commit 413d64fedcc8e7f83b19ab4b79e3fd1f871f3564
author Juan Quintela <quintela@redhat.com> Thu Oct 19 10:52:58 2023 +0200
committer Juan Quintela <quintela@redhat.com> Mon Oct 30 17:41:55 2023 +0100
tree c9bdb795adf0b1769673ab9c5936a82e31b08773
parent e77326179d61585457f88ba0c5152cea5bbaabf0

migration: Receiving a zero page non zero is an error

We don't allow non zero compressed pages since:

commit 3edcd7e6ebae3ef0ac178eed5f4225803159562d
Author: Peter Lieven <pl@kamp.de>
Date:   Tue Mar 26 10:58:35 2013 +0100

    migration: search for zero instead of dup pages

RDMA case is a bit more complicated, but they don't handle it since:

commit a1febc4950f2c6232c002f401d7cd409f6fa6a88
Author: Richard Henderson <rth@twiddle.net>
Date:   Mon Aug 29 11:46:14 2016 -0700

    cutils: Export only buffer_is_zero

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231019085259.13307-2-quintela@redhat.com>