Re: [Xen-devel] [PATCH v3 1/3] x86/ioreq server(patch for 4.7): Rename p2m_mmio_write_dm to p2m_ioreq_server.

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.04.16 at 12:35, <yu.c.zhang@xxxxxxxxxxxxxxx> wrote:
> Previously p2m type p2m_mmio_write_dm was introduced for write-
> protected memory pages whose write operations are supposed to be
> forwarded to and emulated by an ioreq server. Yet limitations of
> rangeset restrict the number of guest pages to be write-protected.
> 
> This patch replaces the p2m type p2m_mmio_write_dm with a new name:
> p2m_ioreq_server, which means this p2m type can be claimed by one
> ioreq server, instead of being tracked inside the rangeset of ioreq
> server. Patches following up will add the related hvmop handling
> code which map/unmap type p2m_ioreq_server to/from an ioreq server.
> 
> changes in v3:
>   - According to Jan & George's comments, keep HVMMEM_mmio_write_dm
>     for old xen interface versions, and replace it with HVMMEM_unused
>     for xen interfaces newer than 4.7.0; For p2m_ioreq_server, a new
>     enum - HVMMEM_ioreq_server is introduced for the get/set mem type
>     interfaces;
>   - Add George's Reviewed-by and Acked-by from Tim & Andrew.
> 
> changes in v2:
>   - According to George Dunlap's comments, only rename the p2m type,
>     with no behavior changes.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> Signed-off-by: Yu Zhang <yu.c.zhang@xxxxxxxxxxxxxxx>
> Acked-by: Tim Deegan <tim@xxxxxxx>
> Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

I hope the other three tags above are still being considered
applicable by their originators.

Jan


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