Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-realview / include / mach / barriers.h

diff --git a/kernel/arch/arm/mach-realview/include/mach/barriers.h b/kernel/arch/arm/mach-realview/include/mach/barriers.h
new file mode 100644 (file)
index 0000000..9a73219
--- /dev/null
+++ b/kernel/arch/arm/mach-realview/include/mach/barriers.h
@@ -0,0 +1,8 @@
+/*
+ * Barriers redefined for RealView ARM11MPCore platforms with L220 cache
+ * controller to work around hardware errata causing the outer_sync()
+ * operation to deadlock the system.
+ */
+#define mb()           dsb()
+#define rmb()          dsb()
+#define wmb()          mb()