From: Thomas Hellstrom <thellstrom@vmware.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>,
"Thomas Hellström (VMware)" <thomas_os@shipmail.org>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Pv-drivers <Pv-drivers@vmware.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
Vishal Bhakta <vbhakta@vmware.com>, Jim Gill <jgill@vmware.com>
Subject: Re: [PATCH RESEND 1/2] scsi: vmw_pvscsi: Fix swiotlb operation
Date: Fri, 20 Dec 2019 08:56:12 +0000 [thread overview]
Message-ID: <MN2PR05MB61418001C0180C55D4D72B45A12D0@MN2PR05MB6141.namprd05.prod.outlook.com> (raw)
In-Reply-To: yq1sglf8xv0.fsf@oracle.com
On 12/20/19 4:44 AM, Martin K. Petersen wrote:
> Thomas,
>
>> With swiotlb, the first byte of the sense buffer may in some cases be
>> uninitialized since we use DMA_FROM_DEVICE, and the device incorrectly
>> doesn't clear it. In those cases, clear it after DMA unmapping.
> Applied 1+2 to 5.6/scsi-queue, thanks!
>
Thanks!
Thomas
prev parent reply other threads:[~2019-12-20 8:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-03 19:30 [PATCH RESEND 1/2] scsi: vmw_pvscsi: Fix swiotlb operation Thomas Hellström (VMware)
2019-12-03 19:30 ` [PATCH RESEND 2/2] scsi: vmw_pvscsi: Silence dma mapping errors Thomas Hellström (VMware)
2019-12-20 3:44 ` [PATCH RESEND 1/2] scsi: vmw_pvscsi: Fix swiotlb operation Martin K. Petersen
2019-12-20 8:56 ` Thomas Hellstrom [this message]
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