[Xen-devel] NetBSD/Xen kernel fixups?

[Derrik Pates <demon@xxxxxxxxxxxxx>]

All,

In the process of experimenting with Xen, and particularly NetBSD on 
Xen, I noticed that the Xen-patched NetBSD kernel, when invoking 'halt' 
or 'reboot' within NetBSD, it didn't exactly work like these do within 
Linux - the NetBSD domain would continue to spin (apparently invoking 
'hlt' over and over?), but the domain would not terminate by itself, 
after running 'halt', and 'reboot' would try to reboot, but wouldn't 
succeed - it would claim it was trying to reboot, and stop.
I went in and added calls to HYPERVISOR_shutdown() and 
HYPERVISOR_reboot() in what appeared to be appropriate places, and now 
'halt' and 'reboot' do work as expected. However, I'd also like to be 
able to use the 'xm shutdown' command from domain 0. Is there any 
interest in a patch to the netbsd-2.0-xen-sparse tree, that includes 
these changes? I'll have to research how one would execute a userspace 
command from within the kernel, as Linux does, to handle that operation.
--
Derrik Pates
demon@xxxxxxxxxxxxx


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