linux-kernel - Re: [PATCH 28/31] mips/kvm: Only use KVM_COALESCED_MMIO_PAGE_OFFSET with KVM

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Date:	Sun, 16 Jun 2013 14:03:36 +0200
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	David Daney <ddaney.cavm@...il.com>
Cc:	linux-mips@...ux-mips.org, kvm@...r.kernel.org,
	Sanjay Lal <sanjayl@...asys.com>, linux-kernel@...r.kernel.org,
	David Daney <david.daney@...ium.com>
Subject: Re: [PATCH 28/31] mips/kvm: Only use KVM_COALESCED_MMIO_PAGE_OFFSET
 with KVM_MIPSTE

On Fri, Jun 07, 2013 at 04:03:32PM -0700, David Daney wrote:

> From: David Daney <david.daney@...ium.com>
> 
> The forthcoming MIPSVZ code doesn't currently use this, so it must
> only be enabled for KVM_MIPSTE.
> 
> Signed-off-by: David Daney <david.daney@...ium.com>
> ---
>  arch/mips/include/asm/kvm_host.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
> index 505b804..9f209e1 100644
> --- a/arch/mips/include/asm/kvm_host.h
> +++ b/arch/mips/include/asm/kvm_host.h
> @@ -25,7 +25,9 @@
>  /* memory slots that does not exposed to userspace */
>  #define KVM_PRIVATE_MEM_SLOTS 	0
>  
> +#ifdef CONFIG_KVM_MIPSTE
>  #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
> +#endif

What if KVM_MIPSTE and KVM_MIPSVZ both get enabled?

  Ralf
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