[PATCH v5 10/23] xen/riscv: introduces acrquire, release and full barriers

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
 Changes in V5:
   - new patch
---
 xen/arch/riscv/include/asm/fence.h | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 xen/arch/riscv/include/asm/fence.h

diff --git a/xen/arch/riscv/include/asm/fence.h 
b/xen/arch/riscv/include/asm/fence.h
new file mode 100644
index 0000000000..27f46fa897
--- /dev/null
+++ b/xen/arch/riscv/include/asm/fence.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ASM_RISCV_FENCE_H
+#define _ASM_RISCV_FENCE_H
+
+#define RISCV_ACQUIRE_BARRIER   "\tfence r , rw\n"
+#define RISCV_RELEASE_BARRIER   "\tfence rw, w\n"
+#define RISCV_FULL_BARRIER      "\tfence rw, rw\n"
+
+#endif /* _ASM_RISCV_FENCE_H */
-- 
2.43.0