[RPi5] net: cadence: macb: Enable software IRQ coalescing by default

[Juerg Haefliger]

On Mon, 10 Mar 2025 23:26:39 +0800
Daniel J Blueman <daniel at quora.org> wrote:

> The macb ethernet driver (Raspberry Pi 5) delivers interrupts only to
> the first core, quickly saturating it at higher packet rates.
> 
> Introducing software interrupt coalescing dramatically alleviates this
> limitation; the oneliner fix is upstream in
> d57f7b45945ac0517ff8ea50655f00db6e8d637c.
> 
> Please backport this fix to the Ubuntu Raspi 6.8 and 6.11 kernels to
> bring this benefit to more Raspberry Pis; it applies cleanly on these
> branches.

Can you please open a bug report for this?

https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+filebug

Thanks
...Juerg

> 
> Many thanks,
>   Daniel

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