linux-kernel - Re: [PATCH 0/2] Fix EH race and MQ support

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Message-Id: <161664413898.21300.158645434947164288.b4-ty@oracle.com>
Date:   Wed, 24 Mar 2021 23:53:49 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Tyrel Datwyler <tyreld@...ux.ibm.com>,
        james.bottomley@...senpartnership.com
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        brking@...ux.ibm.com, linux-scsi@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] Fix EH race and MQ support

On Fri, 19 Mar 2021 14:50:27 -0600, Tyrel Datwyler wrote:

> Changes to the locking pattern protecting the event lists and handling of scsi
> command completion introduced a race where an ouststanding command that EH is
> waiting ifor to complete is no longer identifiable by being on the sent list, but
> instead as a command that is not on the free list. This is a result of moving
> commands to be completed off the sent list to a private list to be completed
> outside the list lock.
> 
> [...]

Applied to 5.12/scsi-fixes, thanks!

[1/2] ibmvfc: fix potential race in ibmvfc_wait_for_ops
      https://git.kernel.org/mkp/scsi/c/8b1c9b202549
[2/2] ibmvfc: make ibmvfc_wait_for_ops MQ aware
      https://git.kernel.org/mkp/scsi/c/62fc2661482b

-- 
Martin K. Petersen	Oracle Linux Engineering