From 81f50e3bfdf864103ef890ca156e7a9c922c7089 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Thu, 6 Sep 2007 01:20:38 +1000 Subject: KVM: Keep control regs in sync We don't update the vcpu control registers in various places. We should do so. Signed-off-by: Rusty Russell Signed-off-by: Avi Kivity --- drivers/kvm/kvm_main.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/kvm') diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index d3e534dcf585..7341c0949340 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; } @@ -2226,6 +2225,7 @@ 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; -- cgit v1.2.2