From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18FF6C43441 for ; Mon, 26 Nov 2018 11:14:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB6FE20660 for ; Mon, 26 Nov 2018 11:14:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB6FE20660 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730855AbeKZWHx (ORCPT ); Mon, 26 Nov 2018 17:07:53 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:32804 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729744AbeKZWHw (ORCPT ); Mon, 26 Nov 2018 17:07:52 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BC55B3918; Mon, 26 Nov 2018 03:14:04 -0800 (PST) Received: from e119886-lin.cambridge.arm.com (unknown [10.37.6.11]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 110B33F5AF; Mon, 26 Nov 2018 03:13:59 -0800 (PST) From: Andrew Murray To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Shawn Guo , Sascha Hauer , Will Deacon , Mark Rutland , Benjamin Herrenschmidt , Thomas Gleixner , Borislav Petkov , x86@kernel.org, Ralf Baechle , Paul Burton , James Hogan , Martin Schwidefsky , Heiko Carstens , "David S . Miller" , sparclinux@vger.kernel.org, Michael Ellerman Cc: linux-s390@vger.kernel.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org Subject: [PATCH v2 08/20] arm: perf/core: remove unnecessary checks for exclusion Date: Mon, 26 Nov 2018 11:12:24 +0000 Message-Id: <1543230756-15319-9-git-send-email-andrew.murray@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1543230756-15319-1-git-send-email-andrew.murray@arm.com> References: <1543230756-15319-1-git-send-email-andrew.murray@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For drivers that do not support context exclusion we do not advertise the PERF_PMU_CAP_EXCLUDE capability. This ensures that perf will prevent us from handling events where any exclusion flags are set. Let's remove the now unnecessary check for exclusion flags. Signed-off-by: Andrew Murray --- arch/arm/mach-imx/mmdc.c | 8 +------- arch/arm/mm/cache-l2x0-pmu.c | 8 -------- 2 files changed, 1 insertion(+), 15 deletions(-) diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c index 04b3bf7..b937a15 100644 --- a/arch/arm/mach-imx/mmdc.c +++ b/arch/arm/mach-imx/mmdc.c @@ -293,13 +293,7 @@ static int mmdc_pmu_event_init(struct perf_event *event) return -EOPNOTSUPP; } - if (event->attr.exclude_user || - event->attr.exclude_kernel || - event->attr.exclude_hv || - event->attr.exclude_idle || - event->attr.exclude_host || - event->attr.exclude_guest || - event->attr.sample_period) + if (event->attr.sample_period) return -EINVAL; if (cfg < 0 || cfg >= MMDC_NUM_COUNTERS) diff --git a/arch/arm/mm/cache-l2x0-pmu.c b/arch/arm/mm/cache-l2x0-pmu.c index afe5b4c..ba92f9e 100644 --- a/arch/arm/mm/cache-l2x0-pmu.c +++ b/arch/arm/mm/cache-l2x0-pmu.c @@ -314,14 +314,6 @@ static int l2x0_pmu_event_init(struct perf_event *event) event->attach_state & PERF_ATTACH_TASK) return -EINVAL; - if (event->attr.exclude_user || - event->attr.exclude_kernel || - event->attr.exclude_hv || - event->attr.exclude_idle || - event->attr.exclude_host || - event->attr.exclude_guest) - return -EINVAL; - if (event->cpu < 0) return -EINVAL; -- 2.7.4