linux-kernel - Re: [PATCH] scsi: ufs: Schedule clk gating work on correct queue

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Message-ID: <yq1bm7sm63p.fsf@oracle.com>
Date:   Wed, 17 Oct 2018 20:49:30 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Evan Green <evgreen@...omium.org>
Cc:     Vinayak Holikatti <vinholikatti@...il.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        sayalil@...eaurora.org
Subject: Re: [PATCH] scsi: ufs: Schedule clk gating work on correct queue


Evan,

> With commit 10e5e37581fc ("scsi: ufs: Add clock ungating to a separate
> workqueue"), clock gating work was moved to a separate work queue with
> WQ_MEM_RECLAIM set, since clock gating could occur from a memory
> reclaim context. Unfortunately, clk_gating.gate_work was left queued
> via schedule_delayed_work, which is a system workqueue that does not
> have WQ_MEM_RECLAIM set.

Applied to 4.20/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering