Messages in this thread | | | From | Toke Høiland-Jørgensen <> | Subject | Re: [PATCH net-next 15/24] net: Use nested-BH locking for XDP redirect. | Date | Sat, 20 Jan 2024 15:41:43 +0100 |
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Jakub Kicinski <kuba@kernel.org> writes:
> On Thu, 18 Jan 2024 12:51:18 +0100 Toke Høiland-Jørgensen wrote: >> I do agree that conceptually it makes a lot of sense to encapsulate the >> budget like this so drivers don't have to do all this state tracking >> themselves. It does appear that drivers are doing different things with >> the budget as it is today, though. For instance, the intel drivers seem >> to divide the budget over all the enabled RX rings(?); so I'm wondering >> if it'll be possible to unify drivers around a more opaque NAPI poll API? > > We can come up with APIs which would cater to multi-queue cases. > Bigger question is what is the sensible polling strategy for those, > just dividing the budget seems, hm, crude.
Right, agreed, though I don't have a good answer for what else to do off the top of my head...
-Toke
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