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KVM: x86 emulator: make set_cr() callback return error if it fails

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Make set_cr() callback return error if it fails instead of injecting #GP
behind emulator's back.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov
2010-04-28 19:15:31 +03:00
committed by Avi Kivity
parent 79168fd1a3
commit 0f12244fe7
3 changed files with 84 additions and 76 deletions
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arch/x86/include/asm/kvm_emulate.h
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@@ -135,7 +135,7 @@ struct x86_emulate_ops {
unsigned long (*get_cached_segment_base)(int seg, struct kvm_vcpu *vcpu);
void (*get_gdt)(struct desc_ptr *dt, struct kvm_vcpu *vcpu);
ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu);
void (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
int (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
int (*cpl)(struct kvm_vcpu *vcpu);
void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
int (*get_dr)(int dr, unsigned long *dest, struct kvm_vcpu *vcpu);