Re: [PATCH 0/4] replace old wq(s), added WQ_PERCPU to alloc_workqueue
From: Martin K. Petersen
Date: Wed Nov 19 2025 - 23:16:44 EST
On Fri, 31 Oct 2025 10:56:39 +0100, Marco Crivellari wrote:
> === Current situation: problems ===
>
> Let's consider a nohz_full system with isolated CPUs: wq_unbound_cpumask is
> set to the housekeeping CPUs, for !WQ_UNBOUND the local CPU is selected.
>
> This leads to different scenarios if a work item is scheduled on an
> isolated CPU where "delay" value is 0 or greater then 0:
> schedule_delayed_work(, 0);
>
> [...]
Applied to 6.19/scsi-queue, thanks!
[1/4] scsi: replace use of system_unbound_wq with system_dfl_wq
https://git.kernel.org/mkp/scsi/c/cd87aa2e507a
[2/4] scsi: qla2xxx: WQ_PERCPU added to alloc_workqueue users
https://git.kernel.org/mkp/scsi/c/5ca003bb4381
[3/4] scsi: scsi_dh_alua: WQ_PERCPU added to alloc_workqueue users
https://git.kernel.org/mkp/scsi/c/afad6b34defe
[4/4] scsi: scsi_transport_fc: WQ_PERCPU added to alloc_workqueue users
https://git.kernel.org/mkp/scsi/c/f76e4e1e836d
--
Martin K. Petersen