Date: Fri, 21 Oct 2016 22:44:37 +0300
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Liang Li <liang.z.li@intel.com>, linux-kernel@vger.kernel.org,
        virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
        virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org,
        qemu-devel@nongnu.org, quintela@redhat.com, dgilbert@redhat.com,
        pbonzini@redhat.com, cornelia.huck@de.ibm.com, amit.shah@redhat.com
Subject: Re: [RESEND PATCH v3 kernel 0/7] Extend virtio-balloon for fast
 (de)inflating & fast live migration
Message-ID: <20161021224428-mutt-send-email-mst@kernel.org>
References: <1477031080-12616-1-git-send-email-liang.z.li@intel.com>
 <580A4F81.60201@intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <580A4F81.60201@intel.com>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 576
Lines: 13

On Fri, Oct 21, 2016 at 10:25:21AM -0700, Dave Hansen wrote:
> On 10/20/2016 11:24 PM, Liang Li wrote:
> > Dave Hansen suggested a new scheme to encode the data structure,
> > because of additional complexity, it's not implemented in v3.
> 
> So, what do you want done with this patch set?  Do you want it applied
> as-is so that we can introduce a new host/guest ABI that we must support
> until the end of time?  Then, we go back in a year or two and add the
> newer format that addresses the deficiencies that this ABI has with a
> third version?
> 

Exactly my questions.