linux-kernel - [PATCH] m68k: Enable seccomp architecture tracking

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Message-Id: <20201220085141.1573113-1-geert@linux-m68k.org>
Date:   Sun, 20 Dec 2020 09:51:41 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     linux-m68k@...ts.linux-m68k.org
Cc:     YiFei Zhu <yifeifz2@...inois.edu>,
        Kees Cook <keescook@...omium.org>,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH] m68k: Enable seccomp architecture tracking

To enable seccomp constant action bitmaps, we need to have a static
mapping to the audit architecture and system call table size.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
Needed for CONFIG_SECCOMP_CACHE_DEBUG.
Note that upstream doesn't have m68k seccomp support yet.

 arch/m68k/include/asm/Kbuild    |  1 -
 arch/m68k/include/asm/seccomp.h | 11 +++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 arch/m68k/include/asm/seccomp.h

diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild
index d9f0f283707ff352..1bff55aa2d54e2ce 100644
--- a/arch/m68k/include/asm/Kbuild
+++ b/arch/m68k/include/asm/Kbuild
@@ -4,5 +4,4 @@ generic-y += extable.h
 generic-y += kvm_para.h
 generic-y += local64.h
 generic-y += mcs_spinlock.h
-generic-y += seccomp.h
 generic-y += spinlock.h
diff --git a/arch/m68k/include/asm/seccomp.h b/arch/m68k/include/asm/seccomp.h
new file mode 100644
index 0000000000000000..feefe511dd1f370d
--- /dev/null
+++ b/arch/m68k/include/asm/seccomp.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_M68K_SECCOMP_H
+#define _ASM_M68K_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_M68K
+#define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME	"m68k"
+
+#endif /* _ASM_M68K_SECCOMP_H */
-- 
2.25.1