linux-kernel - Re: linux-next: build warning after merge of the rcu tree

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Message-ID: <20200310024942.GX2935@paulmck-ThinkPad-P72>
Date:   Mon, 9 Mar 2020 19:49:42 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the rcu tree

On Tue, Mar 10, 2020 at 01:27:09PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the rcu tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
> 
> WARNING: "rcu_tasks_rude_wait_gp" [vmlinux] is a static EXPORT_SYMBOL_GPL

Good catch, will fix, thank you!

> Introduced by commit
> 
>   cbd703932774 ("rcu-tasks: Add an RCU-tasks rude variant")
> 
> Why is all that code in a header file?  Do you intend to have those
> functions defined in each C file that includes kernel/rcu/tasks.h?

Same setup as for tree_plugin.h, tree_exp.h, tree_stall.h, and so in
in that same directory.  Plugins of various sorts.

							Thanx, Paul