From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [PATCH] virtio-spec: add field for scsi command size
Date: Mon, 08 Jul 2013 13:58:16 +0930
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To: Paolo Bonzini <pbonzini@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>
Cc: virtualization@lists.linux-foundation.org
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Paolo Bonzini <pbonzini@redhat.com> writes:
> Il 04/07/2013 09:39, Michael S. Tsirkin ha scritto:
>>> > Transport feature bits are still negotiated per device though.
>>> > virtio-scsi devices in QEMU would not negotiate that feature.
>>> > 
>>> > Paolo
>>> > 
>>>> > > So I think it needs to be a per-device feature bit.
>> We don't know that it's helpful for any devices besides -net
>> so I'd say keep it simple.
>
> Then we should stop calling it a "device model bug".
>
> If we call it a bug, we must strive for support in all devices.  If we
> don't care, we should stop calling it a bug.

This has been a cause of hot debate: this bug has fossilized into a
feature, so we ignored it as long as we could :)

I plan on proposing that this be a requirement for the 1.0 spec, so we
might as well fix it everywhere now in preparation.

Cheers,
Rusty.