From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Renninger Subject: Re: [PATCH] cpufreq powernow-k8: Remove firmware warning in zero transition latency case Date: Wed, 8 Jun 2011 16:46:35 +0200 Message-ID: <201106081646.35673.trenn@suse.de> References: <201106081007.14264.trenn@suse.de> <20110608135526.GA6420@redhat.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20110608135526.GA6420@redhat.com> Sender: cpufreq-owner@vger.kernel.org List-ID: Content-Type: Text/Plain; charset="us-ascii" To: Dave Jones Cc: cpufreq@vger.kernel.org On Wednesday, June 08, 2011 03:55:27 PM Dave Jones wrote: > On Wed, Jun 08, 2011 at 10:07:13AM +0200, Thomas Renninger wrote: > > AMD's BKDG documents that a zero transition latency should get passed > > for several recent CPU models. > > -> This isn't a firmware bug. > > but the test you're deleting is checking for family < 11h. Eh, right. And in 2.6.32 we had: - if (boot_cpu_data.x86 != 0x11) which I now removed and wanted to submit mainline... > My reading of that comment is that it _was_ a firmware bug on earlier > systems. Not sure whether earlier systems really showed this, but the test is correct, you can ignore the patch. Thanks for pointing that out, Thomas