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Re: Deferred if_start

On Fri, Dec 02, 2016 at 04:07:24PM +0900, Ryota Ozaki wrote:
> We need it for MP-ification of bpf because some drivers call
> if_start (or equivalent, say drvX_start) from hardware
> interrupt, which means that bpf_mtap is also called from
> hardware interrupt. That makes MP-ification hard.

What is the reason for bpf_mtap to fail in hardware interrupt context?
I really don't like this requirement change.


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