Hi,
On 01/08/17 20:07, Stefano Stabellini wrote:
On Tue, 1 Aug 2017, Oleksandr Andrushchenko wrote:
Hi, Stefano!
On 07/31/2017 11:28 PM, Stefano Stabellini wrote:
On Mon, 31 Jul 2017, Oleksandr Andrushchenko wrote:
3 Sharing with page exchange (XENMEM_exchange)
==
On Tue, 1 Aug 2017, Oleksandr Andrushchenko wrote:
> Hi, Stefano!
>
> On 07/31/2017 11:28 PM, Stefano Stabellini wrote:
> > On Mon, 31 Jul 2017, Oleksandr Andrushchenko wrote:
> > > 3 Sharing with page exchange (XENMEM_exchange)
> > > ==
> > >
> > > Thi
Hi, Stefano!
On 07/31/2017 11:28 PM, Stefano Stabellini wrote:
On Mon, 31 Jul 2017, Oleksandr Andrushchenko wrote:
3 Sharing with page exchange (XENMEM_exchange)
==
This API was pointed to me by Stefano Stabellini as one of the possible ways
to
achie
On Mon, 31 Jul 2017, Oleksandr Andrushchenko wrote:
> 3 Sharing with page exchange (XENMEM_exchange)
> ==
>
> This API was pointed to me by Stefano Stabellini as one of the possible ways
> to
> achieve zero copying and share physically contiguous buffers
On 07/31/2017 02:58 PM, Joao Martins wrote:
On 07/31/2017 12:41 PM, Oleksandr Andrushchenko wrote:
Hi, Joao!
On 07/31/2017 02:03 PM, Joao Martins wrote:
Hey Oleksandr,
On 07/31/2017 09:34 AM, Oleksandr Andrushchenko wrote:
Hi, all!
[snip]
Comparison for display use-case
==
On 07/31/2017 12:41 PM, Oleksandr Andrushchenko wrote:
> Hi, Joao!
>
> On 07/31/2017 02:03 PM, Joao Martins wrote:
>> Hey Oleksandr,
>>
>> On 07/31/2017 09:34 AM, Oleksandr Andrushchenko wrote:
>>> Hi, all!
>>>
>> [snip]
>>> Comparison for display use-case
>>> ===
>>>
>
Hi, Joao!
On 07/31/2017 02:03 PM, Joao Martins wrote:
Hey Oleksandr,
On 07/31/2017 09:34 AM, Oleksandr Andrushchenko wrote:
Hi, all!
[snip]
Comparison for display use-case
===
1 Number of grant references used
1-1 grant references: nr_pages
1-2 GNTTABOP_transfer
On 07/31/2017 11:37 AM, Oleksandr Andrushchenko wrote:
> On 07/31/2017 01:04 PM, Julien Grall wrote:
>> On 31/07/17 10:52, Oleksandr Andrushchenko wrote:
>>> On 07/31/2017 12:47 PM, Julien Grall wrote:
On 31/07/17 10:46, Oleksandr Andrushchenko wrote:
Do you have any example of hardware?
Hey Oleksandr,
On 07/31/2017 09:34 AM, Oleksandr Andrushchenko wrote:
> Hi, all!
>
[snip]
>
> Comparison for display use-case
> ===
>
> 1 Number of grant references used
> 1-1 grant references: nr_pages
> 1-2 GNTTABOP_transfer: nr_pages
> 1-3 XENMEM_exchange: not an
On 07/31/2017 01:04 PM, Julien Grall wrote:
On 31/07/17 10:52, Oleksandr Andrushchenko wrote:
On 07/31/2017 12:47 PM, Julien Grall wrote:
On 31/07/17 10:46, Oleksandr Andrushchenko wrote:
Do you have any example of hardware? What are the performance you
require with them?
Currently our ta
On 31/07/17 10:52, Oleksandr Andrushchenko wrote:
On 07/31/2017 12:47 PM, Julien Grall wrote:
On 31/07/17 10:46, Oleksandr Andrushchenko wrote:
Do you have any example of hardware? What are the performance you
require with them?
Currently our target is Renesas R-Car Gen3
At the moment I don'
On 07/31/2017 12:47 PM, Julien Grall wrote:
On 31/07/17 10:46, Oleksandr Andrushchenko wrote:
Hi, Julien!
On 07/31/2017 12:24 PM, Julien Grall wrote:
(+ Joao)
On 31/07/17 09:34, Oleksandr Andrushchenko wrote:
Hi, all!
Hi Oleksandr,
The aim of this mail is to highlight and discuss possi
On 31/07/17 10:46, Oleksandr Andrushchenko wrote:
Hi, Julien!
On 07/31/2017 12:24 PM, Julien Grall wrote:
(+ Joao)
On 31/07/17 09:34, Oleksandr Andrushchenko wrote:
Hi, all!
Hi Oleksandr,
The aim of this mail is to highlight and discuss possible approaches to
implementing zero copying
Hi, Julien!
On 07/31/2017 12:24 PM, Julien Grall wrote:
(+ Joao)
On 31/07/17 09:34, Oleksandr Andrushchenko wrote:
Hi, all!
Hi Oleksandr,
The aim of this mail is to highlight and discuss possible approaches to
implementing zero copying for PV drivers. Rationale behind this is that
there
a
On 07/31/2017 12:31 PM, Andrew Cooper wrote:
On 31/07/17 10:03, Paul Durrant wrote:
-Original Message-
[snip]
Comparison for display use-case
===
1 Number of grant references used
1-1 grant references: nr_pages
1-2 GNTTABOP_transfer: nr_pages
1-3 XENMEM_exc
On 31/07/17 10:03, Paul Durrant wrote:
>> -Original Message-
> [snip]
>> Comparison for display use-case
>> ===
>>
>> 1 Number of grant references used
>> 1-1 grant references: nr_pages
>> 1-2 GNTTABOP_transfer: nr_pages
>> 1-3 XENMEM_exchange: not an option
>>
>
(+ Joao)
On 31/07/17 09:34, Oleksandr Andrushchenko wrote:
Hi, all!
Hi Oleksandr,
The aim of this mail is to highlight and discuss possible approaches to
implementing zero copying for PV drivers. Rationale behind this is that
there
are use-cases when drivers operate with big shared buffers,
Hi, Paul!
On 07/31/2017 12:03 PM, Paul Durrant wrote:
-Original Message-
[snip]
Comparison for display use-case
===
1 Number of grant references used
1-1 grant references: nr_pages
1-2 GNTTABOP_transfer: nr_pages
1-3 XENMEM_exchange: not an option
2 Effec
> -Original Message-
[snip]
> Comparison for display use-case
> ===
>
> 1 Number of grant references used
> 1-1 grant references: nr_pages
> 1-2 GNTTABOP_transfer: nr_pages
> 1-3 XENMEM_exchange: not an option
>
> 2 Effect of DomU crash on Dom0 (its mapped page
Hi, all!
The aim of this mail is to highlight and discuss possible approaches to
implementing zero copying for PV drivers. Rationale behind this is that
there
are use-cases when drivers operate with big shared buffers, e.g.
display, when
memory copying from front’s buffer into back’s one may s
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