Andrea, David, here is a patch that fixes my postcopy hang (https://lists.gnu.org/archive/html/qemu-devel/2017-04/msg04129.html) unless there are better ideas or complains, this will go via Martins tree. Christian Borntraeger (1): s390/mm: avoid empty zero pages for KVM guests to avoid postcopy hangs arch/s390/include/asm/pgtable.h | 2 +- arch/s390/mm/gmap.c | 41 ++++++++++++++++++++++++++++++++++------- 2 files changed, 35 insertions(+), 8 deletions(-) -- 2.7.4
