These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / tools / arch / tile / include / asm / barrier.h

diff --git a/kernel/tools/arch/tile/include/asm/barrier.h b/kernel/tools/arch/tile/include/asm/barrier.h
new file mode 100644 (file)
index 0000000..7d3692c
--- /dev/null
+++ b/kernel/tools/arch/tile/include/asm/barrier.h
@@ -0,0 +1,15 @@
+#ifndef _TOOLS_LINUX_ASM_TILE_BARRIER_H
+#define _TOOLS_LINUX_ASM_TILE_BARRIER_H
+/*
+ * FIXME: This came from tools/perf/perf-sys.h, where it was first introduced
+ * in 620830b6954913647b7c7f68920cf48eddf6ad92, more work needed to make it
+ * more closely follow the Linux kernel arch/tile/include/asm/barrier.h file.
+ * Probably when we continue work on tools/ Kconfig support to have all the
+ * CONFIG_ needed for properly doing that.
+ */
+
+#define mb()           asm volatile ("mf" ::: "memory")
+#define wmb()          mb()
+#define rmb()          mb()
+
+#endif /* _TOOLS_LINUX_ASM_TILE_BARRIER_H */