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

From: Pranith Kumar <[email-masked]>
Date: Wed, 10 Dec 2014 10:03:57 -0500

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!
--
Pranith