[Xen-devel] clarification regarding paravirtualized kernel for dom0

[Aastha Mehta <aasthakm@xxxxxxxxx>]

Hello,

I want to install paravirtualized dom0 kernel (from source) on  my machine, but I seem to be missing something. Based on the configuration instructions at http://wiki.xen.org/wiki/Mainline_Linux_Kernel_Configs, I am trying to configure linux kernel 3.10.10 for dom0 and domU. I do not find the CONFIG_PARAVIRT_GUEST flag in my .config at all. There are CONFIG_PARAVIRT and CONFIG_HYPERVISOR_GUEST (as mentioned that this is available 3.10+ onwards only). Currently the dom0 is installed with hvm capabilities only.

# xl info
release                : 3.10.10-xen
...
hw_caps                : bfebfbff:28100800:00000000:00007f00:77bae3ff:00000000:00000001:00000281
virt_caps              : hvm hvm_directio
...
xen_version            : 4.4-unstable
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64

Am I trying to use a wrong kernel? Is it the case that pvops for dom0 is only available on kernel 2.6.32.x?

Thanks,

Aastha Mehta

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