From: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>,
Emese Revfy <re.emese@gmail.com>,
kernel-hardening@lists.openwall.com
Cc: linux-kbuild@vger.kernel.org, pageexec@freemail.hu,
spender@grsecurity.net, mmarek@suse.com, keescook@chromium.org,
linux@rasmusvillemoes.dk, 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>,
Daniel Axtens <dja@axtens.net>
Subject: Re: [kernel-hardening] [PATCH v8 2/4] GCC plugin infrastructure
Date: Thu, 19 May 2016 16:30:23 +1000 [thread overview]
Message-ID: <573D5D7F.60000@au1.ibm.com> (raw)
In-Reply-To: <1463638931.10451.10.camel@ellerman.id.au>
On 19/05/16 16:22, Michael Ellerman wrote:
>> Did you test the plugins with all gcc versions (4.5-6)?
>
> What's the concern about gcc versions? Just not breaking the build on old
> compilers?
> I'm pretty sure powerpc big endian still builds with gcc 4.4.
gcc's plugin support only landed in 4.5, so we don't care about <=4.4.
> However if Andrew's only tested on little endian, then that select should be
> guarded with an "if CPU_LITTLE_ENDIAN". And to build LE you need gcc >= 4.9.
I'm going to give BE a test too just to be sure.
--
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com IBM Australia Limited
next prev parent reply other threads:[~2016-05-19 6:30 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-12 23:54 [kernel-hardening] [PATCH v8 0/4] Introduce GCC plugin infrastructure Emese Revfy
2016-05-12 23:54 ` Emese Revfy
2016-05-12 23:56 ` [kernel-hardening] [PATCH v8 1/4] Shared library support Emese Revfy
2016-05-12 23:56 ` Emese Revfy
2016-05-12 23:57 ` [kernel-hardening] [PATCH v8 2/4] GCC plugin infrastructure Emese Revfy
2016-05-12 23:57 ` Emese Revfy
2016-05-17 14:28 ` [kernel-hardening] " Michal Marek
2016-05-17 14:28 ` Michal Marek
2016-05-18 10:56 ` [kernel-hardening] " Emese Revfy
2016-05-18 10:56 ` Emese Revfy
2016-05-18 8:51 ` [kernel-hardening] " Andrew Donnellan
2016-05-18 10:33 ` Emese Revfy
2016-05-18 21:14 ` Andrew Donnellan
2016-05-19 6:22 ` Michael Ellerman
2016-05-19 6:30 ` Andrew Donnellan [this message]
2016-05-19 8:24 ` PaX Team
2016-05-19 8:24 ` PaX Team
2016-05-20 6:22 ` Andrew Donnellan
2016-05-20 10:10 ` Michael Ellerman
2016-05-12 23:58 ` [kernel-hardening] [PATCH v8 3/4] Add Cyclomatic complexity GCC plugin Emese Revfy
2016-05-12 23:58 ` Emese Revfy
2016-05-18 8:25 ` [kernel-hardening] " Andrew Donnellan
2016-05-18 10:53 ` Emese Revfy
2016-05-12 23:59 ` [kernel-hardening] [PATCH v8 4/4] Add sancov plugin Emese Revfy
2016-05-12 23:59 ` Emese Revfy
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