Re: [Xen-devel] What is domain creation flow-chart in XEND

[Anthony Liguori <anthony@xxxxxxxxxxxxx>]

Nauzad Sadry wrote:

> Hello folks
>
> how does XEND pass the information abt the control channel in DomainU??. 
>
>  
What information in particular are you referring to?  Are you talking 
about how it passes the information through the control channel or how 
it sets up the control channel?
> I see xc_linux_build() function does set the control channel info, but
> I do not see anybody in XEND using xc_linux_build (). Am I correct ??
>  
Yeah, this has confused me a little too.  xfrd does call 
xc_linux_build.  Here's my understanding (this could be totally wrong).  
Xend uses the config file to build a LISP expression that it passes to 
xfrd.  xfrd is what actually calls xc_linux_build.  docs/misc/xend.tex 
and docs/misc/xen_config.html explain this stuff although neither 
mentions xfrd.
> > From what I am understanding x2d2 is like a miniXend for testing
> purposes. The actual XEND does NOT communicate with x2d2.
>  
This is correct.  Looks like x2d2 is a bit older too because it doesn't 
actually do an evtchn_send which I believe means it won't actually work 
with today's kernels.
Regards,

> Thanks
>
> Nauzad
>  


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