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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2D982ECAAD2 for ; Mon, 29 Aug 2022 06:55:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229598AbiH2Gz3 (ORCPT ); Mon, 29 Aug 2022 02:55:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229493AbiH2GzZ (ORCPT ); Mon, 29 Aug 2022 02:55:25 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id EE72F1F611; Sun, 28 Aug 2022 23:55:24 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D2969113E; Sun, 28 Aug 2022 23:55:30 -0700 (PDT) Received: from a077893.blr.arm.com (unknown [10.162.40.15]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 9171C3F766; Sun, 28 Aug 2022 23:55:49 -0700 (PDT) From: Anshuman Khandual To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, peterz@infradead.org Cc: Anshuman Khandual , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim Subject: [PATCH 1/3] perf/core: Assert PERF_EVENT_FLAG_ARCH does not overlap with generic flags Date: Mon, 29 Aug 2022 12:25:05 +0530 Message-Id: <20220829065507.177781-2-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220829065507.177781-1-anshuman.khandual@arm.com> References: <20220829065507.177781-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org This just ensures that PERF_EVENT_FLAG_ARCH does not overlap with generic hardware event flags. Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: Mark Rutland Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: linux-perf-users@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- kernel/events/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/events/core.c b/kernel/events/core.c index 2621fd24ad26..29c58de6c888 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -13429,6 +13429,7 @@ void __init perf_event_init(void) */ BUILD_BUG_ON((offsetof(struct perf_event_mmap_page, data_head)) != 1024); + BUILD_BUG_ON(PERF_EVENT_FLAG_USER_READ_CNT & PERF_EVENT_FLAG_ARCH); } ssize_t perf_event_sysfs_show(struct device *dev, struct device_attribute *attr, -- 2.25.1