tree 0ae01f586be25041eb7b3d82d832339cb895747f
parent cf9182e2290732be9f8d4f73ba3d6f3484380450
author Avi Kivity <avi@redhat.com> 1312185879 +0300
committer Avi Kivity <avi@redhat.com> 1314258993 +0300

piix_pci: wrap memory update in a transaction

The code will remap all PAMs, even if just one is updated, resulting
in reduced performance.  Wrap in a transaction to detect that those
other PAMs have not changed.

Reviewed-by: Richard Henderson  <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>