From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Saurabh Sengar <ssengar@linux.microsoft.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com,
sthemmin@microsoft.com, wei.liu@kernel.org, decui@microsoft.com,
jejb@linux.ibm.com, martin.petersen@oracle.com,
linux-hyperv@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org, ssengar@microsoft.com,
mikelley@microsoft.com
Subject: Re: [PATCH v2] scsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq
Date: Thu, 11 Aug 2022 22:25:52 -0400 [thread overview]
Message-ID: <yq1lerukxjs.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <1659628534-17539-1-git-send-email-ssengar@linux.microsoft.com> (Saurabh Sengar's message of "Thu, 4 Aug 2022 08:55:34 -0700")
Saurabh,
> storvsc_error_wq workqueue should not be marked as WQ_MEM_RECLAIM
> as it doesn't need to make forward progress under memory pressure.
> Marking this workqueue as WQ_MEM_RECLAIM may cause deadlock while
> flushing a non-WQ_MEM_RECLAIM workqueue.
Applied to 5.20/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2022-08-12 2:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-04 15:55 [PATCH v2] scsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq Saurabh Sengar
2022-08-04 16:56 ` Michael Kelley (LINUX)
2022-08-12 2:25 ` Martin K. Petersen [this message]
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