linux-kernel - Re: [PATCH 00/15] x86: Enable FSGSBASE instructions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 21 Mar 2018 00:40:18 +0000
From:   Andy Lutomirski <luto@...nel.org>
To:     "Bae, Chang Seok" <chang.seok.bae@...el.com>
Cc:     Andy Lutomirski <luto@...nel.org>, X86 ML <x86@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "Metzger, Markus T" <markus.t.metzger@...el.com>,
        "Luck, Tony" <tony.luck@...el.com>,
        "Shankar, Ravi V" <ravi.v.shankar@...el.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/15] x86: Enable FSGSBASE instructions

On Tue, Mar 20, 2018 at 4:33 PM, Bae, Chang Seok
<chang.seok.bae@...el.com> wrote:
> On 3/20/18, 08:07, "Andy Lutomirski" <luto@...nel.org> wrote:
>> Can you describe what changed since the last submission?  It looks
>> like a lot has changed and this series is much more complicated and
>> much more fragile than it used to be.  Why?
>
> According to your overall comments, most concerning part you have right now
> is paranoid entry and ptrace legacy support. (correct me if I'm wong)
> Design-wise, I think they're major changes -- I can follow-up with
> a summary if you want. I responded about paranoid entry. ptrace
> legacy support is simply new that never before AFAIK.

Summary please.