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

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Message-Id: <20170207114211.GB4973@osiris>
Date:   Tue, 7 Feb 2017 12:42:11 +0100
From:   Heiko Carstens <heiko.carstens@...ibm.com>
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>,
        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

On Mon, Feb 06, 2017 at 04:31:57PM -0800, Laura Abbott 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(-)

For the s390 bits:

Acked-by: Heiko Carstens <heiko.carstens@...ibm.com>