From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Subject: Re: [PATCH] virtio-spec: add field for scsi command size
Date: Thu, 04 Jul 2013 11:05:13 +0200 [thread overview]
Message-ID: <51D53AC9.80506@redhat.com> (raw)
In-Reply-To: <20130704073912.GE2095@redhat.com>
Il 04/07/2013 09:39, Michael S. Tsirkin ha scritto:
>>>>> > > > > Mainly because I'm not sure that *all* devices are now safe. Are they?
>>>> > > >
>>>> > > > virtio-scsi's implementation in QEMU is not safe (been delaying that for
>>>> > > > too long, sorry), but the spec is safe.
>>> > >
>>> > > Then if we added a transport feature, we couldn't use it :(
>> >
>> > 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.
Paolo
next prev parent reply other threads:[~2013-07-04 9:05 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-14 11:10 [PATCH] virtio-spec: add field for scsi command size Michael S. Tsirkin
2013-03-14 15:15 ` Paolo Bonzini
2013-03-14 17:39 ` Michael S. Tsirkin
2013-03-17 9:26 ` Michael S. Tsirkin
2013-06-13 4:42 ` Rusty Russell
2013-06-13 7:33 ` Michael S. Tsirkin
2013-06-13 8:02 ` Michael S. Tsirkin
2013-06-13 8:10 ` Michael S. Tsirkin
2013-06-17 6:37 ` Michael S. Tsirkin
2013-06-19 4:46 ` Rusty Russell
2013-06-19 8:24 ` Michael S. Tsirkin
2013-06-19 8:28 ` Paolo Bonzini
2013-06-19 9:21 ` Michael S. Tsirkin
2013-06-20 2:40 ` Rusty Russell
2013-06-20 9:26 ` Paolo Bonzini
2013-06-30 23:47 ` Rusty Russell
2013-07-01 11:57 ` Paolo Bonzini
2013-07-02 6:04 ` Rusty Russell
2013-07-04 7:49 ` Michael S. Tsirkin
2013-07-07 11:31 ` Michael S. Tsirkin
2013-07-08 1:21 ` Rusty Russell
2013-07-08 5:44 ` Michael S. Tsirkin
2013-07-09 1:19 ` Rusty Russell
2013-07-04 7:39 ` Michael S. Tsirkin
2013-07-04 9:05 ` Paolo Bonzini [this message]
2013-07-08 4:28 ` Rusty Russell
2013-07-04 7:38 ` Michael S. Tsirkin
2013-06-20 2:45 ` Rusty Russell
2013-03-18 21:47 ` Michael S. Tsirkin
2013-03-19 1:21 ` Rusty Russell
2013-03-19 7:58 ` Michael S. Tsirkin
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