linux-kernel - Re: [PATCHv2] x86: add kconfig options for newer 64-bit processors

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Message-ID: <20131022082355.GA10268@nazgul.tnic>
Date:	Tue, 22 Oct 2013 10:23:55 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Austin S Hemmelgarn <ahferroin7@...il.com>
Cc:	Linux-Kernel mailing list <linux-kernel@...r.kernel.org>,
	x86@...nel.org, Linux Torvalds <torvalds@...l.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCHv2] x86: add kconfig options for newer 64-bit processors

On Mon, Oct 21, 2013 at 10:20:55AM -0400, Austin S Hemmelgarn wrote:
> By this same logic though, none of the x86 processor tuning options
> currently in the kernel should have been put in in the first place
> (and, taking it to an extreme, should in fact be removed).

Some of them make sense like MATOM as Atom supports a different subset
of x86 insns, MOVBE being one example. And there's no need to touch them
as unnecessary code churn is something we don't do.
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