Why GICD_ITARGETSR is not used by Linux

[Li Chen]

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.

Regards,
Li