Messages in this thread | | | Date | Fri, 19 Jan 2018 13:47:27 -0500 (EST) | Subject | Re: [RFC PATCH 1/4] softirq: Limit vector to a single iteration on IRQ tail | From | David Miller <> |
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From: Linus Torvalds <torvalds@linux-foundation.org> Date: Fri, 19 Jan 2018 10:25:03 -0800
> On Fri, Jan 19, 2018 at 8:16 AM, David Miller <davem@davemloft.net> wrote: >> >> So this "get requeued" condition I think will trigger always for >> networking tunnel decapsulation. > > Hmm. Interesting and a perhaps bit discouraging. > > Will it always be just a _single_ level of indirection, or will double > tunnels (I assume some people do that, just because the universe is > out to get us) then result in this perhaps repeating several times?
Every level of tunnel encapsulation will trigger a new softirq.
So if you have an IP tunnel inside of an IP tunnel that will trigger twice.
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