From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: "Thomas Hellström (VMware)" <thomas_os@shipmail.org>
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
pv-drivers@vmware.com, Thomas Hellstrom <thellstrom@vmware.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Vishal Bhakta <vbhakta@vmware.com>, Jim Gill <jgill@vmware.com>
Subject: Re: [PATCH RESEND 1/2] scsi: vmw_pvscsi: Fix swiotlb operation
Date: Thu, 19 Dec 2019 22:44:19 -0500 [thread overview]
Message-ID: <yq1sglf8xv0.fsf@oracle.com> (raw)
In-Reply-To: <20191203193052.7583-1-thomas_os@shipmail.org> ("Thomas Hellström (VMware)"'s message of "Tue, 3 Dec 2019 20:30:51 +0100")
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!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2019-12-20 3:44 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 ` Martin K. Petersen [this message]
2019-12-20 8:56 ` [PATCH RESEND 1/2] scsi: vmw_pvscsi: Fix swiotlb operation Thomas Hellstrom
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