On Wed, 28 Feb 2018 19:53:20 +0000 Christian Borntraeger <borntrae...@de.ibm.com> wrote:
> When a guests reboots with diagnose 308 subcode 3 it requests the memory > to be cleared. We did not do it so far. This does not only violate the > architecture, it also misses the chance to free up that memory on > reboot, which would help on host memory over commitment. By using > ram_block_discard_range we can cover both cases. > > Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com> > --- > target/s390x/kvm.c | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) So, this needs more thought (and additional kernel changes)? (Trying to pick up patches that make sense for 2.12.)
