Re: [PATCH V2 1/2] xen/granttable: Support sub-page grants

From: Ian Campbell
Date: Fri Dec 09 2011 - 03:37:16 EST


On Fri, 2011-12-09 at 07:45 +0000, annie li wrote:
>
> On 2011-12-9 13:19, annie li wrote:
> > Hi Paul,
> >
> >>>> #define get_free_entry() get_free_entries(1)
> > Is this necessary? Maybe you defined this to keep consistence with
> > put_free_entry(ref)?
> > But other functions such as gnttab_grant_foreign_transfer and
> > gnttab_grant_foreign_access all call get_free_entries(1). Maybe it is
> > better to keep initial get_free_entries(1) code?
> Another approach is doing those work in a separate patch -- changing
> get_free_entries to get_free_entry in following 4 functions:

I think you shouldn't get too bogged down in get_free_entry() vs
get_free_entries(1) for the purposes of this patch series.

Ian.

> gnttab_grant_foreign_access
> gnttab_grant_foreign_access_subpage
> gnttab_grant_foreign_access_trans
> gnttab_grant_foreign_transfer
>
> Thanks
> Annie


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