[Xen-devel] grant table size

["Durrant, Paul" <pdurrant@xxxxxxxxxx>]

I've dealt with a few problems over the years where the root cause was a guest 
running out of grant table and so I'm wondering whether it would be a good idea 
to allow a toolstack to increase the table size of a running guest, e.g. when 
plugging in a new PV interface.
It would appear that current Linux guests would not be able to make use of this 
as it stands (but that could be fixed), but as far as I can tell a pvops kernel 
would not misbehave if the maximum table size were to increase. Similarly 
Windows PV drivers would need modification to make use of a dynamic maximum 
table size but would not misbehave as is.
Does anyone have any objection to the idea?

  Paul 

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