linux-kernel - Re: [PATCH v2 0/8] add support for relative references in jump tables

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Message-ID: <CAGXu5jJ9hD8-2ioAKdXKc8uV+OjRSJVUftd9rY9RfW7Tkor=kw@mail.gmail.com>
Date:   Thu, 13 Sep 2018 14:40:12 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:     Heiko Carstens <heiko.carstens@...ibm.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-s390 <linux-s390@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Will Deacon <will.deacon@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Jessica Yu <jeyu@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v2 0/8] add support for relative references in jump tables

On Wed, Jul 4, 2018 at 1:50 AM, Ard Biesheuvel
<ard.biesheuvel@...aro.org> wrote:
> On 4 July 2018 at 09:59, Heiko Carstens <heiko.carstens@...ibm.com> wrote:
>> On Mon, Jul 02, 2018 at 08:11:37PM +0200, Ard Biesheuvel wrote:
>>> This series implements support for emitting the data structures associated
>>> with jump tables as 32-bit relative references instead of absolute
>>> references, which take up more space on builds that target 64-bit
>>> architectures, or implement self relocation [or both].
>>>
>>> This series enables it for arm64 and x86, although other architectures
>>> might benefit as well.
>>
>> Hello Ard,
>>
>> feel free to add the patch below which adds support for s390 to your series.
>>
>
> Thanks, I will incorporate it into v3 and beyond.

Just a quick status check! :) What're your plans for this series? I'd
still love to see it.

-Kees

-- 
Kees Cook
Pixel Security