Re: [Qemu-devel] [PATCH] migration: savevm: consult migration blockers

2018-11-19 Thread Paolo Bonzini
On 16/11/18 18:12, Dr. David Alan Gilbert wrote: > * Paolo Bonzini (pbonz...@redhat.com) wrote: >> There is really no difference between live migration and savevm, except >> that savevm does not require bdrv_invalidate_cache to be implemented >> by all disks. However, it is unlikely that savevm is

Re: [Qemu-devel] [PATCH] migration: savevm: consult migration blockers

2018-11-16 Thread Wang, Wei W
On Saturday, November 17, 2018 12:48 AM, Paolo Bonzini wrote: > To: qemu-devel@nongnu.org > Subject: [Qemu-devel] [PATCH] migration: savevm: consult migration > blockers > > There is really no difference between live migration and savevm, except that > savev

Re: [Qemu-devel] [PATCH] migration: savevm: consult migration blockers

2018-11-16 Thread Dr. David Alan Gilbert
* Paolo Bonzini (pbonz...@redhat.com) wrote: > There is really no difference between live migration and savevm, except > that savevm does not require bdrv_invalidate_cache to be implemented > by all disks. However, it is unlikely that savevm is used with anything > except qcow2 disks, so the penal

[Qemu-devel] [PATCH] migration: savevm: consult migration blockers

2018-11-16 Thread Paolo Bonzini
There is really no difference between live migration and savevm, except that savevm does not require bdrv_invalidate_cache to be implemented by all disks. However, it is unlikely that savevm is used with anything except qcow2 disks, so the penalty is small and worth the improvement in catching bad