From: Rusty Russell <[EMAIL PROTECTED]>

We don't update the vcpu control registers in various places.  We
should do so.

Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
 drivers/kvm/kvm_main.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index f0a8780..07a6d97 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -543,6 +543,7 @@ void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
                return;
        }
        kvm_arch_ops->set_cr4(vcpu, cr4);
+       vcpu->cr4 = cr4;
        mutex_lock(&vcpu->kvm->lock);
        kvm_mmu_reset_context(vcpu);
        mutex_unlock(&vcpu->kvm->lock);
@@ -1238,10 +1239,8 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address)
 
 int emulate_clts(struct kvm_vcpu *vcpu)
 {
-       unsigned long cr0;
-
-       cr0 = vcpu->cr0 & ~X86_CR0_TS;
-       kvm_arch_ops->set_cr0(vcpu, cr0);
+       vcpu->cr0 &= ~X86_CR0_TS;
+       kvm_arch_ops->set_cr0(vcpu, vcpu->cr0);
        return X86EMUL_CONTINUE;
 }
 
@@ -2228,6 +2227,7 @@ static int kvm_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
        kvm_arch_ops->decache_cr4_guest_bits(vcpu);
 
        mmu_reset_needed |= vcpu->cr0 != sregs->cr0;
+       vcpu->cr0 = sregs->cr0;
        kvm_arch_ops->set_cr0(vcpu, sregs->cr0);
 
        mmu_reset_needed |= vcpu->cr4 != sregs->cr4;
-- 
1.5.3


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