Disintegrate asm/system.h for Tile

Disintegrate asm/system.h for Tile.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/arch/tile/include/asm/cacheflush.h b/arch/tile/include/asm/cacheflush.h
index e925f4bb498f..0fc63c488edf 100644
--- a/arch/tile/include/asm/cacheflush.h
+++ b/arch/tile/include/asm/cacheflush.h
@@ -20,7 +20,6 @@
 /* Keep includes the same across arches.  */
 #include <linux/mm.h>
 #include <linux/cache.h>
-#include <asm/system.h>
 #include <arch/icache.h>
 
 /* Caches are physically-indexed and so don't need special treatment */
@@ -152,4 +151,14 @@ static inline void finv_buffer_local(void *buffer, size_t size)
  */
 void finv_buffer_remote(void *buffer, size_t size, int hfh);
 
+/*
+ * 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)
+{
+}
+
 #endif /* _ASM_TILE_CACHEFLUSH_H */