linux-kernel - Re: [GIT pull] x86 mpx support for 3.19

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Message-ID: <CA+55aFyu4HYdWzqOuCYb_pRKOZU==xbxTyuBHSn+wV8gT7q+rw@mail.gmail.com>
Date:	Wed, 10 Dec 2014 11:05:15 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"the arch/x86 maintainers" <x86@...nel.org>,
	Dave Hansen <dave.hansen@...ux.intel.com>
Subject: Re: [GIT pull] x86 mpx support for 3.19

On Tue, Dec 9, 2014 at 6:08 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
>
>    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-mpx-for-linus

So I've pulled this (not pushed out yet, I've done all the
allmodconfig builds, but I want to reboot into this all too), but I'm
not entirely sure I'm happy about how it enabled MPX support by
default.

Why would I want to enable this in my kernel when there are no actual
CPU's out yet that support it? And even when there are, why would I do
it if the CPU I have doesn't support it?

So I think it needs to be a real config option with a real question,
not a "def_bool" that just depends on "do you want to support Intel
CPU's"

                        Linus
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