I don't know much about seccomp, so just a few general nitpicks:
On Wed, Oct 24, 2018 at 01:40:36PM -0700, Palmer Dabbelt wrote:
+ bool "Enable seccomp to safely compute untrusted
bytecode"
+
+ help
The empty line above is odd, please drop it.
+++ b/arch/riscv/include/asm/seccomp.h
@@ -0,0 +1,10 @@
+/* Copyright 2018 SiFive, Inc. */
+/* SPDX-License-Identifier: GPL-2.0 */
The SPDX tag should go into the first line.
+#ifndef _ASM_RISCV_SECCOMP_H
+#define _ASM_RISCV_SECCOMP_H
+
+#include <asm/unistd.h>
+
+#include <asm-generic/seccomp.h>
And while at it I'd drop this empty line as well.