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

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Message-ID: <20131020091813.GA4972@pd.tnic>
Date:	Sun, 20 Oct 2013 11:18:13 +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 Sat, Oct 19, 2013 at 08:37:29PM -0400, Austin S Hemmelgarn wrote:
> This patch adds options to specifically optimize for a number of newer
> 64-bit microarchitectures; specifically, Intel's Nehalem, Westmere,
> Ivy Bridge, and Sandy Bridge, and AMD's Family 10h, Bobcat, Jaguar,
> Bulldozer, Piledriver, and Steamroller. This serves primarily as an
> attempt to render this particular sub-menu up-to-date with respect to
> the options offered by current versions of GCC.

I'm sorry but did I miss anything from the last time where we determined
that those don't bring any sensible speedup and don't mean whit on
distros?

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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