From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Tony Battersby <tonyb@cybernetics.com>
Cc: Quinn Tran <qutran@marvell.com>,
Nilesh Javali <njavali@marvell.com>,
GR-QLogic-Storage-Upstream@marvell.com,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH] scsi: qla2xxx: Disable ATIO interrupt coalesce for quad port ISP27XX
Date: Mon, 01 Aug 2022 19:57:57 -0400 [thread overview]
Message-ID: <yq1k07r34c2.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <97dcf365-89ff-014d-a3e5-1404c6af511c@cybernetics.com> (Tony Battersby's message of "Wed, 20 Jul 2022 09:43:52 -0400")
Quinn/Nilesh: Please review, thanks!
> I am using a quad-port 16 Gbps QLE2694L (ISP2071) with SCST 3.6 +
> qla2x00t-32gbit and kernel 5.15. The following old commit that went
> into upstream kernel v4.16 is causing a problem for me:
>
> commit d2b292c3f6fdef5819a276acd64915bae6384a7f
> Author: Quinn Tran <quinn.tran@cavium.com>
> Date: Thu Dec 28 12:33:17 2017 -0800
>
> scsi: qla2xxx: Enable ATIO interrupt handshake for ISP27XX
>
> Enable ATIO Q interrupt handshake for ISP27XX. This patch
> coalesce ATIO's interrupts for Quad port ISP27XX adapter.
> Interrupt coalesce allows performance to scale for this
> specific case.
>
> This commit was present in qla2xxx when qla2x00t-32gbit was first
> imported into SCST.
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2022-08-01 23:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-20 13:43 [PATCH] scsi: qla2xxx: Disable ATIO interrupt coalesce for quad port ISP27XX Tony Battersby
2022-08-01 23:57 ` Martin K. Petersen [this message]
2022-08-03 14:34 ` Himanshu Madhani
2022-08-05 10:09 ` [EXT] " Nilesh Javali
2022-08-12 1:58 ` Martin K. Petersen
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