Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760890AbZFLNEX (ORCPT ); Fri, 12 Jun 2009 09:04:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762814AbZFLM7d (ORCPT ); Fri, 12 Jun 2009 08:59:33 -0400 Received: from tx2ehsobe001.messaging.microsoft.com ([65.55.88.11]:8374 "EHLO TX2EHSOBE001.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762801AbZFLM7c (ORCPT ); Fri, 12 Jun 2009 08:59:32 -0400 X-SpamScore: -3 X-BigFish: VPS-3(zz655Nzz1202hzzz32i17ch43j) X-FB-SS: 5, X-WSS-ID: 0KL4MQL-04-6AF-01 From: Robert Richter To: Ingo Molnar CC: LKML , oprofile-list , Robert Richter Subject: [PATCH 10/23] x86/oprofile: remove MSR macros for ppro cpus Date: Fri, 12 Jun 2009 14:35:27 +0200 Message-ID: <1244810140-20595-11-git-send-email-robert.richter@amd.com> X-Mailer: git-send-email 1.6.3.1 In-Reply-To: <1244810140-20595-1-git-send-email-robert.richter@amd.com> References: <1244810140-20595-1-git-send-email-robert.richter@amd.com> X-OriginalArrivalTime: 12 Jun 2009 12:59:06.0608 (UTC) FILETIME=[91B90F00:01C9EB5D] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2930 Lines: 85 The macros CTRL_READ() and CTRL_WRITE() make the code hard to read and maintain. This patch replaces them by rdmsr()/wrmsr() functions and simplifies the code. Signed-off-by: Robert Richter --- arch/x86/oprofile/op_model_ppro.c | 19 ++++++++----------- 1 files changed, 8 insertions(+), 11 deletions(-) diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c index a922a1a..6c5d288 100644 --- a/arch/x86/oprofile/op_model_ppro.c +++ b/arch/x86/oprofile/op_model_ppro.c @@ -27,9 +27,6 @@ static int num_counters = 2; static int counter_width = 32; #define CTR_OVERFLOWED(n) (!((n) & (1ULL<<(counter_width-1)))) - -#define CTRL_READ(l, h, msrs, c) do {rdmsr((msrs->controls[(c)].addr), (l), (h)); } while (0) -#define CTRL_WRITE(l, h, msrs, c) do {wrmsr((msrs->controls[(c)].addr), (l), (h)); } while (0) #define CTRL_CLEAR(x) (x &= (1<<21)) #define CTRL_SET_EVENT(val, e) (val |= e) @@ -88,9 +85,9 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs) for (i = 0 ; i < num_counters; ++i) { if (unlikely(!CTRL_IS_RESERVED(msrs, i))) continue; - CTRL_READ(low, high, msrs, i); + rdmsr(msrs->controls[i].addr, low, high); CTRL_CLEAR(low); - CTRL_WRITE(low, high, msrs, i); + wrmsr(msrs->controls[i].addr, low, high); } /* avoid a false detection of ctr overflows in NMI handler */ @@ -107,14 +104,14 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs) wrmsrl(msrs->counters[i].addr, -reset_value[i]); - CTRL_READ(low, high, msrs, i); + rdmsr(msrs->controls[i].addr, low, high); CTRL_CLEAR(low); CTRL_SET_ENABLE(low); CTRL_SET_USR(low, counter_config[i].user); CTRL_SET_KERN(low, counter_config[i].kernel); CTRL_SET_UM(low, counter_config[i].unit_mask); CTRL_SET_EVENT(low, counter_config[i].event); - CTRL_WRITE(low, high, msrs, i); + wrmsr(msrs->controls[i].addr, low, high); } else { reset_value[i] = 0; } @@ -162,9 +159,9 @@ static void ppro_start(struct op_msrs const * const msrs) return; for (i = 0; i < num_counters; ++i) { if (reset_value[i]) { - CTRL_READ(low, high, msrs, i); + rdmsr(msrs->controls[i].addr, low, high); CTRL_SET_ACTIVE(low); - CTRL_WRITE(low, high, msrs, i); + wrmsr(msrs->controls[i].addr, low, high); } } } @@ -180,9 +177,9 @@ static void ppro_stop(struct op_msrs const * const msrs) for (i = 0; i < num_counters; ++i) { if (!reset_value[i]) continue; - CTRL_READ(low, high, msrs, i); + rdmsr(msrs->controls[i].addr, low, high); CTRL_SET_INACTIVE(low); - CTRL_WRITE(low, high, msrs, i); + wrmsr(msrs->controls[i].addr, low, high); } } -- 1.6.3.1 -- 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/