glebius b28561216a Although most of the NIC drivers are epoch ready, due to peer pressure ... switch over to opt-in instead of opt-out for epoch. Instead of IFF_NEEDSEPOCH, provide IFF_KNOWSEPOCH. If driver marks itself with IFF_KNOWSEPOCH, then ether_input() would not enter epoch when processing its packets. Now this will create recursive entrance in epoch in >90% network drivers, but will guarantee safeness of the transition. Mark several tested drivers as IFF_KNOWSEPOCH. Reviewed by: hselasky, jeff, bz, gallatin Differential Revision: https://reviews.freebsd.org/D23674		2020-02-24 21:07:30 +00:00
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virtio	Although most of the NIC drivers are epoch ready, due to peer pressure	2020-02-24 21:07:30 +00:00
beri_mem.c
beri_ring.c