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xen-devel
Re: [Xen-devel] Vanilla Linux 64-bit paravirt guest support
Michael Abd-El-Malek wrote:
On Apr 10, 2008, at 10:11 AM, Mark McLoughlin wrote:
On Thu, 2008-04-10 at 09:01 -0500, Jeremy Fitzhardinge wrote:
Michael Abd-El-Malek wrote:
Is 64-bit domU support available anywhere at the moment? For example,
what is the status of the git://git.et.redhat.com/xen-pvops-64.git
tree? I pulled that tree and tried building 64-bit Xen domU support
(since this tree allows you to configure the kernel with that
capability, unlike the vanilla Linux tree). But compilation failed in
enlighten.c because xen_smp_ops isn't defined in x86_64.
Try building without CONFIG_SMP, it doesn't support that yet.
Other than SMP support, does the tree represent a fully functional
64-bit PV domU support? Does it also allow all hypercalls? Put
another way: is a 64-bit PV domU from that tree less capable than a
64-bit PV domU from Xen's linux-2.6.18.8 tree?
The 32-bit domU implementation is less capable than 2.6.18-xen. For
example, it does not yet support suspend/resume/migrate or ballooning,
and a number of interesting features are not yet in a released kernel
(pvfb). Further out I hope we'll get things like dom0 support in as well.
(I'm not sure what you mean by "allow all hypercalls"; do you mean "all
features"?)
J
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