Re: [Xen-devel] [PATCH 4/8] xen: Use the correctly the Xen memory terminologies

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On 29/07/15 12:35, Julien Grall wrote:
> Hi Wei,
> 
> On 29/07/15 11:13, Wei Liu wrote:
>> On Tue, Jul 28, 2015 at 04:02:45PM +0100, Julien Grall wrote:
>> [...]
>>> diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
>>> index 7d50711..3b7b7c3 100644
>>> --- a/drivers/net/xen-netback/netback.c
>>> +++ b/drivers/net/xen-netback/netback.c
>>> @@ -314,7 +314,7 @@ static void xenvif_gop_frag_copy(struct xenvif_queue *queue, struct sk_buff *skb
>>>  		} else {
>>>  			copy_gop->source.domid = DOMID_SELF;
>>>  			copy_gop->source.u.gmfn =
>>> -				virt_to_mfn(page_address(page));
>>> +				virt_to_gfn(page_address(page));
>>>  		}
>>>  		copy_gop->source.offset = offset;
>>>  
>>> @@ -1284,7 +1284,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
>>>  		queue->tx_copy_ops[*copy_ops].source.offset = txreq.offset;
>>>  
>>>  		queue->tx_copy_ops[*copy_ops].dest.u.gmfn =
>>> -			virt_to_mfn(skb->data);
>>> +			virt_to_gfn(skb->data);
>>>  		queue->tx_copy_ops[*copy_ops].dest.domid = DOMID_SELF;
>>>  		queue->tx_copy_ops[*copy_ops].dest.offset =
>>>  			offset_in_page(skb->data);
>>
>> Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
>>
>> One possible improvement is to change gmfn in copy_gop to gfn as well.
>> But that's outside of netback code.
> 
> The structure gnttab_copy is part of the hypervisor interface. Is it
> fine to differ on the naming between Xen and Linux?
> 
> Or maybe we could do the change in the public headers in Xen repo too.
> Is it fine to do field renaming in public headers?

I think this series should not alter than Xen API.

David
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