[Xen-devel] do_grant_table_op()'s input array size limitation

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

Am I right in understanding that the restriction on 512 entries to be passed
in is solely to cap the time that's being spent in the hypervisor without being
able to service softirq requests as well as while the domain lock is being held?
If that's the case, eliminating that restriction could be fairly strait forward 
by
putting the majority of the function body in a loop or, perhaps even better,
calling hypercall_preempt_check() every so many entries and using the
continuation mechanism.

Thanks, Jan


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