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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: David Gibson <david@gibson.dropbear.id.au>
Cc: stefanha@redhat.com, pbonzini@redhat.com, famz@redhat.com,
	jejb@linux.vnet.ibm.com, martin.petersen@oracle.com,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] virtio_scsi: Always try to read VPD pages
Date: Wed, 19 Apr 2017 19:12:56 -0400	[thread overview]
Message-ID: <yq1mvbcrnyf.fsf@oracle.com> (raw)
In-Reply-To: <20170413021300.25023-1-david@gibson.dropbear.id.au> (David Gibson's message of "Thu, 13 Apr 2017 12:13:00 +1000")


David,

> Passed through SCSI targets may have transfer limits which come from
> the host SCSI controller something on the host side other than the
> target itself.
>
> To make this work properly, the hypervisor can adjust the target's VPD
> information to advertise these limits.  But for that to work, the
> guest has to look at the VPD pages, which we won't do by default if it
> is an SPC-2 device, even if it does actually support it.

Applied to 4.12/scsi-queue.

-- 
Martin K. Petersen	Oracle Linux Engineering

      parent reply	other threads:[~2017-04-19 23:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-13  2:13 David Gibson
2017-04-13 13:39 ` Stefan Hajnoczi
2017-04-19 14:57   ` Paolo Bonzini
2017-04-19 23:12 ` Martin K. Petersen [this message]

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