Messages in this thread | | | Date | Thu, 22 May 2014 01:23:18 +0200 | From | Andi Kleen <> | Subject | Re: [RFC] x86_64: A real proposal for iret-less return to kernel |
| |
> Hardware-interrupts during kernel are actually fairly common under > network-intensive loads, even outside of idle (but idle is admittedly > likely *the* most common one). Many network loads are fairly > kernel-intensive.
For network workloads we can arbitarily coalesce interrupts or just use NAPI to lower the costs. No need to optimize network interrupts too much.
-Andi
| |