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[Xen-devel] return value checking on multicalls

Many places currently don't even check HYPERVISOR_multicall()'s return
value, not to speak of checking the individual status codes. Would it be
acceptable to add an argument to this function to request to either fold
all status values into a global success code, or to force BUG_ON() each
individual status. Or should I rather add a new function with described
behavior? Or are there other suggestions?

Thanks, Jan

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