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Date: Wed, 18 May 2016 12:33:27 +0200
From: Emese Revfy <re.emese@gmail.com>
To: kernel-hardening@lists.openwall.com
Cc: Andrew Donnellan <andrew.donnellan@au1.ibm.com>,
 linux-kbuild@vger.kernel.org, pageexec@freemail.hu, spender@grsecurity.net,
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 fengguang.wu@intel.com, dvyukov@google.com, linux-kernel@vger.kernel.org,
 david.brown@linaro.org, yamada.masahiro@socionext.com, linuxppc-dev
 <linuxppc-dev@lists.ozlabs.org>, Michael Ellerman <mpe@ellerman.id.au>,
 Daniel Axtens <dja@axtens.net>
Subject: Re: [kernel-hardening] [PATCH v8 2/4] GCC plugin infrastructure
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> I've done some basic sanity testing on powerpc with the cyclomatic 
> complexity plugin (with LE native + cross-compilers) and it seems to 
> work with the patch below.
> 
> Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
> 
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index a18a0dc..0cfed5b 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -97,6 +97,7 @@ config PPC
>          select HAVE_DYNAMIC_FTRACE_WITH_REGS if MPROFILE_KERNEL
>          select HAVE_FUNCTION_TRACER
>          select HAVE_FUNCTION_GRAPH_TRACER
> +       select HAVE_GCC_PLUGINS
>          select SYSCTL_EXCEPTION_TRACE
>          select ARCH_WANT_OPTIONAL_GPIOLIB
>          select VIRT_TO_BUS if !PPC64

Hi,

Did you test the plugins with all gcc versions (4.5-6)?

-- 
Emese