linux-kernel - Re: [PATCH] seccomp: not compatible with ARM OABI

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Date:	Thu, 7 Nov 2013 10:59:59 +0000
From:	James Hogan <james.hogan@...tec.com>
To:	Kees Cook <keescook@...omium.org>
CC:	<linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andy Lutomirski <luto@...capital.net>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Eric Paris <eparis@...hat.com>,
	<libseccomp-discuss@...ts.sourceforge.net>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Will Drewry <wad@...omium.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH] seccomp: not compatible with ARM OABI

Hi,

On 06/11/13 23:31, Kees Cook wrote:
> diff --git a/arch/Kconfig b/arch/Kconfig
> index af2cc6eabcc7..6eaca7d92399 100644
> --- a/arch/Kconfig
> +++ b/arch/Kconfig
> @@ -331,12 +331,15 @@ config HAVE_ARCH_SECCOMP_FILTER
>  
>  config SECCOMP_FILTER
>  	def_bool y
> -	depends on HAVE_ARCH_SECCOMP_FILTER && SECCOMP && NET
> +	depends on HAVE_ARCH_SECCOMP_FILTER && SECCOMP && NET && !OABI_COMPAT

Isn't this the whole point of HAVE_ARCH_SECCOMP_FILTER?

Just change the select in arch/arm/Kconfig to this:

	select HAVE_ARCH_SECCOMP_FILTER if !OABI_COMPAT

Cheers
James

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