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

Browse source

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>

...

This commit is contained in:

Alexander Graf 2010-08-02 20:11:39 +02:00 • committed by Avi Kivity

parent 4cb6b7ea0c

commit 2e602847d9

1 changed files with 0 additions and 2 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

arch/powerpc/kvm/book3s.c

View file