[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <168ebedb-7c27-d1f3-c2f9-223d44186a52@infradead.org>
Date: Wed, 23 May 2018 14:26:51 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Thomas Garnier <thgarnie@...gle.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
"David S . Miller" <davem@...emloft.net>,
Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
"H . Peter Anvin" <hpa@...or.com>, Peter Zijlstra <peterz@...radead.org>,
Josh Poimboeuf <jpoimboe@...hat.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Philippe Ombredanne <pombredanne@...b.com>,
Kate Stewart <kstewart@...uxfoundation.org>,
Arnaldo Carvalho de Melo <acme@...hat.com>, Yonghong Song <yhs@...com>,
Andrey Ryabinin <aryabinin@...tuozzo.com>, Kees Cook
<keescook@...omium.org>, Tom Lendacky <thomas.lendacky@....com>,
"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
Andy Lutomirski <luto@...nel.org>,
Dominik Brodowski <linux@...inikbrodowski.net>,
Borislav Petkov <bp@...en8.de>, Borislav Petkov <bp@...e.de>,
"Rafael J . Wysocki" <rjw@...ysocki.net>, Len Brown <len.brown@...el.com>,
Pavel Machek <pavel@....cz>, Juergen Gross <jgross@...e.com>,
Alok Kataria <akataria@...are.com>, Steven Rostedt <rostedt@...dmis.org>,
Jan Kiszka <jan.kiszka@...mens.com>, Tejun Heo <tj@...nel.org>,
Christoph Lameter <cl@...ux.com>, Dennis Zhou <dennisszhou@...il.com>,
Boris Ostrovsky <boris.ostrovsky@...cle.com>,
Alexey Dobriyan <adobriyan@...il.com>, Masami Hiramatsu
<mhiramat@...nel.org>, Cao jin <caoj.fnst@...fujitsu.com>,
Francis Deslauriers <francis.deslauriers@...icios.com>,
"Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
Nicolas Pitre <nicolas.pitre@...aro.org>,
Andrew Morton <akpm@...ux-foundation.org>,
"Luis R . Rodriguez" <mcgrof@...nel.org>, Arnd Bergmann <arnd@...db.de>,
Christopher Li <sparse@...isli.org>, Jason Baron <jbaron@...mai.com>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
Lukas Wunner <lukas@...ner.de>, Dou Liyang <douly.fnst@...fujitsu.com>,
Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
Petr Mladek <pmladek@...e.com>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
Ingo Molnar <mingo@...nel.org>, Nicholas Piggin <npiggin@...il.com>,
"H . J . Lu" <hjl.tools@...il.com>, Paolo Bonzini <pbonzini@...hat.com>,
Radim Krčmář <rkrcmar@...hat.com>,
Joerg Roedel <joro@...tes.org>, David Woodhouse <dwmw@...zon.co.uk>,
Dave Hansen <dave.hansen@...ux.intel.com>, Rik van Riel <riel@...hat.com>,
Jia Zhang <qianyue.zj@...baba-inc.com>,
Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
Jonathan Corbet <corbet@....net>, Jan Beulich <JBeulich@...e.com>,
Matthias Kaehlcke <mka@...omium.org>, Baoquan He <bhe@...hat.com>,
Jan H . Schönherr <jschoenh@...zon.de>,
Daniel Micay <danielmicay@...il.com>
Cc: x86@...nel.org, linux-crypto@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
virtualization@...ts.linux-foundation.org, xen-devel@...ts.xenproject.org,
linux-arch@...r.kernel.org, linux-sparse@...r.kernel.org,
kvm@...r.kernel.org, linux-doc@...r.kernel.org,
kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH v3 23/27] x86/modules: Adapt module loading for PIE
support
Hi,
(for several patches in this series:)
The commit message is confusing. See below.
On 05/23/2018 12:54 PM, Thomas Garnier wrote:
> Adapt module loading to support PIE relocations. Generate dynamic GOT if
> a symbol requires it but no entry exist in the kernel GOT.
exists
>
> Position Independent Executable (PIE) support will allow to extended the
will allow us to extend the
> KASLR randomization range below the -2G memory limit.
Does that say "below th negative 2G memory limit"?
I don't get it.
>
> Signed-off-by: Thomas Garnier <thgarnie@...gle.com>
> ---
> arch/x86/Makefile | 4 +
> arch/x86/include/asm/module.h | 11 ++
> arch/x86/include/asm/sections.h | 4 +
> arch/x86/kernel/module.c | 181 +++++++++++++++++++++++++++++++-
> arch/x86/kernel/module.lds | 3 +
> 5 files changed, 198 insertions(+), 5 deletions(-)
> create mode 100644 arch/x86/kernel/module.lds
Thanks,
--
~Randy
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
