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Roger Pau Monne
b2ea81d2b9
Slightly change the meaning of the command line
gnttab_max_{maptrack_,}frames: do not use them as upper bounds for the
passed values at domain creation, instead just use them as defaults
in the absence of any provided value.
It's not very useful for the options to be used both as defaults and
as capping values for domain creation inputs. The defaults passed on
the command line are used by dom0 which has a very different grant
requirements than a regular domU. dom0 usually needs a bigger
maptrack array, while domU usually require a bigger number of grant
frames.
The relaxation in the logic for the maximum size of the grant and
maptrack table sizes doesn't change the fact that domain creation
hypercall can cause resource exhausting, so disaggregated setups
should take it into account.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
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