linux-kernel - Re: [PATCH 0/4] replace old wq(s), added WQ_PERCPU to alloc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <176357169038.3229299.13478986754359023806.b4-ty@oracle.com>
Date: Wed, 19 Nov 2025 23:15:54 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        Marco Crivellari <marco.crivellari@...e.com>
Cc: "Martin K . Petersen" <martin.petersen@...cle.com>,
        Tejun Heo <tj@...nel.org>, Lai Jiangshan <jiangshanlai@...il.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Michal Hocko <mhocko@...e.com>,
        "James E . J . Bottomley" <James.Bottomley@...senPartnership.com>
Subject: Re: [PATCH 0/4] replace old wq(s), added WQ_PERCPU to alloc_workqueue

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