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KVM: VMX: Properly shadow the CR0 register in the vcpu struct

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Set all of the host mask bits for CR0 so that we can maintain a proper
shadow of CR0.  This exposes CR0.TS, paving the way for lazy fpu handling.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Anthony Liguori
2007-04-27 09:29:21 +03:00
committed by Avi Kivity
parent e0e5127d06
commit 25c4c2762e
4 changed files with 14 additions and 14 deletions
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4
drivers/kvm/svm.c
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@@ -738,7 +738,7 @@ static void svm_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
vcpu->svm->vmcb->save.gdtr.base = dt->base ;
}
static void svm_decache_cr0_cr4_guest_bits(struct kvm_vcpu *vcpu)
static void svm_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
{
}
@@ -1759,7 +1759,7 @@ static struct kvm_arch_ops svm_arch_ops = {
.get_segment = svm_get_segment,
.set_segment = svm_set_segment,
.get_cs_db_l_bits = svm_get_cs_db_l_bits,
.decache_cr0_cr4_guest_bits = svm_decache_cr0_cr4_guest_bits,
.decache_cr4_guest_bits = svm_decache_cr4_guest_bits,
.set_cr0 = svm_set_cr0,
.set_cr3 = svm_set_cr3,
.set_cr4 = svm_set_cr4,