[1/2] x86: Allow accessing IDT via emulator ops

Commit Message

Mohammed Gamal Aug. 4, 2010, 2:44 a.m. UTC

None

Patch

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index cbebf1d..f22e5da 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -139,6 +139,7 @@  struct x86_emulate_ops {
 	void (*set_segment_selector)(u16 sel, int seg, struct kvm_vcpu *vcpu);
 	unsigned long (*get_cached_segment_base)(int seg, struct kvm_vcpu *vcpu);
 	void (*get_gdt)(struct desc_ptr *dt, struct kvm_vcpu *vcpu);
+	void (*get_idt)(struct desc_ptr *dt, struct kvm_vcpu *vcpu);
 	ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu);
 	int (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
 	int (*cpl)(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index e7e3b50..416aa0e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3790,6 +3790,11 @@  static void emulator_get_gdt(struct desc_ptr *dt, struct kvm_vcpu *vcpu)
 	kvm_x86_ops->get_gdt(vcpu, dt);
 }
 
+static void emulator_get_idt(struct desc_ptr *dt, struct kvm_vcpu *vcpu)
+{
+	kvm_x86_ops->get_idt(vcpu, dt);
+}
+
 static unsigned long emulator_get_cached_segment_base(int seg,
 						      struct kvm_vcpu *vcpu)
 {
@@ -3883,6 +3888,7 @@  static struct x86_emulate_ops emulate_ops = {
 	.set_segment_selector = emulator_set_segment_selector,
 	.get_cached_segment_base = emulator_get_cached_segment_base,
 	.get_gdt             = emulator_get_gdt,
+	.get_idt	     = emulator_get_idt,
 	.get_cr              = emulator_get_cr,
 	.set_cr              = emulator_set_cr,
 	.cpl                 = emulator_get_cpl,