From: luto@amacapital.net (Andy Lutomirski)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 2/3] asm-generic: Add generic seccomp.h for secure computing mode 1
Date: Wed, 23 Jul 2014 20:40:26 -0700 [thread overview]
Message-ID: <53D0802A.7070703@amacapital.net> (raw)
In-Reply-To: <1406020499-5537-3-git-send-email-takahiro.akashi@linaro.org>
On 07/22/2014 02:14 AM, AKASHI Takahiro wrote:
> 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@arndb.de>
> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.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@linaro.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
I don't like these names. __NR_seccomp_read sounds like the number of a
syscall called seccomp_read.
Also, shouldn't something be including this header? I'm confused.
--Andy
next prev parent reply other threads:[~2014-07-24 3:40 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 9:14 [PATCH v5 0/3] arm64: Add seccomp support AKASHI Takahiro
2014-07-22 9:14 ` [PATCH v5 1/3] arm64: ptrace: reload a syscall number after ptrace operations AKASHI Takahiro
2014-07-22 20:15 ` Kees Cook
2014-07-23 7:03 ` AKASHI Takahiro
2014-07-23 8:25 ` Will Deacon
2014-07-23 9:09 ` AKASHI Takahiro
2014-07-23 15:13 ` Kees Cook
2014-07-24 3:54 ` Andy Lutomirski
2014-07-24 5:57 ` AKASHI Takahiro
2014-07-24 15:01 ` Andy Lutomirski
2014-07-25 10:36 ` AKASHI Takahiro
2014-07-25 11:03 ` Will Deacon
2014-07-29 6:49 ` AKASHI Takahiro
2014-07-29 13:26 ` Will Deacon
2014-07-22 9:14 ` [PATCH v5 2/3] asm-generic: Add generic seccomp.h for secure computing mode 1 AKASHI Takahiro
2014-07-24 3:40 ` Andy Lutomirski [this message]
2014-07-24 4:41 ` Kees Cook
2014-07-24 5:17 ` AKASHI Takahiro
2014-07-24 14:57 ` Andy Lutomirski
2014-07-25 8:52 ` AKASHI Takahiro
2014-07-22 9:14 ` [PATCH v5 3/3] arm64: Add seccomp support AKASHI Takahiro
2014-07-24 3:52 ` Andy Lutomirski
2014-07-24 5:40 ` AKASHI Takahiro
2014-07-24 15:00 ` Andy Lutomirski
2014-07-24 15:16 ` Catalin Marinas
2014-07-25 9:37 ` AKASHI Takahiro
2014-08-05 15:08 ` Kees Cook
2014-08-08 7:35 ` AKASHI Takahiro
2014-08-11 9:24 ` Will Deacon
2014-08-12 6:57 ` AKASHI Takahiro
2014-08-12 9:40 ` Will Deacon
2014-08-12 11:17 ` AKASHI Takahiro
2014-08-15 14:33 ` Will Deacon
2014-07-22 20:16 ` [PATCH v5 0/3] " Kees Cook
2014-07-23 7:09 ` AKASHI Takahiro
2014-07-23 15:36 ` Kees Cook
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