Re: [PATCH v6 kernel 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration

2017-01-19 Thread David Hildenbrand
> As long as the interface is similar, it seems to make > sense for me - why invent a completely new device that > looks very much like the old one? The only reason would be that this feature could be used independently of virtio-balloon. But this would of course only be the case, if ballooning

Re: [PATCH v6 kernel 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration

2017-01-18 Thread Michael S. Tsirkin
On Wed, Jan 18, 2017 at 11:09:30AM +0100, David Hildenbrand wrote: > Am 21.12.2016 um 07:52 schrieb Liang Li: > > This patch set contains two parts of changes to the virtio-balloon. > > > > One is the change for speeding up the inflating & deflating process, > > the main idea of this optimization

RE: [PATCH v6 kernel 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration

2017-01-18 Thread Li, Liang Z
> Am 21.12.2016 um 07:52 schrieb Liang Li: > > This patch set contains two parts of changes to the virtio-balloon. > > > > One is the change for speeding up the inflating & deflating process, > > the main idea of this optimization is to use {pfn|length} to present > > the page information instead

Re: [PATCH v6 kernel 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration

2017-01-18 Thread David Hildenbrand
Am 21.12.2016 um 07:52 schrieb Liang Li: This patch set contains two parts of changes to the virtio-balloon. One is the change for speeding up the inflating & deflating process, the main idea of this optimization is to use {pfn|length} to present the page information instead of the PFNs, to

RE: [PATCH v6 kernel 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration

2017-01-09 Thread Li, Liang Z
ack.org; linux-ker...@vger.kernel.org; virtualization@lists.linux- > foundation.org; amit.s...@redhat.com; Hansen, Dave; > cornelia.h...@de.ibm.com; pbonz...@redhat.com; m...@redhat.com; > da...@redhat.com; aarca...@redhat.com; dgilb...@redhat.com; > quint...@redhat.com; Li, Liang Z > Subject: [P

[PATCH v6 kernel 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration

2016-12-20 Thread Liang Li
This patch set contains two parts of changes to the virtio-balloon. One is the change for speeding up the inflating & deflating process, the main idea of this optimization is to use {pfn|length} to present the page information instead of the PFNs, to reduce the overhead of virtio data