linux-kernel - Re: [PATCH 7/9] KVM: define kvm_bad

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Date:	Thu, 2 Aug 2012 09:54:29 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
Cc:	Avi Kivity <avi@...hat.com>, LKML <linux-kernel@...r.kernel.org>,
	KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH 7/9] KVM: define kvm_bad_page statically

On Sun, Jul 29, 2012 at 04:16:28PM +0800, Xiao Guangrong wrote:
> It is used to eliminate the overload of function call and cleanup
> the code
> 
> Signed-off-by: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
> ---
>  include/linux/kvm_host.h |    9 +++++++--
>  virt/kvm/async_pf.c      |    2 +-
>  virt/kvm/kvm_main.c      |   13 +------------
>  3 files changed, 9 insertions(+), 15 deletions(-)
> 
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index 387ecc5..08a9da9 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -68,6 +68,13 @@ static inline int is_invalid_pfn(pfn_t pfn)
>  	return !is_noslot_pfn(pfn) && is_error_pfn(pfn);
>  }
> 
> +#define kvm_bad_page	(ERR_PTR(-ENOENT))

KVM_ERR_PTR_BAD_PAGE ...


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