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xen-devel
Re: [Xen-devel] Vanilla Linux 64-bit paravirt guest support
Jeremy Fitzhardinge wrote:
Michael Abd-El-Malek wrote:
Can someone tell me what the status of 64-bit paravirtualization
support is in the vanilla Linux tree? It seems that 2.6.24 only has
32-bit PV support. And it seems that 2.6.25 will be getting 64-bit PV
support. Will it be complete?
No, 2.6.25 will not have 64-bit Xen support. I'm hoping it will be
ready for .26.
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.
On a related note: is it possible to compile the PV network/block
drivers for a HVM Linux guest with the newest kernels? Compilation
failed and a previous message on the list says that you can't do
that. The reason I'd want to do this is to let me run a 64-bit recent
Linux kernel with PV drivers.
No, we don't support that for the moment, though it would be a useful
thing to have.
Is there a reason this wouldn't work, or is it just "scripting changes" that
need to be done?
Thanks,
Mike
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