On 24.10.2013 11:14, Paolo Bonzini wrote:
Il 24/10/2013 08:21, Peter Lieven ha scritto:
Additionally we memmap target memory so it is essentially
zero initialized (except for e.g. option roms and bios which are loaded
into target memory although they shouldn't).
It was reported recently that this madvise causes a performance degradation
in some situations. As the madvise should only be called rarely and if it's
called
it is likely on a busy page (it was non-zero and changed to zero during
migration)
drop it completely.
Tagging this patch for 1.7.
has this been merged?
Peter
