linux-kernel - Re: [PATCH] [RFC] TAINT

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Message-ID: <1408505546.5540.25.camel@marge.simpson.net>
Date:	Wed, 20 Aug 2014 05:32:26 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	"Kirill A. Shutemov" <kirill@...temov.name>
Cc:	Dave Hansen <dave@...1.net>, linux-kernel@...r.kernel.org,
	dave.hansen@...ux.intel.com, peterz@...radead.org,
	mingo@...hat.com, ak@...ux.intel.com, tim.c.chen@...ux.intel.com,
	akpm@...ux-foundation.org, cl@...ux.com, penberg@...nel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH] [RFC] TAINT_PERFORMANCE

On Wed, 2014-08-20 at 01:26 +0300, Kirill A. Shutemov wrote: 
> On Tue, Aug 19, 2014 at 02:26:04PM -0700, Dave Hansen wrote:

> > +	TAINT_PERF_IF(SCHEDSTATS);
> 
> Is SCHEDSTATS really harmful?

If your config is minimalist, a tad.  If your config is.. Rubenesque
(distro), you probably won't notice the extra beauty.

> It's enabled in some distro kernels.
> At least in Arch:
> 
> https://projects.archlinux.org/svntogit/packages.git/tree/trunk/config.x86_64?h=packages/linux

Ditto for SUSE.

-Mike


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