linux-kernel - Re: [PATCH v17 18/23] platform/x86: Intel SGX driver

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]

Message-ID: <20181128050814.GA8842@linux.intel.com>
Date:   Tue, 27 Nov 2018 21:08:14 -0800
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     "Dr. Greg" <greg@...ellic.com>
Cc:     Andy Lutomirski <luto@...nel.org>, X86 ML <x86@...nel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        linux-sgx@...r.kernel.org, Dave Hansen <dave.hansen@...el.com>,
        "Christopherson, Sean J" <sean.j.christopherson@...el.com>,
        nhorman@...hat.com, npmccallum@...hat.com,
        "Ayoun, Serge" <serge.ayoun@...el.com>, shay.katz-zamir@...el.com,
        haitao.huang@...ux.intel.com,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Svahn, Kai" <kai.svahn@...el.com>, mark.shanahan@...el.com,
        Suresh Siddha <suresh.b.siddha@...el.com>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v17 18/23] platform/x86: Intel SGX driver

On Sat, Nov 24, 2018 at 08:45:34AM -0800, Jarkko Sakkinen wrote:
> On Fri, Nov 23, 2018 at 04:39:23AM -0600, Dr. Greg wrote:
> > Jarkko, when this driver lands it will set the SGX ABI in stone for
> > Linux.  It would be very, very helpful to the development community if
> > there was some official guidance from Intel on whether or not FLC will
> > be a universal feature on all hardware and the date that is going to
> > happen or has happened.
> 
> I seriously don't know but I can take this message to the mothership...

LC enabling is essentially a platform vendors choice, not Intels choice,
like many other CPU features that Linux is dependent on. Of course, if
Linux ends supporting only LC that will without doubt have a big impact
on vendors so in that way it is indirectly also communitys choice.

/Jarkko