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Message-Id: <1394862604-29105-2-git-send-email-takahiro.akashi@linaro.org>
Date:	Sat, 15 Mar 2014 14:50:03 +0900
From:	AKASHI Takahiro <takahiro.akashi@...aro.org>
To:	wad@...omium.org, catalin.marinas@....com, will.deacon@....com,
	arndb@...db.de
Cc:	dsaxena@...aro.org, linux-arm-kernel@...ts.infradead.org,
	linaro-kernel@...ts.linaro.org, linux-kernel@...r.kernel.org,
	patches@...aro.org, AKASHI Takahiro <takahiro.akashi@...aro.org>
Subject: [PATCH_v4 1/2] asm-generic: Add generic seccomp.h for secure computing mode 1

Those values (__NR_seccomp_*) are used solely in secure_computing()
to identify mode 1 system calls. If compat system calls have different
syscall numbers, asm/seccomp.h may override them.

Acked-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@...aro.org>
---
 include/asm-generic/seccomp.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 include/asm-generic/seccomp.h

diff --git a/include/asm-generic/seccomp.h b/include/asm-generic/seccomp.h
new file mode 100644
index 0000000..5e97022
--- /dev/null
+++ b/include/asm-generic/seccomp.h
@@ -0,0 +1,28 @@
+/*
+ * include/asm-generic/seccomp.h
+ *
+ * Copyright (C) 2014 Linaro Limited
+ * Author: AKASHI Takahiro <takahiro.akashi@...aro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _ASM_GENERIC_SECCOMP_H
+#define _ASM_GENERIC_SECCOMP_H
+
+#include <asm-generic/unistd.h>
+
+#if defined(CONFIG_COMPAT) && !defined(__NR_seccomp_read_32)
+#define __NR_seccomp_read_32		__NR_read
+#define __NR_seccomp_write_32		__NR_write
+#define __NR_seccomp_exit_32		__NR_exit
+#define __NR_seccomp_sigreturn_32	__NR_rt_sigreturn
+#endif /* CONFIG_COMPAT && ! already defined */
+
+#define __NR_seccomp_read		__NR_read
+#define __NR_seccomp_write		__NR_write
+#define __NR_seccomp_exit		__NR_exit
+#define __NR_seccomp_sigreturn		__NR_rt_sigreturn
+
+#endif /* _ASM_GENERIC_SECCOMP_H */
-- 
1.8.3.2

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