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RE: [Xen-devel] Why gnttab_grant_foreign_access() can only grantaccess f
| To: | "Randy Thelen" <rthelen@xxxxxxxxxx>, "Lily Huang" <ushuanglily@xxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] Why gnttab_grant_foreign_access() can only grantaccess for one page? |
| From: | "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> |
| Date: | Fri, 7 Jul 2006 10:55:57 +0100 |
| Cc: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 07 Jul 2006 02:56:26 -0700 |
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| Thread-index: | AcahjG2dp8XTING9R0WEbs1a0PnjrAAHttsg |
| Thread-topic: | [Xen-devel] Why gnttab_grant_foreign_access() can only grantaccess for one page? |
> Lily Huang wrote: > > > THis seems to be less efficient. Why cannot we allow this function > > to grant access for mulitiple pages just remap function? > > With what frequency are multiple page grants requested? You can always use multicalls for batches. In the current usage scenarios, grant tables are not typically used to map machine contiguous regions. Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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