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> Dunlap ; Tim (Xen.org) ; Julien
> Grall ; Jan Beulich
> Subject: Re: [Xen-devel] [PATCH v2] iommu / p2m: add a page_order
> parameter to iommu_map/unmap_page()
>
> On Mon, Oct 29, 2018 at 01:29:28PM +, Paul Durrant wrote:
> > The P2M code currently contains many
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 30 October 2018 17:05
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; George Dunlap ; Ian
> Jackson ; Wei Liu ; Jun
> Nakajima ; Kevin Tian ;
> Stefano Stabellini ; xen-devel
>>> On 30.10.18 at 17:56, wrote:
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 30 October 2018 16:08
>>
>> >>> On 29.10.18 at 14:29, wrote:
>> > --- a/xen/common/grant_table.c
>> > +++ b/xen/common/grant_table.c
>> > @@ -1142,12 +1142,14 @@ map_grant_ref(
>> > {
>> >
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 30 October 2018 16:08
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; George Dunlap ; Wei
> Liu ; Ian Jackson ; Jun
> Nakajima ; Kevin Tian ;
> Stefano Stabellini ; xen-devel
>>> On 29.10.18 at 14:29, wrote:
> --- a/xen/common/grant_table.c
> +++ b/xen/common/grant_table.c
> @@ -1142,12 +1142,14 @@ map_grant_ref(
> {
> if ( !(kind & MAPKIND_WRITE) )
> err = iommu_map_page(ld, _dfn(mfn_x(mfn)), mfn,
> +
On Mon, Oct 29, 2018 at 01:29:28PM +, Paul Durrant wrote:
> The P2M code currently contains many loops to deal with the fact that,
> while it may be require to handle page orders greater than 4k, the
> IOMMU map and unmap functions do not.
> This patch adds a page_order parameter to those
The P2M code currently contains many loops to deal with the fact that,
while it may be require to handle page orders greater than 4k, the
IOMMU map and unmap functions do not.
This patch adds a page_order parameter to those functions and implements
the necessary loops within. This allows the P2M
