From 91ed57339129cd95f4764792be21718faeb420f2 Mon Sep 17 00:00:00 2001 From: Oleksii Kurochko Date: Wed, 6 Mar 2024 10:18:33 +0100 Subject: [PATCH] xen/riscv: introduces acquire, release and full barriers Signed-off-by: Oleksii Kurochko Acked-by: Jan Beulich --- 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 */