Re: [Qemu-devel] [RFC PATCH] migration: reintroduce skipped zero pages

2014-05-12 Thread Peter Lieven
Am 12.05.2014 12:23, schrieb Paolo Bonzini: > Il 09/05/2014 01:45, Peter Lieven ha scritto: >> commit f1c72795a introduced skipping of all zero pages during >> bulk phase of ram migration. In theory this should have worked, >> however the underlying assumption that the memory of target VM >> is tot

Re: [Qemu-devel] [RFC PATCH] migration: reintroduce skipped zero pages

2014-05-12 Thread Paolo Bonzini
Il 09/05/2014 01:45, Peter Lieven ha scritto: commit f1c72795a introduced skipping of all zero pages during bulk phase of ram migration. In theory this should have worked, however the underlying assumption that the memory of target VM is totally empty (zeroed) was wrong. Altough qemu accepts an i

Re: [Qemu-devel] [RFC PATCH] migration: reintroduce skipped zero pages

2014-05-12 Thread Peter Lieven
Am 12.05.2014 12:02, schrieb Juan Quintela: > Peter Lieven wrote: >> commit f1c72795a introduced skipping of all zero pages during >> bulk phase of ram migration. In theory this should have worked, >> however the underlying assumption that the memory of target VM >> is totally empty (zeroed) was w

Re: [Qemu-devel] [RFC PATCH] migration: reintroduce skipped zero pages

2014-05-12 Thread Juan Quintela
Peter Lieven wrote: > commit f1c72795a introduced skipping of all zero pages during > bulk phase of ram migration. In theory this should have worked, > however the underlying assumption that the memory of target VM > is totally empty (zeroed) was wrong. Altough qemu accepts an incoming > migration

[Qemu-devel] [RFC PATCH] migration: reintroduce skipped zero pages

2014-05-08 Thread Peter Lieven
commit f1c72795a introduced skipping of all zero pages during bulk phase of ram migration. In theory this should have worked, however the underlying assumption that the memory of target VM is totally empty (zeroed) was wrong. Altough qemu accepts an incoming migration BIOS, ROMs or tables are set u