From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755274AbbESAAy (ORCPT ); Mon, 18 May 2015 20:00:54 -0400 Received: from www.linutronix.de ([62.245.132.108]:51764 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755034AbbESAAn (ORCPT ); Mon, 18 May 2015 20:00:43 -0400 Message-Id: <20150518235149.919350144@linutronix.de> User-Agent: quilt/0.63-1 Date: Tue, 19 May 2015 00:00:51 -0000 From: Thomas Gleixner To: LKML Cc: Peter Zijlstra , Vikas Shivappa , x86@kernel.org, Matt Fleming , Will Auld , Kanaka Juvva Subject: [patch 2/6] x86, perf, cqm: Use proper data type References: <20150518234114.574556332@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=x86-perf-cqm-use-proper-data-types.patch 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,URIBL_BLOCKED=0.001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org int is really not a proper data type for a MSR. Use u32 to make it clear that we are dealing with a 32bit unsigned hardware value. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/cpu/perf_event_intel_cqm.c | 4 ++-- include/linux/perf_event.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) Index: linux/arch/x86/kernel/cpu/perf_event_intel_cqm.c =================================================================== --- linux.orig/arch/x86/kernel/cpu/perf_event_intel_cqm.c +++ linux/arch/x86/kernel/cpu/perf_event_intel_cqm.c @@ -18,7 +18,7 @@ static unsigned int cqm_l3_scale; /* sup struct intel_cqm_state { raw_spinlock_t lock; - int rmid; + u32 rmid; int cnt; }; @@ -962,7 +962,7 @@ out: static void intel_cqm_event_start(struct perf_event *event, int mode) { struct intel_cqm_state *state = this_cpu_ptr(&cqm_state); - unsigned int rmid = event->hw.cqm_rmid; + u32 rmid = event->hw.cqm_rmid; unsigned long flags; if (!(event->hw.cqm_state & PERF_HES_STOPPED)) Index: linux/include/linux/perf_event.h =================================================================== --- linux.orig/include/linux/perf_event.h +++ linux/include/linux/perf_event.h @@ -124,7 +124,7 @@ struct hw_perf_event { }; struct { /* intel_cqm */ int cqm_state; - int cqm_rmid; + u32 cqm_rmid; struct list_head cqm_events_entry; struct list_head cqm_groups_entry; struct list_head cqm_group_entry;