Re: [PATCH] arm64: Add config to limit user space to 47bits

From	Jeremy Linton <jeremy.linton@arm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] arm64: Add config to limit user space to 47bits
Date	2016-07-14 20:10 +0200
Message-ID	<rUTfb-4BY-1@gated-at.bofh.it> (permalink)
References	(2 earlier) <rUv3e-5rv-75@gated-at.bofh.it> <rUDk5-2z3-1@gated-at.bofh.it> <rUItr-5Xh-3@gated-at.bofh.it> <rUIWv-6o9-57@gated-at.bofh.it> <rUJ69-6rX-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 07/14/2016 02:14 AM, Alexander Graf wrote:
>
> On 14.07.16 09:03, Zheng Xu wrote:
>> LuaJIT also fix the 48VA issue by allocating heap memory below 47 bits.
>>
>> For mozjs issue, if there are pointers to .rodata, it can be a problem. Does it happen on master and do we have any case to reproduce the issue so that I can take a look?
>
> mozjs is fixed with your patch. I backported it to all of the ancient
> versions of mozjs, so we're probably good there. Though every distro
> will have to redo that work in their own trees, because older versions
> of mozjs are no longer maintained upstream. If you want to be a hero,
> you can try to port polkitd and gnome to use more recent versions of
> mozjs ;). Or maybe they can already and we just messed up packaging.


I have a polkit built against mozjs45, getting it to work on the other 
hand is the yak of the day...

Thread

[PATCH] arm64: Add config to limit user space to 47bits Alexander Graf <agraf@suse.de> - 2016-07-13 17:50 +0200
  Re: [PATCH] arm64: Add config to limit user space to 47bits Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-07-13 18:10 +0200
    Re: [PATCH] arm64: Add config to limit user space to 47bits Alexander Graf <agraf@suse.de> - 2016-07-13 18:20 +0200
      Re: [PATCH] arm64: Add config to limit user space to 47bits Steve Capper <steve.capper@arm.com> - 2016-07-14 03:10 +0200
        Re: [PATCH] arm64: Add config to limit user space to 47bits Alexander Graf <agraf@suse.de> - 2016-07-14 08:40 +0200
          RE: [PATCH] arm64: Add config to limit user space to 47bits Zheng Xu <Zheng.Xu@arm.com> - 2016-07-14 09:10 +0200
            Re: [PATCH] arm64: Add config to limit user space to 47bits Alexander Graf <agraf@suse.de> - 2016-07-14 09:20 +0200
              RE: [PATCH] arm64: Add config to limit user space to 47bits Zheng Xu <Zheng.Xu@arm.com> - 2016-07-14 09:50 +0200
                Re: [PATCH] arm64: Add config to limit user space to 47bits Alexander Graf <agraf@suse.de> - 2016-07-14 10:10 +0200
              Re: [PATCH] arm64: Add config to limit user space to 47bits Jeremy Linton <jeremy.linton@arm.com> - 2016-07-14 20:10 +0200
      Re: [PATCH] arm64: Add config to limit user space to 47bits Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-07-14 17:20 +0200
  Re: [PATCH] arm64: Add config to limit user space to 47bits Mark Rutland <mark.rutland@arm.com> - 2016-07-13 18:20 +0200

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