Il 18/11/2013 13:48, Peter Lieven ha scritto: > 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?
No. Juan, can you prepare a quick pull request? Paolo
