>>> On 18.12.15 at 07:29, wrote:
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: Wednesday, December 16, 2015 3:58 PM
>>
>> ... since we don't need its virtual address anywhere (it's a
>> placeholder page only after all). For this wo work (and possibly be
>> done elsewhere too) share_xe
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: Wednesday, December 16, 2015 3:58 PM
>
> ... since we don't need its virtual address anywhere (it's a
> placeholder page only after all). For this wo work (and possibly be
> done elsewhere too) share_xen_page_with_guest() needs to mark pages
>
>>> On 16.12.15 at 13:11, wrote:
> On 16/12/15 07:57, Jan Beulich wrote:
>> Alternatives might be to use a
>> - global (or perhaps per-node) page across VMs (on the basis that VMs
>> shouldn't be writing into that page anyway)
>
> I am surprised by the concern about a zeroed page, yet not conce
On 16/12/15 07:57, Jan Beulich wrote:
> ... since we don't need its virtual address anywhere (it's a
> placeholder page only after all). For this wo work (and possibly be
"to work"
> done elsewhere too) share_xen_page_with_guest() needs to mark pages
> handed to it as Xen heap ones.
>
> To be on
... since we don't need its virtual address anywhere (it's a
placeholder page only after all). For this wo work (and possibly be
done elsewhere too) share_xen_page_with_guest() needs to mark pages
handed to it as Xen heap ones.
To be on the safe side, also explicitly clear the page (not having don
