From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jacob Pan Subject: [PATCH v4 0/2] powercap/rapl: reduce ipi calls and misc clean up Date: Fri, 19 Feb 2016 12:37:31 -0800 Message-ID: <1455914253-18138-1-git-send-email-jacob.jun.pan@linux.intel.com> Return-path: Received: from mga04.intel.com ([192.55.52.120]:1298 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992763AbcBSUis (ORCPT ); Fri, 19 Feb 2016 15:38:48 -0500 Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: LKML , Rafael Wysocki , Thomas Gleixner , Linux PM Cc: Srinivas Pandruvada , Peter Zijlstra , "David S. Miller" , Andrew Morton , Rusty Russell , Jacob Pan Changes since V3: - Avoid for_each_online_cpu() search for per package MSR access. This is achieved by tracking a per package lead cpu via cpumask_xx() calls. (suggested by Thomas Gleixner ) - Add direct reference of RAPL package for each RAPL domain. This patch optimize remote IPI calls for MSR access. Jacob Pan (2): cpumask: export cpumask_any_but powercap/rapl: reduce ipi calls drivers/powercap/intel_rapl.c | 224 ++++++++++++++++++++++-------------------- lib/cpumask.c | 1 + 2 files changed, 119 insertions(+), 106 deletions(-) -- 1.9.1