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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 E18EEC282C8 for ; Mon, 28 Jan 2019 16:15:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ABFDD2175B for ; Mon, 28 Jan 2019 16:15:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548692105; bh=TrK4TzUbEa8NHDE+3Mekqoji7J0q/eCjEvKbZwkzAg0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=f6m5nOAaMtzax29WN9GzoZEzsiAitiuFL5OgEoNWRS2iJkuvBFFTlU2rBXArZuaxW H89kT5fr3U77f8wnO7Nd+UxskA226g4OMg6ICmKosyYT7IHyD+vf8AkJN87y8gQNzY mJ5SpcxBx2Bbeu+vvflftG+Yoq4CJml0S9up/ANc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387707AbfA1QPE (ORCPT ); Mon, 28 Jan 2019 11:15:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:44590 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732968AbfA1QPB (ORCPT ); Mon, 28 Jan 2019 11:15:01 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DF18B20879; Mon, 28 Jan 2019 16:14:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548692101; bh=TrK4TzUbEa8NHDE+3Mekqoji7J0q/eCjEvKbZwkzAg0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xokMRaoXasnMP0OL/j/WORr2d9m8Q5ZIl8aa7sE/F+Rqrzuq0yIPujszXKtFHKDwn TRnpE0S9mr97NCak8xzNjXGS6LLcb3TcDl1e9Y85YEv47rPRP2fRmLspcIKeoJGT/j 4BWf7d8DE3OA/m0yaEnDs6tuzBsOwaxlu4n0mfMI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Bart Van Assche , Thomas Gleixner , peterz@infradead.org, tj@kernel.org, johannes.berg@intel.com, Sasha Levin Subject: [PATCH AUTOSEL 4.14 067/170] timekeeping: Use proper seqcount initializer Date: Mon, 28 Jan 2019 11:10:17 -0500 Message-Id: <20190128161200.55107-67-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190128161200.55107-1-sashal@kernel.org> References: <20190128161200.55107-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bart Van Assche [ Upstream commit ce10a5b3954f2514af726beb78ed8d7350c5e41c ] tk_core.seq is initialized open coded, but that misses to initialize the lockdep map when lockdep is enabled. Lockdep splats involving tk_core seq consequently lack a name and are hard to read. Use the proper initializer which takes care of the lockdep map initialization. [ tglx: Massaged changelog ] Signed-off-by: Bart Van Assche Signed-off-by: Thomas Gleixner Cc: peterz@infradead.org Cc: tj@kernel.org Cc: johannes.berg@intel.com Link: https://lkml.kernel.org/r/20181128234325.110011-12-bvanassche@acm.org Signed-off-by: Sasha Levin --- kernel/time/timekeeping.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 2cafb49aa65e..1ce7c404d0b0 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -41,7 +41,9 @@ static struct { seqcount_t seq; struct timekeeper timekeeper; -} tk_core ____cacheline_aligned; +} tk_core ____cacheline_aligned = { + .seq = SEQCNT_ZERO(tk_core.seq), +}; static DEFINE_RAW_SPINLOCK(timekeeper_lock); static struct timekeeper shadow_timekeeper; -- 2.19.1