From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [PATCH] KVM: Clarify KVM_ASSIGN_PCI_DEVICE documentation
Date: Thu, 2 Jun 2011 23:04:14 -0300
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Cc: Avi Kivity <avi@redhat.com>, kvm <kvm@vger.kernel.org>
To: Jan Kiszka <jan.kiszka@web.de>
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On Thu, Jun 02, 2011 at 04:16:09PM +0200, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@siemens.com>
> 
> Neither host_irq nor the guest_msi struct are used anymore today.
> Tag the former, drop the latter to avoid confusion.
> 
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
>  Documentation/virtual/kvm/api.txt |    7 +------
>  1 files changed, 1 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
> index 2bd06b0..7adc1ac 100644
> --- a/Documentation/virtual/kvm/api.txt
> +++ b/Documentation/virtual/kvm/api.txt
> @@ -1143,15 +1143,10 @@ Assigns an IRQ to a passed-through device.
>  
>  struct kvm_assigned_irq {
>  	__u32 assigned_dev_id;
> -	__u32 host_irq;
> +	__u32 host_irq;		/* ignored (legacy field) */
>  	__u32 guest_irq;
>  	__u32 flags;
>  	union {
> -		struct {
> -			__u32 addr_lo;
> -			__u32 addr_hi;
> -			__u32 data;
> -		} guest_msi;
>  		__u32 reserved[12];
>  	};
>  };

Please update the kernel headers accordingly.