From patchwork Mon Nov 26 11:12:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Murray X-Patchwork-Id: 1003182 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gt3ZXSG8"; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="OsVl9Zws"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 433Ptl0KYrz9s0t for ; Mon, 26 Nov 2018 22:33:35 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=o4kyi9QvxmfaPn/eHspNMC0yfgxRmbXGOcR5zvj3548=; b=gt3ZXSG8GfUBI3aqf3+ejhsuct A63UJMDZuIMBIvqTTkteV/SP4lTloxlOOqRlJaHVX35uxpJuv3qhHDrNiBzH9P8w6sHcCrcQtVEhV wc6DxaRy/9eDd8Mq+93CWM/Ry3uBwi7DqDZDDe6yLuSpXO+DXgibm3/q8aCRwSjJCFCoXXCYJWh9V zQcULbLViqJ8fID2JlbOxpgVGZAxoUSOxlSuzXmL3CHQ2HOg/wMjDI4cfHOgTGu/GF9GRX21WSAby tlHeYvjI4AlS6KwWiBxXeXI4mAfYCU+mws8XCX32qq66MN/sk0snK7SAu/w1EMfC4OCC/aFRdyXPy iQ+X05aQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gRF8p-0000mJ-E5; Mon, 26 Nov 2018 11:33:27 +0000 Received: from merlin.infradead.org ([2001:8b0:10b:1231::1]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gRF6z-0007P4-57 for linux-arm-kernel@bombadil.infradead.org; Mon, 26 Nov 2018 11:31:33 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=cz35GMSm9VFK6s8nUnx5A95hfLTe3rnP912K7bYFht0=; b=OsVl9Zws/NOJ8DHMQeXRnKvSu OEPKOJIGb90ITelj0JBUf/CqYQvgXaBCcGvrPvfp00VcNcRNYdiJ/+XdnmtMt1xPGJh5kR0tR+l68 rUuQ6P8qOm5PBJhXuhMGMsnpA/jPUNSOECMdIKXHdBMHQr01sC/wbUNEdgnMwWZ+h5xM7cfYRCLvv 2pdgdKGpMlI2VZtis9tZRXrL5oWMeTzuDGBTSo6SdgzOJ5cPsR0+Kwun4I0I/d7fD2nggQiAMmYEQ m03S7lR1EXDhk8nN7lsTmCrfL+BTD0cnl2Kvo3qZKTTTDDeQFlq6auH9YPdbFVtYR/2xgh0pG0LfD RpFP+k2dg==; Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by merlin.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gREqL-0007DA-T7 for linux-arm-kernel@lists.infradead.org; Mon, 26 Nov 2018 11:14:22 +0000 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 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181126_061422_204880_8152F017 X-CRM114-Status: GOOD ( 17.48 ) X-Spam-Score: -5.0 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on merlin.infradead.org summary: Content analysis details: (-5.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [217.140.101.70 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.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;