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=-22.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable 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 A2860C64E75 for ; Fri, 20 Nov 2020 18:32:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5BA4B24197 for ; Fri, 20 Nov 2020 18:32:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="mfQINuMM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730619AbgKTSbc (ORCPT ); Fri, 20 Nov 2020 13:31:32 -0500 Received: from mail.kernel.org ([198.145.29.99]:51114 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729163AbgKTSbb (ORCPT ); Fri, 20 Nov 2020 13:31:31 -0500 Received: from embeddedor (187-162-31-110.static.axtel.net [187.162.31.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B1B8D2416E; Fri, 20 Nov 2020 18:31:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605897091; bh=nG7knnhB+Q+dT+YbQe24tnW4ZaxqjhR8v6GifhbuktM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mfQINuMMBX5QrgDtXjMgwkvO0jyI0ehoSFQeEhuS8OywaLxuGG0cd0FieuRaGWXSX rGWYlLKRCgZXr6catg+ARgjKLeX0otUhVD9u3G4Z/Ml6+AiLd9At+3Mu16IFGyrHTa gL242XTK0NxBBoiquoxTph8AByM2PqpB67ONMolQ= Date: Fri, 20 Nov 2020 12:31:36 -0600 From: "Gustavo A. R. Silva" To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Thomas Gleixner , Borislav Petkov , "H. Peter Anvin" Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH 048/141] perf/x86: Fix fall-through warnings for Clang Message-ID: <6543f3b668968c6ec6b16eb2966bd9b4b0b032f1.1605896059.git.gustavoars@kernel.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning by explicitly adding a fallthrough pseudo-keyword as a replacement for a /* fall through */ comment, instead of letting the code fall through to the next case. Notice that Clang doesn't recognize /* fall through */ comments as implicit fall-through markings. Link: https://github.com/KSPP/linux/issues/115 Signed-off-by: Gustavo A. R. Silva --- arch/x86/events/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index a88c94d65693..550c5e7002b9 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -1174,7 +1174,7 @@ static inline void x86_assign_hw_event(struct perf_event *event, case INTEL_PMC_IDX_METRIC_BASE ... INTEL_PMC_IDX_METRIC_END: /* All the metric events are mapped onto the fixed counter 3. */ idx = INTEL_PMC_IDX_FIXED_SLOTS; - /* fall through */ + fallthrough; case INTEL_PMC_IDX_FIXED ... INTEL_PMC_IDX_FIXED_BTS-1: hwc->config_base = MSR_ARCH_PERFMON_FIXED_CTR_CTRL; hwc->event_base = MSR_ARCH_PERFMON_FIXED_CTR0 + -- 2.27.0