linux-kernel - Re: [PATCH REPOST] rbtree: include rcu.h because we use it

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Message-Id: <20180508160437.aa262315a98eaa0d3631bb27@linux-foundation.org>
Date:   Tue, 8 May 2018 16:04:37 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de,
        David Howells <dhowells@...hat.com>
Subject: Re: [PATCH REPOST] rbtree: include rcu.h because we use it

On Fri,  4 May 2018 12:31:59 +0200 Sebastian Andrzej Siewior <bigeasy@...utronix.de> 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?