Re: [Xen-devel] [PATCH] Scheduling groups, credit scheduler support

[Chris B <cgbook2@xxxxxxxxxxxxxx>]

My interpretation of your implementation is that it causes hierarchal  
relationships (master/slave) between domains.  Every group has one  
master and the rest are slaves.  The fixed relationships puts  
implicit limits on the organization of domains.  (See http:// 
www.hpl.hp.com/techreports/94/HPL-94-104.html, for example)
Since groups are applicable to more than just scheduling (domain  
disaggregation, convenient migration, efficient security policy,  
etc.), a more general mechanism would be preferable.
I submitted something similar in the past (Feb 20, 2007).  If anyone  
is interested, I'd be glad to submit a fresh cut of my patches as an  
RFC.
-Chris

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