Re: [Qemu-devel] [PATCH v4 42/47] Don't sync dirty bitmaps in postcopy

2014-11-25 Thread Dr. David Alan Gilbert
* David Gibson (da...@gibson.dropbear.id.au) wrote: > On Fri, Oct 03, 2014 at 06:47:48PM +0100, Dr. David Alan Gilbert (git) wrote: > > From: "Dr. David Alan Gilbert" > > > > Once we're in postcopy the source processors are stopped and memory > > shouldn't change any more, so there's no need to l

Re: [Qemu-devel] [PATCH v4 42/47] Don't sync dirty bitmaps in postcopy

2014-11-12 Thread David Gibson
On Fri, Oct 03, 2014 at 06:47:48PM +0100, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" > > Once we're in postcopy the source processors are stopped and memory > shouldn't change any more, so there's no need to look at the dirty > map. > > There are two notes to this: >

[Qemu-devel] [PATCH v4 42/47] Don't sync dirty bitmaps in postcopy

2014-10-03 Thread Dr. David Alan Gilbert (git)
From: "Dr. David Alan Gilbert" Once we're in postcopy the source processors are stopped and memory shouldn't change any more, so there's no need to look at the dirty map. There are two notes to this: 1) If we do resync and a page had changed then the page would get sent again, which the d