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Re: [Xen-devel] allocate_empty_lowmem_region hypervisor function
| To: | Mark Williamson <mark.williamson@xxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] allocate_empty_lowmem_region hypervisor function |
| From: | Ross McIlroy <ross.mcilroy@xxxxxxxxx> |
| Date: | Tue, 2 Aug 2005 14:20:59 +0100 |
| Cc: | cwc22@xxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, Ross C Mcilroy <mcilrorc@xxxxxxxxxxxxx> |
| Delivery-date: | Tue, 02 Aug 2005 13:19:29 +0000 |
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| Reply-to: | Ross McIlroy <ross.mcilroy@xxxxxxxxx> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
> It's only used in the backend drivers, so I guess the build is trying to omit > that as dead code as far as a domU is concerned. Could it be added to DomU, otherwise there is no way to map foreign pages using the grant tables in unprivileged domains. I thought the point of grant tables was to allow inter domain communication between non-privileged domains? I could easily supply a patch if people think this should be possible. > IIRC the function is pure Linux-isms with no Xen-specifics, so it should be > fine to > build into a domU (or even x86 Linux). It uses the balloon driver and hypervisor calls, so I don't think it would work in x86 Linux, but it works fine in DomU. Thanks, Ross _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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