Why GICD_ITARGETSR is not used by Linux

[Russell King (Oracle)]

On Wed, Sep 21, 2022 at 04:34:32AM +0200, Li Chen wrote:
> Hi Russell,
> 
>  ---- On Tue, 20 Sep 2022 12:14:24 +0200  Russell King (Oracle)  wrote --- 
>  > On Tue, Sep 20, 2022 at 11:09:38AM +0100, Russell King (Oracle) wrote:
>  > Oh, I just remembered an additional detail. There was the irqbalance
>  > daemon that used to work at that time which would do the distribution
>  > from userspace - and it knew various policies about interrupts that
>  > were found to be beneficial on x86. Such as not moving busy ethernet
>  > interrupts amongst the CPUs due to networking paths being "hot" in the
>  > cache, vs other interrupts where that didn't matter so much.
> 
> Can you help paste the irqbalance daemon project link? I want to learn more 
> about it, thanks.

Searching google for "irqbalance source" gives me as the first link:

https://github.com/Irqbalance/irqbalance

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