[Xen-users] xc_linux_save(): which context does it get invoked?

["T S" <thileepan_@xxxxxxxxxxx>]

Hello,

Thanks to Ewan Mellor, I managed to get some understanding of the flow of 
events when "xm save" is called. But I still don't understand which kernel 
is doing what.
In my setup, i have the hypervisor and on top of it there is Dom-0 and a 
Guest kernels running. From Dom-0, I invoke "xm save" on Guest. This results 
in calling some python code which (A) waits in one thread to see in xenstore 
'suspend' value for control/shutdown, and (B) calls xc_save() in another 
thread. xc_save() calls xc_linux_save().
My question: Does (B) get executed in Dom-0 or Hyperviser? If I change 
xc_linux_save.c, should I compile xen, xen0, or xenU kernel to see the 
effect?
thanks,
- Ts

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