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KVM: VMX: Allow the guest to own some cr0 bits

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We will use this later to give the guest ownership of cr0.ts.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity
2009-12-29 18:43:06 +02:00
committed by Marcelo Tosatti
parent 4d4ec08745
commit e8467fda83
4 changed files with 18 additions and 0 deletions
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2
arch/x86/include/asm/kvm_host.h
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@@ -269,6 +269,7 @@ struct kvm_vcpu_arch {
u32 regs_dirty;
unsigned long cr0;
unsigned long cr0_guest_owned_bits;
unsigned long cr2;
unsigned long cr3;
unsigned long cr4;
@@ -489,6 +490,7 @@ struct kvm_x86_ops {
void (*set_segment)(struct kvm_vcpu *vcpu,
struct kvm_segment *var, int seg);
void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l);
void (*decache_cr0_guest_bits)(struct kvm_vcpu *vcpu);
void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu);
void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0);
void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3);