Re: [Xen-devel] [PATCH v7] xen/sm{e, a}p: allow disabling sm{e, a}p for Xen itself

["Jan Beulich" <jbeulich@xxxxxxxx>]

>>> He Chen <he.chen@xxxxxxxxxxxxxxx> 10/11/16 4:24 AM >>>
>Apologies for sending out a patch without testing it entirely.
>To be honest, I am not so fimilar with 32-bit PV guest...
>I create a HVM guest and then compile linux kernel with the configuration
>suggested by https://wiki.xen.org/wiki/Mainline_Linux_Kernel_Configs
>after that, I copy vmlinuz and initramfs from guest to host and I boot
>guest with PV cfg file below:
>...
>The guest fail to boot and error message says can not find modules in
>/lib/module...

Obviously, as you didn't install the kernel inside the VM.

>The problems are trivial, and may I ask for some "how to build a 32-bit
>PV guest on 64-bit host" reference wiki page or threads?

I don't think anything like this exists, but where's the problem of grabbing
some 32-bit installation media and installing a PV guest from it? Also,
you running into these problems now suggests you didn't even try to test
things up to v6?

Jan


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