Re: [Qemu-devel] [RFC] Split migration bitmaps by ramblock

2017-03-31 Thread Dr. David Alan Gilbert
* Juan Quintela (quint...@redhat.com) wrote: > "Dr. David Alan Gilbert" wrote: > > * Juan Quintela (quint...@redhat.com) wrote: > >> Note that there are two reason for this, ARM and PPC do things like > >> guests with 4kb pages on hosts with 16/64kb hosts, and then we have > >> HugePages. Note al

Re: [Qemu-devel] [RFC] Split migration bitmaps by ramblock

2017-03-29 Thread Juan Quintela
"Dr. David Alan Gilbert" wrote: > * Juan Quintela (quint...@redhat.com) wrote: >> Note that there are two reason for this, ARM and PPC do things like >> guests with 4kb pages on hosts with 16/64kb hosts, and then we have >> HugePages. Note all the workarounds that postcopy has to do because >> to

Re: [Qemu-devel] [RFC] Split migration bitmaps by ramblock

2017-03-28 Thread Dr. David Alan Gilbert
* Juan Quintela (quint...@redhat.com) wrote: > Hi > > This series split the migration and unsent bitmaps by ramblock. This > makes it easier to synchronize in small bits. This is on top of the > RAMState and not-hotplug series. So I think generally this is a good idea; my main reason is I'd lik

Re: [Qemu-devel] [RFC] Split migration bitmaps by ramblock

2017-03-28 Thread Dr. David Alan Gilbert
* Yang Hongyang (yanghongy...@huawei.com) wrote: > > > On 2017/3/24 16:34, Juan Quintela wrote: > > Yang Hongyang wrote: > >> Hi Juan, > >> > >> First of all, I like the refactor patchset about RAMState, it makes > >> things clean, great! > > > > Thanks. > > > > The whole idea of the series

Re: [Qemu-devel] [RFC] Split migration bitmaps by ramblock

2017-03-24 Thread Yang Hongyang
On 2017/3/24 16:34, Juan Quintela wrote: > Yang Hongyang wrote: >> Hi Juan, >> >> First of all, I like the refactor patchset about RAMState, it makes >> things clean, great! > > Thanks. > > The whole idea of the series was to make testing changes easier. > >> On 2017/3/24 5:01, Juan Quintel

Re: [Qemu-devel] [RFC] Split migration bitmaps by ramblock

2017-03-24 Thread Juan Quintela
Yang Hongyang wrote: > Hi Juan, > > First of all, I like the refactor patchset about RAMState, it makes > things clean, great! Thanks. The whole idea of the series was to make testing changes easier. > On 2017/3/24 5:01, Juan Quintela wrote: >> Hi >> >> This series split the migration and un

Re: [Qemu-devel] [RFC] Split migration bitmaps by ramblock

2017-03-23 Thread Yang Hongyang
Hi Juan, First of all, I like the refactor patchset about RAMState, it makes things clean, great! On 2017/3/24 5:01, Juan Quintela wrote: > Hi > > This series split the migration and unsent bitmaps by ramblock. This > makes it easier to synchronize in small bits. This is on top of the > RAMS

[Qemu-devel] [RFC] Split migration bitmaps by ramblock

2017-03-23 Thread Juan Quintela
Hi This series split the migration and unsent bitmaps by ramblock. This makes it easier to synchronize in small bits. This is on top of the RAMState and not-hotplug series. Why? reason 1: People have complained that by the time that we detect that a page is sent, it has already been marked di