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=-9.6 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,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 CF708C2BA83 for ; Sun, 9 Feb 2020 22:27:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 95B7220820 for ; Sun, 9 Feb 2020 22:27:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ddg3KP5s" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727003AbgBIW1P (ORCPT ); Sun, 9 Feb 2020 17:27:15 -0500 Received: from mail-wm1-f67.google.com ([209.85.128.67]:53833 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725906AbgBIW1P (ORCPT ); Sun, 9 Feb 2020 17:27:15 -0500 Received: by mail-wm1-f67.google.com with SMTP id s10so7832385wmh.3 for ; Sun, 09 Feb 2020 14:27:14 -0800 (PST) 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=V7HZmuLvPAvtEVH2AwWm+lK2s0FBYOIIxH0tWrnWAKc=; b=Ddg3KP5stSjbjDtOlbs8qeRCNKC9Ip0dqBef1MwuZYKLuErXQVlBlxkocglhfStMf4 IFqqzuuI4A63NCFbZFlxDIO7hp5HIuLVAW13ut7lbF9Ap3M4KoIfxBVIRTLqnCdNbHQ5 A4BkL6Tsd18z26fT5ni59s2JEuJ8N2nGbVvHAr+3O4UJ+mZ6FB5AFnhrMsl6HXnMdgd4 rDxuUY0XyRRUMLGJKzVwq9PH5C7W4r5p0nVlyV7/XlagDq3Pi4+GCa7gHqa0rz2Z10af x1qRgm0sf1gJzvo5FjE1ETOtDBDJ4sPLKSTvH+g9AUFHX1zCA28Tpa59huL8eFp1LkRB uDPQ== 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=V7HZmuLvPAvtEVH2AwWm+lK2s0FBYOIIxH0tWrnWAKc=; b=G1275yBMwK7FUV3eBr4yDbyul9vN9tgh6jIxMZWqK/mHWJNl3EwFvdc1o65aXMO8Mz bd5NODePMZnBKwEScsbPfUXbGGsV5LpaWEWAiOF97MDsod1Lwrzc371QEfM9djCHMvbf jyR9Hs++uV6Aim0DcIqrSDlszxJ2mpvwRTH+H66RrfIJV64wW2lv+Ekv+LAEVuk11DcL EUZNOSCAuXJZHa7ZT8hzjMVkKxqL3ItzJmHl2+oGWl9f/mpBODDVI/C8J8Bs56kpv0JQ KlL/89zTcQtHlCm8PsobC2X2CnhAXbfQRypZM6YmLwPa+hHwzXBVD5IF8TmN7snIPOdN TsxQ== X-Gm-Message-State: APjAAAXVVutUPNtV46SmDUaV+RY/0bqcM0VzqyydR82dNB6mOnoW5/0G BhNQls2NozIkT17fbiKeaw== X-Google-Smtp-Source: APXvYqzjJ3QQNrX7e8Q0wty3M8Z1UnusmGWcAwJtZkTMSrNSaNvfCbENrhGINg8yx45M2lFOCk7zMQ== X-Received: by 2002:a7b:c93a:: with SMTP id h26mr11873687wml.83.1581287233280; Sun, 09 Feb 2020 14:27:13 -0800 (PST) Received: from ninjahost.lan (host-2-102-13-223.as13285.net. [2.102.13.223]) by smtp.googlemail.com with ESMTPSA id w1sm14314404wro.72.2020.02.09.14.27.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Feb 2020 14:27:12 -0800 (PST) From: Jules Irenge To: boqun.feng@gmail.com Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, Jules Irenge Subject: [PATCH 01/11] hrtimer: Add missing annotation to lock_hrtimer_base() Date: Sun, 9 Feb 2020 22:27:04 +0000 Message-Id: <3532c7ba07ff3c855764ca6a4146bd2c49b22c0e.1581282103.git.jbi.octave@gmail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: References: <0/11> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sparse reports several warnings; warning: context imbalance in lock_hrtimer_base() - wrong count at exit warning: context imbalance in hrtimer_start_range_ns() - unexpected unlock warning: context imbalance in hrtimer_try_to_cancel() - unexpected unlock warning: context imbalance in __hrtimer_get_remaining() - unexpected unlock The root cause is a missing annotation of lock_hrtimer_base() which causes also the "unexpected unlock" warnings. Add the missing __acquires(timer->base) annotation Signed-off-by: Jules Irenge --- kernel/time/hrtimer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 3a609e7344f3..bb8340e2a3b9 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -160,6 +160,7 @@ static inline bool is_migration_base(struct hrtimer_clock_base *base) static struct hrtimer_clock_base *lock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags) + __acquires(timer->base) { struct hrtimer_clock_base *base; -- 2.24.1