Re: [PATCH RFC 1/1] genirq: Make threaded handler use irq affinity for managed interrupt
From: Qais Yousef
Date: Mon Dec 09 2019 - 10:49:38 EST
On 12/09/19 15:17, 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.
There's the Cortex-A65 too.
> ARM SMT CPUs are the absolute minority (and I can't say I'm displeased).
> Jazz is not dead. It just smells funny...