Re: [PATCH v3] sched/isolation: add a workqueue parameter onto isolcpus to constrain unbound CPUs

From: Tejun Heo
Date: Mon Jun 26 2023 - 16:54:56 EST


On Thu, Jun 22, 2023 at 11:22:17AM +0800, tiozhang wrote:
> Motivation of doing this is to better improve boot times for devices when
> we want to prevent our workqueue works from running on some specific CPUs,
> i,e, some CPUs are busy with interrupts.
>
> Also remove HK_FLAG_WQ from nohz_full to prevent nohz_full overriding
> workqueue's cpu config.
>
> Suggested-by: Tejun Heo <tj@xxxxxxxxxx>
> Signed-off-by: tiozhang <tiozhang@xxxxxxxxxxxxxx>

Let's just do the workqueue specific parameter. I'll apply the other one to
the workqueue branch after the merge window.

Thanks.

--
tejun