>>> On 25.08.17 at 14:03, wrote:
> On 25/08/17 13:58, Jan Beulich wrote:
> On 25.08.17 at 13:40, wrote:
>>> In the Linux kernel I would then:
>>>
>>> - Re-add grant v2 support
>>> - Add boot parameter for selecting grant v1 or v2
>>> - Use grant v2 if selected via boot parameter, or (pv only:
On 25/08/17 13:58, Jan Beulich wrote:
On 25.08.17 at 13:40, wrote:
>> So what about the following idea:
>>
>> - Set the default max number of grant frames to 32 on "small" hosts
>> (max. physical memory address below 16TB) and to 64 on "large"
>> hosts
>
> This looks reasonable to me as
>>> On 25.08.17 at 13:40, wrote:
> So what about the following idea:
>
> - Set the default max number of grant frames to 32 on "small" hosts
> (max. physical memory address below 16TB) and to 64 on "large"
> hosts
This looks reasonable to me as long as it's properly documented.
> - Add a pe
On 24/08/17 17:20, Jan Beulich wrote:
On 24.08.17 at 17:13, wrote:
>> On 24/08/17 17:04, Jan Beulich wrote:
>> On 24.08.17 at 16:48, wrote:
How would the guest know whether using v2 grants is no disadvantage?
>>>
>>> As said - it's always going to be a disadvantage. Even if controll
>>> On 24.08.17 at 17:13, wrote:
> On 24/08/17 17:04, Jan Beulich wrote:
> On 24.08.17 at 16:48, wrote:
>>> How would the guest know whether using v2 grants is no disadvantage?
>>
>> As said - it's always going to be a disadvantage. Even if controlling
>> the number of frames per-domain, tha
On 24/08/17 17:04, Jan Beulich wrote:
On 24.08.17 at 16:48, wrote:
>> On 24/08/17 16:28, Jan Beulich wrote:
>> On 21.08.17 at 20:05, wrote:
Today a guest can get the maximum grant table frame number for the
currently selected grant table interface version (1 or 2) only. Add
>>>
>>> On 24.08.17 at 16:48, wrote:
> On 24/08/17 16:28, Jan Beulich wrote:
> On 21.08.17 at 20:05, wrote:
>>> Today a guest can get the maximum grant table frame number for the
>>> currently selected grant table interface version (1 or 2) only. Add
>>> a new grant table operation to get the lim
On 24/08/17 16:48, Juergen Gross wrote:
> On 24/08/17 16:28, Jan Beulich wrote:
> On 21.08.17 at 20:05, wrote:
>>> Today a guest can get the maximum grant table frame number for the
>>> currently selected grant table interface version (1 or 2) only. Add
>>> a new grant table operation to get t
On 24/08/17 16:28, Jan Beulich wrote:
On 21.08.17 at 20:05, wrote:
>> Today a guest can get the maximum grant table frame number for the
>> currently selected grant table interface version (1 or 2) only. Add
>> a new grant table operation to get the limits of both variants in
>> order to give
>>> On 21.08.17 at 20:05, wrote:
> Today a guest can get the maximum grant table frame number for the
> currently selected grant table interface version (1 or 2) only. Add
> a new grant table operation to get the limits of both variants in
> order to give the guest an opportunity to select the ver
Today a guest can get the maximum grant table frame number for the
currently selected grant table interface version (1 or 2) only. Add
a new grant table operation to get the limits of both variants in
order to give the guest an opportunity to select the version serving
its needs best.
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