Re: [PATCH net-next] net: use indirect call wrappers for skb_copy_datagram_iter()

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On Wed, Mar 25, 2020 at 9:41 AM Eric Dumazet [off-list ref] wrote:

On Wed, Mar 25, 2020 at 9:24 AM Paolo Abeni [off-list ref] wrote:

quoted

Just out of sheer curiosity, why don't you set NET_SCH_DEFAULT?

Because we have boot-time scripts setting optimal configs, and since we need
to set XPS properly to get correct NUMA allocations, we have to perform the qdisc
allocations after some other stuff.

(Look for netdev_queue_numa_node_read() calls)

Also, some users still expect pfifo_fast to be used when a tun device is created :)