KVM: MMU: Optimize gpte_access() slightly

Browse source

If nx is disabled, then is gpte[63] is set we will hit a reserved
bit set fault before checking permissions; so we can ignore the
setting of efer.nxe.

Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

...

This commit is contained in:

Avi Kivity 2012-09-12 13:53:08 +03:00

parent 8ea667f259

commit edc2ae84eb

1 changed files with 1 additions and 3 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

4

arch/x86/kvm/paging_tmpl.h

View file