From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Yadan Fan <ydfan@suse.com>
Cc: don.brace@microsemi.com, martin.petersen@oracle.com,
jejb@linux.vnet.ibm.com, esc.storagedev@microsemi.com,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/2] hpsa: limit transfer length to 1MB
Date: Mon, 17 Jul 2017 22:57:12 -0400 [thread overview]
Message-ID: <yq1k236fo53.fsf@oracle.com> (raw)
In-Reply-To: <20170623094006.16807-1-ydfan@suse.com> (Yadan Fan's message of "Fri, 23 Jun 2017 17:40:05 +0800")
Yadan,
> The hpsa firmware will bypass the cache for any request larger
> than 1MB, so we should cap the request size to avoid any
> performance degradation in kernels later than v4.3
Applied to 4.13/scsi-fixes. Thanks!
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2017-07-18 2:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-23 9:40 [PATCH v2 1/2] hpsa: limit transfer length to 1MB Yadan Fan
2017-06-23 9:40 ` [PATCH v2 2/2] smartpqi: " Yadan Fan
2017-06-23 13:01 ` Johannes Thumshirn
2017-07-12 21:27 ` Martin K. Petersen
2017-06-23 13:01 ` [PATCH v2 1/2] hpsa: " Johannes Thumshirn
2017-06-26 17:35 ` Martin K. Petersen
2017-07-18 2:57 ` Martin K. Petersen [this message]
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