[PATCH 018/104] KVM: Return if the pdptrs are invalid when the guest turns on PAE.

Avi Kivity
2007-09-17T09:07:19Z

From: Rusty Russell <rusty@rustcorp.com.au>

Don't fall through and turn on PAE in this case.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---
drivers/kvm/kvm_main.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index f0fc8d9..093cea3 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -558,6 +558,7 @@ void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
&& !load_pdptrs(vcpu, vcpu->cr3)) {
printk(KERN_DEBUG "set_cr4: #GP, pdptrs reserved bits\n");
inject_gp(vcpu);
+ return;
}

if (cr4 & X86_CR4_VMXE) {
--
1.5.3