Re: [PATCH RFC 1/1] genirq: Make threaded handler use irq affinity for managed interrupt

Hannes Reinecke
2019-12-09T15:25:06Z

On 12/9/19 4:17 PM, Marc Zyngier wrote:
> On 2019-12-09 15:09, Hannes Reinecke wrote:
>
> [slight digression]
>
>> My idea here is slightly different: can't we leverage SMT?
>> Most modern CPUs do SMT (I guess even ARM does it nowadays)
>> (Yes, I know about spectre and things. We're talking performance here :-)
>
> I only know two of those: Cavium TX2 and ARM Neoverse-E1.
> ARM SMT CPUs are the absolute minority (and I can't say I'm displeased).
>
Ach, too bad.

Still a nice idea, putting SMT finally to some use ...

Cheers,

Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
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