tree 6a02bb893638ded6448ee78687ee25072ea82360
parent 2cb7e714229681408e323852bed939989faf6991
author Avi Kivity <avi@qumranet.com> 1184079055 +0300
committer Avi Kivity <avi@qumranet.com> 1184951789 +0300

KVM: MMU: Store nx bit for large page shadows

We need to distinguish between large page shadows which have the nx bit set
and those which don't.  The problem shows up when booting a newer smp Linux
kernel, where the trampoline page (which is in real mode, which uses the
same shadow pages as large pages) is using the same mapping as a kernel data
page, which is mapped using nx, causing kvm to spin on that page.

Signed-off-by: Avi Kivity <avi@qumranet.com>