[Xen-devel] [PATCH v2 04/20] xen/grant: Add helper gnttab_page_grant_foreign_access_ref

Julien Grall julien.grall at citrix.com
Thu Jul 16 09:12:51 PDT 2015

Hi Stefano,

On 16/07/2015 16:05, Stefano Stabellini wrote:
> I like this. I think it might make sense to call it
> gnttab_page_grant_foreign_access_ref_one to make clear that it is only
> granting the first 4K.

Will do.

> In the future we could introduce a new function, called
> gnttab_page_grant_foreign_access_ref, that grants all 4K in the page.

Unless having a different prototype it won't be possible to do it. This 
is because one ref = one grant. We would need a list of grant.

> In any case
> Reviewed-by: Stefano Stabellini <stefano.stabellini at eu.citrix.com>

Thank you,

Julien Grall

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