Revert "KVM: Avoid useless memory write when possible"

This reverts commit a3c870bdce.  While it
does save useless updates, it (probably) defeats the fork detector, causing
a massive performance loss.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2007-07-23 18:33:14 +03:00
commit 7cfa4b0a43