Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751991AbbFBVDg (ORCPT ); Tue, 2 Jun 2015 17:03:36 -0400 Received: from www.linutronix.de ([62.245.132.108]:53140 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751105AbbFBVD2 (ORCPT ); Tue, 2 Jun 2015 17:03:28 -0400 Date: Tue, 2 Jun 2015 23:03:26 +0200 (CEST) From: Thomas Gleixner To: Andi Kleen cc: Andy Lutomirski , Adrian Hunter , LKML , Linus Torvalds , X86 ML , "H. Peter Anvin" , Len Brown Subject: Re: [PATCH RFC] x86, tsc: Allow for high latency in quick_pit_calibrate() In-Reply-To: <20150602202037.GO1187@tassilo.jf.intel.com> Message-ID: References: <1432194944-29087-1-git-send-email-adrian.hunter@intel.com> <20150602194350.GN1187@tassilo.jf.intel.com> <20150602202037.GO1187@tassilo.jf.intel.com> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 668 Lines: 23 On Tue, 2 Jun 2015, Andi Kleen wrote: > > There's the code in tsc_msr.c. It should be relatively > > straightforward to extend it to cover everything that intel_pstate > > supports. > > That's a good idea, but we still need an always working fallback when the > model number is not available. So Adrian's patch is needed in any > case. Nonsense. The slow calibration is already a working fallback. Thanks, tglx -- 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/