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Message-ID: <CAGXu5jJw-HcYRo8muSQ7Av9ZGuO3jTgV2x_xDcqmK-i=2nu1aw@mail.gmail.com>
Date: Mon, 27 Jun 2016 09:05:08 -0700
From: Kees Cook <keescook@...omium.org>
To: Emese Revfy <re.emese@...il.com>
Cc: Michal Marek <mmarek@...e.com>, linux-kbuild <linux-kbuild@...r.kernel.org>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, PaX Team <pageexec@...email.hu>
Subject: Re: [PATCH] powerpc/kernel: Disable the latent entropy plugin unconditionally
On Sun, Jun 26, 2016 at 8:34 AM, Emese Revfy <re.emese@...il.com> wrote:
>
> Reported-by: PaX Team <pageexec@...email.hu>
> Signed-off-by: Emese Revfy <re.emese@...il.com>
Thanks! Can you include a body in the commit message? For this, something like:
Disable the gcc-plugin unconditionlly here because ... *reason it is required*
etc
-Kees
> ---
> arch/powerpc/kernel/Makefile | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
> index 01935b8..e9ef44f 100644
> --- a/arch/powerpc/kernel/Makefile
> +++ b/arch/powerpc/kernel/Makefile
> @@ -14,11 +14,12 @@ CFLAGS_prom_init.o += -fPIC
> CFLAGS_btext.o += -fPIC
> endif
>
> -ifdef CONFIG_FUNCTION_TRACER
> CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
> CFLAGS_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
> CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
> CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
> +
> +ifdef CONFIG_FUNCTION_TRACER
> # Do not trace early boot code
> CFLAGS_REMOVE_cputable.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
> CFLAGS_REMOVE_prom_init.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
> --
> 2.8.1
--
Kees Cook
Chrome OS & Brillo Security
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