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Message-ID: <20150401113300-mutt-send-email-mst@redhat.com> Date: Wed, 1 Apr 2015 11:43:46 +0200 From: "Michael S. Tsirkin" <mst@...hat.com> To: Rusty Russell <rusty@...tcorp.com.au> Cc: linux-kernel@...r.kernel.org, virtualization@...ts.linux-foundation.org Subject: Re: [PATCH v2 1/6] virtio_balloon: transitional interface On Wed, Apr 01, 2015 at 07:53:14PM +1030, Rusty Russell wrote: > "Michael S. Tsirkin" <mst@...hat.com> writes: > > On Wed, Apr 01, 2015 at 02:17:23PM +1030, Rusty Russell wrote: > >> I would leave the device *exactly* as is, ugly structure packing and > >> all. > > > > But why? It's going to be used for years, might as well make it clean? > > Because the only spec which currently exists says to do that. OK but the only spec which currently exists also says it's a legacy only device, so driver must not set VERSION_1. So surely, we can make minor changes when VERSION_1 is set, like we did for other devices. Let me post the latest patches I'm working on, see what you think then. > We do > need a new virtio memballoon spec, but it'll look nothing like this > anyway. > > Cheers, > Rusty. I think it's going to have significantly different semantics, too, so not much value in making that one work with current drivers, right? -- MST -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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