[Xen-devel] netback data access synchronization question

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

With netbk_gop_frag() (called in the context of net_rx_action())
consuming data (pending_tx_info[]) invalidated in net_tx_action_dealloc()
(called from net_tx_action()), how is it guaranteed that the grant ref
used will remain valid until the hypervisor gets to validate the arguments
to GNTTABOP_copy?

Thanks, Jan


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