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

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Message-ID: <548860DD.7040003@gmail.com>
Date:	Wed, 10 Dec 2014 10:03:57 -0500
From:	Pranith Kumar <bobby.prani@...il.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
CC:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the rcu tree

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
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