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To avoid multiple stores on fast path, Ethernet drivers aggregate the writes to data_off, refcnt, nb_segs and port to an uint64_t data and write the data in one shot with uint64_t* at &mbuf->rearm_data address. Some of the non-IA platforms have store operation overhead if the store address is not naturally aligned.This patch fixes the performance issue on those targets. Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com> Signed-off-by: Olivier Matz <olivier.matz@6wind.com> |
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Makefile |