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

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Message-ID: <20180509215555.sihdfmijkx4nd6y2@linutronix.de>
Date:   Wed, 9 May 2018 23:55:56 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Andrew Morton <akpm@...ux-foundation.org>
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 2018-05-08 16:04:37 [-0700], Andrew Morton wrote:
> 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?
I've seen them only in -RT. No backporting needed.

Sebastian