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-rw-r--r--arch/arm/mm/init.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index fd079ff1fc5..c168f322ef8 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -486,10 +486,17 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
/*
* Ask the machine support to map in the statically mapped devices.
- * After this point, we can start to touch devices again.
*/
if (mdesc->map_io)
mdesc->map_io();
+
+ /*
+ * Finally flush the tlb again - this ensures that we're in a
+ * consistent state wrt the writebuffer if the writebuffer needs
+ * draining. After this point, we can start to touch devices
+ * again.
+ */
+ local_flush_tlb_all();
}
/*