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Subject: Re: [PATCH 26/26] x86, pkeys: Documentation
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From: Dave Hansen <dave@sr71.net>
Message-ID: <560DB605.2000402@sr71.net>
Date: Thu, 1 Oct 2015 15:39:01 -0700
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To: Kees Cook <keescook@google.com>
Cc: Ingo Molnar <mingo@kernel.org>, "x86@kernel.org" <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>, Linux-MM <linux-mm@kvack.org>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, Peter Zijlstra <a.p.zijlstra@chello.nl>, Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@alien8.de>

On 10/01/2015 03:35 PM, Kees Cook wrote:
> On Thu, Oct 1, 2015 at 3:33 PM, Dave Hansen <dave@sr71.net> wrote:
>> On 10/01/2015 01:39 PM, Kees Cook wrote:
>>> On Thu, Oct 1, 2015 at 4:17 AM, Ingo Molnar <mingo@kernel.org> wrote:
>>>> So could we try to add an (opt-in) kernel option that enables this transparently
>>>> and automatically for all PROT_EXEC && !PROT_WRITE mappings, without any
>>>> user-space changes and syscalls necessary?
>>>
>>> I would like this very much. :)
>>
>> Here it is in a quite fugly form (well, it's not opt-in).  Init crashes
>> if I boot with this, though.
> 
> *laugh* Okay... well, we've got some work to do, I guess. :)
> 
> (And which init?)

systemd for better or worse.

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