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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 48923C76191 for ; Wed, 24 Jul 2019 22:55:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1FAA12190F for ; Wed, 24 Jul 2019 22:55:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="HmGy/pSR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729651AbfGXWzB (ORCPT ); Wed, 24 Jul 2019 18:55:01 -0400 Received: from mail-pl1-f194.google.com ([209.85.214.194]:38182 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729635AbfGXWy6 (ORCPT ); Wed, 24 Jul 2019 18:54:58 -0400 Received: by mail-pl1-f194.google.com with SMTP id az7so22546767plb.5 for ; Wed, 24 Jul 2019 15:54:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=He3hFXi90MosbqiSamTnu9D3+6VDTB+JURQA9mOByDI=; b=HmGy/pSRUREcRq2rJeHZpbhUfiPOCw154BfVI80ZghfpVkWaLO5FfT6/AeV76NXwGJ WVotN94y4ef3AG9KvDN2WavaHWjq9p3+ctqBh5Xk0GrTdWJlUE9j2Ez+1FSG3xgh6f2S maM7A2tmkHlzExSM0m3hkKlNnVk/t73NTRps1Ufl5Zf2hLd3tbuLvq0HY+Kto3rH26+a 5y/d6ndr8PJRAthuWPEyFDSKuK7gYuiC4EtcQxdIkcNO0bu1rkwS06T6kwN3Zj8HGUaw T3EWtKs3LnkxvFzKJ7z6dgFmv0xEh8Fdl0J3oPuZm7epX3QIN//Q29BQ1825O1/TYxu/ wSZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=He3hFXi90MosbqiSamTnu9D3+6VDTB+JURQA9mOByDI=; b=ZKjER6NYBqRTZjGiuSvWCMAaqPzBNk1s4lmQtt/+uwbTLW1v7xmZObxIycY9Pl7Eb9 sbiCG/op9AGK5fnlBbhNemtTvC5UFqFRcfEK5ATcDmL/vx1nm6dCl+UprhpSNBcMIVx9 aaC0h0Q3YgISamnNkJEKIBUEujE+nbB60wCC+tHuISI59FvhJYVhY4qJQh34Iz4mD28d 6S70GkQz2X62D+jZCK0GrIWd8RaAz2u4D1XVhnOJ3i9E8IlfBWNnU72yLDYawsC4AH0v its8ErdqXKOFiooH7kcRK8ozNiUwAlY5rJR8DYC2I9L0vDV2qtvZKfE6P80VmMNX0OG2 9CPA== X-Gm-Message-State: APjAAAWB8QKLYxSBZo5ERtfKg43GdMq4ebtqcSV/fPxuPQ9HUATe+Xq2 cdf2Y6s8vU/AFYqAgM9yhBY= X-Google-Smtp-Source: APXvYqzh0kpmiquu3e/h3eXcpuBzfU3bMywHvdY+v+JeSk5SbryJBgK1Hm1uJ7z3Aq0ZXrYVmPoIVA== X-Received: by 2002:a17:902:1004:: with SMTP id b4mr89379804pla.325.1564008897721; Wed, 24 Jul 2019 15:54:57 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id d14sm59526525pfo.154.2019.07.24.15.54.56 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 24 Jul 2019 15:54:57 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Peter Zijlstra Cc: Ingo Molnar , Will Deacon , LKML , John Hubbard Subject: [PATCH] lockdep: fix an unused variable warning Date: Wed, 24 Jul 2019 15:54:52 -0700 Message-Id: <20190724225452.24503-2-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190724225452.24503-1-jhubbard@nvidia.com> References: <20190724225452.24503-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: John Hubbard For the !CONFIG_PROVE_LOCKING case, the "class" variable is left unused. Rather than tease apart the functionality in lockdep_stats_show(), where class is used to increment up to 15 local variables, this patch merely adds yet another ifdef to fix the build warning. Signed-off-by: John Hubbard --- kernel/locking/lockdep_proc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c index 65b6a1600c8f..86f0868a1bfc 100644 --- a/kernel/locking/lockdep_proc.c +++ b/kernel/locking/lockdep_proc.c @@ -200,7 +200,9 @@ static void lockdep_stats_debug_show(struct seq_file *m) static int lockdep_stats_show(struct seq_file *m, void *v) { +#ifdef CONFIG_PROVE_LOCKING struct lock_class *class; +#endif unsigned long nr_unused = 0, nr_uncategorized = 0, nr_irq_safe = 0, nr_irq_unsafe = 0, nr_softirq_safe = 0, nr_softirq_unsafe = 0, -- 2.22.0