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[Xen-users] xen questions
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| Subject: | [Xen-users] xen questions |
| From: | "John mathews" <john.xen@xxxxxxxxx> |
| Date: | Wed, 22 Aug 2007 16:42:44 -0700 |
| Delivery-date: | Wed, 22 Aug 2007 16:43:24 -0700 |
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Hi
I am trying to understand receive and send path of xen. why multicall is invoked during the receive path (not in transmit path). also why do we need gnttab_copy function for receive to a guest ( i don't see invocation during transmit) ? Correct me if i am wrong. i see more gnttab_release or end than gnttab_claim for a run of xen. i am naive to it (can someone explain me how dom0 is getting grant reference during the receive path?).
any pointers will be great
John
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