Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / hexagon / include / asm / cache.h

diff --git a/kernel/arch/hexagon/include/asm/cache.h b/kernel/arch/hexagon/include/asm/cache.h
new file mode 100644 (file)
index 0000000..69952c1
--- /dev/null
+++ b/kernel/arch/hexagon/include/asm/cache.h
@@ -0,0 +1,36 @@
+/*
+ * Cache definitions for the Hexagon architecture
+ *
+ * Copyright (c) 2010-2011,2014 The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef __ASM_CACHE_H
+#define __ASM_CACHE_H
+
+/* Bytes per L1 cache line */
+#define L1_CACHE_SHIFT         (5)
+#define L1_CACHE_BYTES         (1 << L1_CACHE_SHIFT)
+
+#define ARCH_DMA_MINALIGN      L1_CACHE_BYTES
+
+#define __cacheline_aligned    __aligned(L1_CACHE_BYTES)
+#define ____cacheline_aligned  __aligned(L1_CACHE_BYTES)
+
+/* See http://lwn.net/Articles/262554/ */
+#define __read_mostly
+
+#endif