Re: [Patch v4 1/3] lib: Restrict cpumask_local_spread to houskeeping CPUs
From: Thomas Gleixner
Date: Fri Apr 30 2021 - 14:21:40 EST
Nitesh,
On Fri, Apr 30 2021 at 12:14, Nitesh Lal wrote:
> Based on this analysis and the fact that with your re-work the interrupts
> seems to be naturally spread across the CPUs, will it be safe to revert
> Jesse's patch
>
> e2e64a932 genirq: Set initial affinity in irq_set_affinity_hint()
>
> as it overwrites the previously set IRQ affinity mask for some of the
> devices?
That's a good question. My gut feeling says yes.
> IMHO if we think that this patch is still solving some issue other than
> what Jesse has mentioned then perhaps we should reproduce that and fix it
> directly from the request_irq code path.
Makes sense.
Thanks,
tglx