From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753541AbdK1PRT (ORCPT ); Tue, 28 Nov 2017 10:17:19 -0500 Received: from mail-qk0-f196.google.com ([209.85.220.196]:35542 "EHLO mail-qk0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751565AbdK1PRR (ORCPT ); Tue, 28 Nov 2017 10:17:17 -0500 X-Google-Smtp-Source: AGs4zMb1cHT5vN5mIkr7ultrVIyPiV7SjAdgk6emVYCiSWOnlf2szT//Ja2Lj7qqGgCm+wp+NQVNRg== Date: Tue, 28 Nov 2017 07:17:14 -0800 From: Tejun Heo To: Lucas Stach Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, kernel@pengutronix.de, patchwork-lst@pengutronix.de Subject: Re: [PATCH] cgroup: properly init u64_stats Message-ID: <20171128151704.GU983427@devbig577.frc2.facebook.com> References: <20171128125925.6801-1-l.stach@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171128125925.6801-1-l.stach@pengutronix.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 28, 2017 at 01:59:25PM +0100, Lucas Stach wrote: > Lockdep complains that the stats update is trying to register a non-static > key. This is because u64_stats are using a seqlock on 32bit arches, which > needs to be initialized before usage. > > Fixes: 041cd640b2f3 (cgroup: Implement cgroup2 basic CPU usage accounting) > Signed-off-by: Lucas Stach Applied to cgroup/for-4.15-fixes. Thanks. -- tejun