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[Xen-devel] Grant Table Hyper Calls For Sharing Memory

  • To: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Kumar, Venkat" <Venkat.Kumar@xxxxxxx>
  • Date: Wed, 20 Aug 2008 14:03:11 +0800
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Delivery-date: Tue, 19 Aug 2008 23:03:43 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AckCimzoEXP+DGKXTziIh1OfTkiZwg==
  • Thread-topic: Grant Table Hyper Calls For Sharing Memory

I was following an email chain in the xen mailing list on HVM hypercalls on grant tables and the email chain link is below



This link says that we need not required hypercalls to share memory b/w HVM’s.


But as far as my understanding of sharing memory is concerned, I think the memory is shared using grant table mechanism and we would need Hypercall support related to grant tables to make this possible.


Correct me if I am wrong.


Or is there any other way of sharing memory or Inter domain communication?





Venkata Kumar Duvvuru,

LSI Engenio,

Adv. Development,


Mob: +91-9880318542

Off : +91-80-41978700 ( Extn : 3544 )



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