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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 593E3C433F4 for ; Tue, 18 Sep 2018 13:50:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1BBF22146D for ; Tue, 18 Sep 2018 13:50:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1BBF22146D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730188AbeIRTWk (ORCPT ); Tue, 18 Sep 2018 15:22:40 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:43172 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729889AbeIRTWj (ORCPT ); Tue, 18 Sep 2018 15:22:39 -0400 Received: from localhost (unknown [147.67.4.98]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id E4BFDC03; Tue, 18 Sep 2018 13:49:56 +0000 (UTC) Date: Tue, 18 Sep 2018 15:49:54 +0200 From: Greg Kroah-Hartman To: Dmitry Safonov Cc: linux-kernel@vger.kernel.org, Dmitry Safonov <0x7f454c46@gmail.com>, Daniel Axtens , Dmitry Vyukov , Mark Rutland , Michael Neuling , Mikulas Patocka , Nathan March , Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= , Peter Hurley , Peter Zijlstra , "Rong, Chen" , Sergey Senozhatsky , Tan Xiaojun , Tetsuo Handa , Jiri Slaby Subject: Re: [PATCHv5 6/7] tty/ldsem: Add lockdep asserts for ldisc_sem Message-ID: <20180918134954.GF23431@kroah.com> References: <20180917235258.5719-1-dima@arista.com> <20180917235258.5719-7-dima@arista.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180917235258.5719-7-dima@arista.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 18, 2018 at 12:52:57AM +0100, Dmitry Safonov wrote: > Make sure under CONFIG_LOCKDEP that each change to line discipline > is done with held write semaphor. > Otherwise potential reader will have a good time dereferencing > incomplete/uninitialized ldisc. Note, I don't see patch 5/7 here, did it get lost? Please fix that up for the next resend of this series. thanks, greg k-h