From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Brian King <brking@linux.vnet.ibm.com>
Cc: linux-scsi <linux-scsi@vger.kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Jens Axboe <axboe@kernel.dk>,
"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-block\@vger.kernel.org" <linux-block@vger.kernel.org>,
Bart Van Assche <Bart.VanAssche@wdc.com>,
"linuxppc-dev\@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
Wendy Xiong <wenxiong@linux.vnet.ibm.com>
Subject: Re: [PATCH] ipr: Fix scsi-mq lockdep issue
Date: Mon, 07 Aug 2017 13:41:54 -0400 [thread overview]
Message-ID: <yq18tiv9swt.fsf@oracle.com> (raw)
In-Reply-To: <6d2bbcc8-3f4b-9b41-45b2-160f4817e439@linux.vnet.ibm.com> (Brian King's message of "Tue, 1 Aug 2017 10:21:30 -0500")
Brian,
> Fixes the following lockdep warning that can occur when scsi-mq is
> enabled with ipr due to ipr calling scsi_unblock_requests from irq
> context. The fix is to move the call to scsi_unblock_requests to ipr's
> existing workqueue.
Applied to 4.13/scsi-fixes. Thank you!
--
Martin K. Petersen Oracle Linux Engineering
WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Brian King <brking@linux.vnet.ibm.com>
Cc: linux-scsi <linux-scsi@vger.kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Jens Axboe <axboe@kernel.dk>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Bart Van Assche <Bart.VanAssche@wdc.com>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
Wendy Xiong <wenxiong@linux.vnet.ibm.com>
Subject: Re: [PATCH] ipr: Fix scsi-mq lockdep issue
Date: Mon, 07 Aug 2017 13:41:54 -0400 [thread overview]
Message-ID: <yq18tiv9swt.fsf@oracle.com> (raw)
In-Reply-To: <6d2bbcc8-3f4b-9b41-45b2-160f4817e439@linux.vnet.ibm.com> (Brian King's message of "Tue, 1 Aug 2017 10:21:30 -0500")
Brian,
> Fixes the following lockdep warning that can occur when scsi-mq is
> enabled with ipr due to ipr calling scsi_unblock_requests from irq
> context. The fix is to move the call to scsi_unblock_requests to ipr's
> existing workqueue.
Applied to 4.13/scsi-fixes. Thank you!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2017-08-07 17:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-27 5:10 blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage Michael Ellerman
2017-07-27 14:02 ` Jens Axboe
2017-07-27 14:47 ` Bart Van Assche
2017-07-27 14:47 ` Bart Van Assche
2017-07-27 16:26 ` Jens Axboe
2017-07-28 6:19 ` Michael Ellerman
2017-07-28 14:25 ` Jens Axboe
2017-07-28 15:13 ` Bart Van Assche
2017-07-28 15:13 ` Bart Van Assche
2017-07-28 15:18 ` Jens Axboe
2017-07-28 15:17 ` Brian J King
2017-07-28 20:41 ` Brian King
2017-07-31 12:03 ` Michael Ellerman
2017-08-01 6:54 ` Michael Ellerman
2017-08-01 15:21 ` [PATCH] ipr: Fix scsi-mq lockdep issue Brian King
2017-08-07 17:41 ` Martin K. Petersen [this message]
2017-08-07 17:41 ` Martin K. Petersen
2017-08-01 6:55 ` blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage Michael Ellerman
2017-08-01 15:26 ` Jens Axboe
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