Re: huge 2nd stage pages and live migration

2014-03-28 Thread Christoffer Dall
On Fri, Mar 28, 2014 at 10:39:25AM -0700, Mario Smarduch wrote: > Hello > > I've been working on live migration for ARM-KVM, and noticed > problem completing migration with huge 2nd stage tables. > > > Aafter write protecting the VM, for write fault 512 page bits > are set in dirty_bitmap[] to

huge 2nd stage pages and live migration

2014-03-28 Thread Mario Smarduch
Hello I've been working on live migration for ARM-KVM, and noticed problem completing migration with huge 2nd stage tables. Aafter write protecting the VM, for write fault 512 page bits are set in dirty_bitmap[] to take into account future writes to huge page.The pmd is write protected again w