From patchwork Mon Nov 26 11:12:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Murray X-Patchwork-Id: 1003165 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=sparclinux-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=arm.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 433PTy5BDCz9sBn for ; Mon, 26 Nov 2018 22:15:34 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729850AbeKZWHc (ORCPT ); Mon, 26 Nov 2018 17:07:32 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:60874 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730225AbeKZWHb (ORCPT ); Mon, 26 Nov 2018 17:07:31 -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 B2CAB2D91; Mon, 26 Nov 2018 03:13:44 -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 0839C3F5AF; Mon, 26 Nov 2018 03:13:39 -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 04/20] perf/hw_breakpoint: perf/core: advertise PMU exclusion capability Date: Mon, 26 Nov 2018 11:12:20 +0000 Message-Id: <1543230756-15319-5-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: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org The breakpoint PMU has the capability to exclude kernel contexts, let's advertise that we support the PERF_PMU_CAP_EXCLUDE capability so that perf doesn't prevent us from handling events with any exclusion flags set. Signed-off-by: Andrew Murray --- kernel/events/hw_breakpoint.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/events/hw_breakpoint.c b/kernel/events/hw_breakpoint.c index d6b5618..fefe3d5 100644 --- a/kernel/events/hw_breakpoint.c +++ b/kernel/events/hw_breakpoint.c @@ -669,6 +669,8 @@ static struct pmu perf_breakpoint = { .start = hw_breakpoint_start, .stop = hw_breakpoint_stop, .read = hw_breakpoint_pmu_read, + + .capabilities = PERF_PMU_CAP_EXCLUDE, }; int __init init_hw_breakpoint(void)