[Libvir] [PATCH] Miscellaneous cleanups for virNodeGetFreeMemory and virNodeGetCellsFreeMemory

[Richard W.M. Jones]

(1) Add documentation to the hvsupport page for virNodeGetFreeMemory

(2) Fix documentation on the hvsupport page to show that the two new 
functions aren't supported in the QEMU, KVM or remote cases yet.

(3) Add DEBUG() calls to both new functions.

(4) xen_internal.c functions may now support a connection argument to 
virXenError / virXenErrorFunc.  I have modified this file so that where 
the connection is known, it is passed.  Because of the way virterror 
works, errors should always be attached to a connection if at all 
possible, otherwise there is no sane way to turn non-connection errors 
into exceptions in language bindings, and also error handling in 
threaded code won't work.

Rich.

-- 
Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/
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