tree e93c763d86987b7aa10f87f6582eacbdee9fa792
parent 4cb6b7ea0cd085e6613153ad69608cad6421abcc
author Alexander Graf <agraf@suse.de> 1280772699 +0200
committer Avi Kivity <avi@redhat.com> 1287910326 +0200

KVM: PPC: Don't flush PTEs on NX/RO hit

When hitting a no-execute or read-only data/inst storage interrupt we were
flushing the respective PTE so we're sure it gets properly overwritten next.

According to the spec, this is unnecessary though. The guest issues a tlbie
anyways, so we're safe to just keep the PTE around and have it manually removed
from the guest, saving us a flush.

Signed-off-by: Alexander Graf <agraf@suse.de>