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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 88FF9C43613 for ; Mon, 24 Jun 2019 16:19:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6250020657 for ; Mon, 24 Jun 2019 16:19:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729422AbfFXQTT (ORCPT ); Mon, 24 Jun 2019 12:19:19 -0400 Received: from gateway34.websitewelcome.com ([192.185.148.142]:43992 "EHLO gateway34.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726909AbfFXQTS (ORCPT ); Mon, 24 Jun 2019 12:19:18 -0400 Received: from cm12.websitewelcome.com (cm12.websitewelcome.com [100.42.49.8]) by gateway34.websitewelcome.com (Postfix) with ESMTP id D60F5CA4DB for ; Mon, 24 Jun 2019 11:19:17 -0500 (CDT) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id fRgbhJppdiQerfRgbhpXz7; Mon, 24 Jun 2019 11:19:17 -0500 X-Authority-Reason: nr=8 Received: from cablelink-187-160-61-213.pcs.intercable.net ([187.160.61.213]:60914 helo=embeddedor) by gator4166.hostgator.com with esmtpa (Exim 4.92) (envelope-from ) id 1hfRga-000t0J-4e; Mon, 24 Jun 2019 11:19:16 -0500 Date: Mon, 24 Jun 2019 11:19:13 -0500 From: "Gustavo A. R. Silva" To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Thomas Gleixner , Borislav Petkov , "H. Peter Anvin" , x86@kernel.org, Kan Liang Cc: linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" , Kees Cook Subject: [PATCH] perf/x86/intel: Mark expected switch fall-throughs Message-ID: <20190624161913.GA32270@embeddedor> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.9.4 (2018-02-28) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 187.160.61.213 X-Source-L: No X-Exim-ID: 1hfRga-000t0J-4e X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: cablelink-187-160-61-213.pcs.intercable.net (embeddedor) [187.160.61.213]:60914 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 12 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warnings: arch/x86/events/intel/core.c: In function ‘intel_pmu_init’: arch/x86/events/intel/core.c:4959:8: warning: this statement may fall through [-Wimplicit-fallthrough=] pmem = true; ~~~~~^~~~~~ arch/x86/events/intel/core.c:4960:2: note: here case INTEL_FAM6_SKYLAKE_MOBILE: ^~~~ arch/x86/events/intel/core.c:5008:8: warning: this statement may fall through [-Wimplicit-fallthrough=] pmem = true; ~~~~~^~~~~~ arch/x86/events/intel/core.c:5009:2: note: here case INTEL_FAM6_ICELAKE_MOBILE: ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva --- arch/x86/events/intel/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index bda450ff51ee..6154f052aa5f 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -4957,6 +4957,7 @@ __init int intel_pmu_init(void) case INTEL_FAM6_SKYLAKE_X: pmem = true; + /* fall through */ case INTEL_FAM6_SKYLAKE_MOBILE: case INTEL_FAM6_SKYLAKE_DESKTOP: case INTEL_FAM6_KABYLAKE_MOBILE: @@ -5006,6 +5007,7 @@ __init int intel_pmu_init(void) case INTEL_FAM6_ICELAKE_X: case INTEL_FAM6_ICELAKE_XEON_D: pmem = true; + /* fall through */ case INTEL_FAM6_ICELAKE_MOBILE: case INTEL_FAM6_ICELAKE_DESKTOP: x86_pmu.late_ack = true; -- 2.21.0