On Thu, Nov 21, 2019 at 04:56:45PM +0000, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" <dgilb...@redhat.com> > > kvm_set_phys_mem can be called to reallocate a slot by something the > guest does (e.g. writing to PAM and other chipset registers). > This can happen in the middle of a migration, and if we're unlucky > it can now happen between the split 'sync' and 'clear'; the clear > asserts if there's no bmap to clear. Recreate the bmap whenever > we change the slot, keeping the clear path happy. > > Typically this is triggered by the guest rebooting during a migrate. > > Corresponds to: > https://bugzilla.redhat.com/show_bug.cgi?id=1772774 > https://bugzilla.redhat.com/show_bug.cgi?id=1771032 > > Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Reviewed-by: Peter Xu <pet...@redhat.com> Thanks! -- Peter Xu
