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

[Ingo Molnar]

* Borislav Petkov <bp@xxxxxxx> wrote:

> On Mon, Apr 13, 2015 at 08:39:17PM +1000, Stephen Rothwell wrote:
> > Hi Paul,
> > 
> > After merging the rcu tree, today's linux-next build (powerpc allnoconfig)
> > failed like this:
> > 
> > init/main.c: In function 'rest_init':
> > init/main.c:387:2: error: implicit declaration of function 'smpboot_thread_init' [-Werror=implicit-function-declaration]
> >   smpboot_thread_init();
> >   ^
> > 
> > Caused by commit c55f6e1f6f69 ("cpu: Defer smpboot kthread unparking
> > until CPU known to scheduler").  The declaration in include/linux/cpu.h
> > is protected by CONFIG_SMP, its use is not.
> > 
> > I have reverted that commit for today.
> 
> Thanks for the report Stephen, I know today is the day of b0rked
> linux-next builds :-(
> 
> I think Ingo merged Paul's patch already so here's a fix ontop:

Yeah, I too triggered that build failure and fixed it locally.

Thanks,

	Ingo
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