Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753916AbXEXVBw (ORCPT ); Thu, 24 May 2007 17:01:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751806AbXEXVBm (ORCPT ); Thu, 24 May 2007 17:01:42 -0400 Received: from mx1.redhat.com ([66.187.233.31]:42413 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751088AbXEXVBl (ORCPT ); Thu, 24 May 2007 17:01:41 -0400 Date: Thu, 24 May 2007 17:01:04 -0400 From: Dave Jones To: Andrew Morton Cc: Venki Pallipadi , Len Brown , linux-kernel , Andi Kleen Subject: Re: [PATCH] Display Intel Dynamic Acceleration feature in /proc/cpuinfo Message-ID: <20070524210103.GA5380@redhat.com> Mail-Followup-To: Dave Jones , Andrew Morton , Venki Pallipadi , Len Brown , linux-kernel , Andi Kleen References: <20070523224637.GB15887@linux-os.sc.intel.com> <20070524135513.b6efacbf.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070524135513.b6efacbf.akpm@linux-foundation.org> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1127 Lines: 29 On Thu, May 24, 2007 at 01:55:13PM -0700, Andrew Morton wrote: > On Wed, 23 May 2007 15:46:37 -0700 > Venki Pallipadi wrote: > > > Display Intel Dynamic Acceleration feature in /proc/cpuinfo. This feature > > will be enabled automatically by current acpi-cpufreq driver and cpufreq. > > So you're saying that the cpufreq code in Linus's tree aleady supports IDA? > If so, this is a 2.6.22 patch, isn't it? >From my limited understanding[*], ida is the "We're single threaded, disable the 2nd core, and clock the first core faster" magic. It doesn't need code-changes, as its all done in hardware afaik. identifying & exporting the flags on earlier kernels should be harmless, but not really 'mustfix'. Dave [*] As in I've read about this more on the inquirer etc than I have on Intel docs so far. ;-) -- http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/