Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756367AbbHFVct (ORCPT ); Thu, 6 Aug 2015 17:32:49 -0400 Received: from casper.infradead.org ([85.118.1.10]:45730 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753047AbbHFVcs (ORCPT ); Thu, 6 Aug 2015 17:32:48 -0400 Date: Thu, 6 Aug 2015 23:32:43 +0200 From: Peter Zijlstra To: Stephane Eranian Cc: "Liang, Kan" , "mingo@redhat.com" , Arnaldo Carvalho de Melo , "ak@linux.intel.com" , LKML Subject: Re: [PATCH V2 1/1] perf/x86: Add Intel power cstate PMUs support Message-ID: <20150806213243.GA16853@twins.programming.kicks-ass.net> References: <1437986776-8438-1-git-send-email-kan.liang@intel.com> <20150806154424.GR19282@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 760 Lines: 16 On Thu, Aug 06, 2015 at 11:14:17AM -0700, Stephane Eranian wrote: > On Thu, Aug 6, 2015 at 8:44 AM, Peter Zijlstra wrote: > >> +static cpumask_t power_cstate_core_cpu_mask; > > > > That one typically does not need a cpumask. > > > You need to pick one CPU out of the multi-core. But it is for client parts thus > there is only one socket. At least this is my understanding. Oh crud, core as in a group of SMT. There's so much core as in logical cpu usage around these days I got confused :/ -- 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/