From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751809AbaHTDcc (ORCPT ); Tue, 19 Aug 2014 23:32:32 -0400 Received: from mail-lb0-f171.google.com ([209.85.217.171]:52691 "EHLO mail-lb0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751155AbaHTDca (ORCPT ); Tue, 19 Aug 2014 23:32:30 -0400 Message-ID: <1408505546.5540.25.camel@marge.simpson.net> Subject: Re: [PATCH] [RFC] TAINT_PERFORMANCE From: Mike Galbraith To: "Kirill A. Shutemov" Cc: Dave Hansen , linux-kernel@vger.kernel.org, dave.hansen@linux.intel.com, peterz@infradead.org, mingo@redhat.com, ak@linux.intel.com, tim.c.chen@linux.intel.com, akpm@linux-foundation.org, cl@linux.com, penberg@kernel.org, linux-mm@kvack.org Date: Wed, 20 Aug 2014 05:32:26 +0200 In-Reply-To: <20140819222621.GA32690@node.dhcp.inet.fi> References: <20140819212604.6C94DF09@viggo.jf.intel.com> <20140819222621.GA32690@node.dhcp.inet.fi> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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