} 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 xchg32(__volatile__ unsigned int *m, unsigned int val)
{
unsigned long tmp1, tmp2;