linux-kernel - Re: [RFC Patch] virtio: export model and type in /sys

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Date:	Mon, 31 Jan 2011 14:35:24 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Amerigo Wang <amwang@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Stephen Hemminger <shemminger@...tta.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Anthony Liguori <aliguori@...ibm.com>,
	Jamie Lokier <jamie@...reable.org>,
	Thomas Weber <swirl@....li>,
	Ben Hutchings <ben@...adent.org.uk>,
	David Woodhouse <David.Woodhouse@...el.com>,
	Andy Fleming <afleming@...escale.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [RFC Patch] virtio: export model and type in /sys

On Mon, 31 Jan 2011 01:23:00 pm Amerigo Wang wrote:
> Our kdump script needs /sys/block/X/device/{vendor, model, type},
> but virtio devices don't have {model, type}, this patch adds them.
> Actually, I don't know how to fill the model field, other block devices
> seem read it from SCSI. Any comments?

This seems deeply wrong.  Can't you fix your script?  

Model might sanely map to the feature bits, but making the type the same
as the PCI type is weird...

Confused,
Rusty.
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