From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932978AbeEHXEj (ORCPT ); Tue, 8 May 2018 19:04:39 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:33204 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932314AbeEHXEi (ORCPT ); Tue, 8 May 2018 19:04:38 -0400 Date: Tue, 8 May 2018 16:04:37 -0700 From: Andrew Morton To: Sebastian Andrzej Siewior Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, David Howells Subject: Re: [PATCH REPOST] rbtree: include rcu.h because we use it Message-Id: <20180508160437.aa262315a98eaa0d3631bb27@linux-foundation.org> In-Reply-To: <20180504103159.19938-1-bigeasy@linutronix.de> References: <20180504103159.19938-1-bigeasy@linutronix.de> X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 4 May 2018 12:31:59 +0200 Sebastian Andrzej Siewior wrote: > Since commit c1adf20052d8 ("Introduce rb_replace_node_rcu()") > rbtree_augmented.h uses RCU related data structures but does not include > them. It works as long as gets somehow included before that and fails > otherwise. c1adf20052d8 was two years ago. Are there any actual real build errors arising from this? If so, backporting the patch might be needed?