kernel-hardening - Re: [PATCHv3 1/2] arch: Move CONFIG_DEBUG_RODATA and CONFIG_SET_MODULE

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Message-ID: <20170207071646.GA18584@gmail.com>
Date: Tue, 7 Feb 2017 08:16:46 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Laura Abbott <labbott@...hat.com>
Cc: Russell King <linux@...linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	"James E.J. Bottomley" <jejb@...isc-linux.org>,
	Helge Deller <deller@....de>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
	Kees Cook <keescook@...omium.org>,
	Mark Rutland <mark.rutland@....com>,
	Jason Wessel <jason.wessel@...driver.com>,
	Jonathan Corbet <corbet@....net>, x86@...nel.org,
	Rob Herring <robh@...nel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	Jessica Yu <jeyu@...hat.com>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-parisc@...r.kernel.org, linux-s390@...r.kernel.org,
	linux-pm@...r.kernel.org, kernel-hardening@...ts.openwall.com,
	Robin Murphy <robin.murphy@....com>
Subject: Re: [PATCHv3 1/2] arch: Move CONFIG_DEBUG_RODATA and
 CONFIG_SET_MODULE_RONX to be common


* Laura Abbott <labbott@...hat.com> wrote:

> 
> There are multiple architectures that support CONFIG_DEBUG_RODATA and
> CONFIG_SET_MODULE_RONX. These options also now have the ability to be
> turned off at runtime. Move these to an architecture independent
> location and make these options def_bool y for almost all of those
> arches.
> 
> Signed-off-by: Laura Abbott <labbott@...hat.com>
> ---
> v3: Make these configs selectable for arm. Include some documentation about
> how the setup of the optional Kconfigs work as well. Stop spelling 'kenrel'
> in prompt text.
> ---
>  Documentation/security/self-protection.txt |  6 ++++++
>  arch/Kconfig                               | 34 ++++++++++++++++++++++++++++++
>  arch/arm/Kconfig                           |  4 ++++
>  arch/arm/Kconfig.debug                     | 11 ----------
>  arch/arm/mm/Kconfig                        | 12 -----------
>  arch/arm64/Kconfig                         |  5 ++---
>  arch/arm64/Kconfig.debug                   | 11 ----------
>  arch/parisc/Kconfig                        |  1 +
>  arch/parisc/Kconfig.debug                  | 11 ----------
>  arch/s390/Kconfig                          |  5 ++---
>  arch/s390/Kconfig.debug                    |  3 ---
>  arch/x86/Kconfig                           |  5 ++---
>  arch/x86/Kconfig.debug                     | 11 ----------
>  13 files changed, 51 insertions(+), 68 deletions(-)

Acked-by: Ingo Molnar <mingo@...nel.org>

Thanks,

	Ingo

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