Re: devicetree random-seed properties, was: "Re: [PATCH v7 0/9] x86/mm: memory area address KASLR"

From	Jason Cooper <jason@lakedaemon.net>
Newsgroups	linux.kernel
Subject	Re: devicetree random-seed properties, was: "Re: [PATCH v7 0/9] x86/mm: memory area address KASLR"
Date	2016-06-30 23:50 +0200
Message-ID	<rPS0p-6k2-5@gated-at.bofh.it> (permalink)
References	(5 earlier) <rNnWO-1oZ-9@gated-at.bofh.it> <rNx06-6Zi-27@gated-at.bofh.it> <rNBQ6-1SP-17@gated-at.bofh.it> <rNEEh-3KS-5@gated-at.bofh.it> <rNGd3-4B8-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri, Jun 24, 2016 at 01:40:41PM -0700, Andy Lutomirski wrote:
> On Fri, Jun 24, 2016 at 12:04 PM, Kees Cook <keescook@chromium.org> wrote:
> > On Fri, Jun 24, 2016 at 9:02 AM, Jason Cooper <jason@lakedaemon.net> wrote:
> >> Thomas,
> >>
> >> Sorry for wandering off the topic of your series.  The big take away for
> >> me is that you and Kees are concerned about x86 systems pre-RDRAND.
> >> Just as I'm concerned about deployed embedded systems without bootloader
> >> support for hw-rngs and so forth.
> >>
> >> Whatever final form the approach takes for ARM/dt, I'll make sure we can
> >> extend it to legacy x86 systems.
> >
> > Yeah, this seems like a productive conversation to me. :)
> 
> I have an old patch and spec I need to dust off that does this during
> *very* early boot on x86 using MSRs so that kASLR can use it.

I'd love to see that. ;-)

thx,

Jason.

Thread

Re: [kernel-hardening] [PATCH v7 0/9] x86/mm: memory area address  KASLR Jason Cooper <jason@lakedaemon.net> - 2016-06-23 21:40 +0200
  Re: [kernel-hardening] [PATCH v7 0/9] x86/mm: memory area address KASLR Sandy Harris <sandyinchina@gmail.com> - 2016-06-23 21:50 +0200
    Re: [kernel-hardening] [PATCH v7 0/9] x86/mm: memory area address KASLR Kees Cook <keescook@chromium.org> - 2016-06-23 22:00 +0200
      Re: [kernel-hardening] [PATCH v7 0/9] x86/mm: memory area address  KASLR Jason Cooper <jason@lakedaemon.net> - 2016-06-23 22:20 +0200
    Re: [kernel-hardening] [PATCH v7 0/9] x86/mm: memory area address  KASLR Jason Cooper <jason@lakedaemon.net> - 2016-06-23 22:20 +0200
  Re: [kernel-hardening] [PATCH v7 0/9] x86/mm: memory area address KASLR Kees Cook <keescook@chromium.org> - 2016-06-23 22:00 +0200
    Re: [kernel-hardening] [PATCH v7 0/9] x86/mm: memory area address KASLR Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-06-23 22:10 +0200
      Re: [kernel-hardening] [PATCH v7 0/9] x86/mm: memory area address  KASLR Jason Cooper <jason@lakedaemon.net> - 2016-06-24 03:20 +0200
        Re: [kernel-hardening] [PATCH v7 0/9] x86/mm: memory area address KASLR Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-06-24 13:00 +0200
          devicetree random-seed properties, was: "Re: [PATCH v7 0/9] x86/mm:  memory area address KASLR" Jason Cooper <jason@lakedaemon.net> - 2016-06-24 18:10 +0200
            Re: devicetree random-seed properties, was: "Re: [PATCH v7 0/9]  x86/mm: memory area address KASLR" Kees Cook <keescook@chromium.org> - 2016-06-24 21:10 +0200
              Re: devicetree random-seed properties, was: "Re: [PATCH v7 0/9]  x86/mm: memory area address KASLR" Andy Lutomirski <luto@amacapital.net> - 2016-06-24 22:50 +0200
                Re: devicetree random-seed properties, was: "Re: [PATCH v7 0/9]  x86/mm: memory area address KASLR" Jason Cooper <jason@lakedaemon.net> - 2016-06-30 23:50 +0200
              Re: devicetree random-seed properties, was: "Re: [PATCH v7 0/9]  x86/mm: memory area address KASLR" Jason Cooper <jason@lakedaemon.net> - 2016-06-30 23:50 +0200

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