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Subject: Re: [RFD] x86: The future of MPX
To: Linus Torvalds <torvalds@linux-foundation.org>,
        Ingo Molnar <mingo@kernel.org>
References: <alpine.DEB.2.21.1804272122390.1596@nanos.tec.linutronix.de>
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Cc: Thomas Gleixner <tglx@linutronix.de>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <peterz@infradead.org>, Borislav Petkov <bp@alien8.de>
From: Dave Hansen <dave.hansen@linux.intel.com>
Message-ID: <86ff0f5c-0215-798a-2ab8-71fe1677255c@linux.intel.com>
Date: Sun, 29 Apr 2018 21:44:00 -0700
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On 04/28/2018 09:44 AM, Linus Torvalds wrote:
> On Sat, Apr 28, 2018 at 9:36 AM Linus Torvalds <
> torvalds@linux-foundation.org> wrote:
> 
>> They need to be run as root.
> Side note: don't get me wrong. If the MPX stuff isn't supported by gcc,
> then there is little point in us supporting it in the kernel either.

The loss of the GCC support is definitely a bummer.

There are no objections from me against removing it from future kernels.
 I think it will be pretty straightforward, just leaving the prctl()
numbers as placeholders.