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

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Date:	Wed, 10 Dec 2014 07:18:29 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Pranith Kumar <bobby.prani@...il.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the rcu tree

On Wed, Dec 10, 2014 at 10:03:57AM -0500, Pranith Kumar wrote:
> On 12/10/2014 03:09 AM, Stephen Rothwell wrote:
> > Hi Paul,
> > 
> > After merging the rcu tree, today's linux-next build (powerpc64
> > allnoconfig) failed like this:
> > 
> > In file included from arch/powerpc/include/asm/kvm_ppc.h:30:0,
> >                  from arch/powerpc/kernel/setup_64.c:68:
> > include/linux/kvm_host.h:366:21: error: field 'srcu' has incomplete type
> >   struct srcu_struct srcu;
> >                      ^
> > include/linux/kvm_host.h:367:21: error: field 'irq_srcu' has incomplete type
> >   struct srcu_struct irq_srcu;
> >                      ^
> > 
> > Presumably caused by commit 6e8ef258b669 ("srcu: Isolate srcu sections
> > using CONFIG_SRCU").
> > 
> > I have reverted that commit again for today - more work required ...
> > 
> 
> Looks like there are other places which use KVM unconditionally. I will try to look and fix such uses. 
> 
> Paul, can you drop the patch until then? Thanks!

Done!

							Thanx, Paul

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