Messages in this thread Patch in this message | | | From | Nadav Amit <> | Subject | [PATCH 2/5] KVM: vmx: handle_dr does not handle RSP correctly | Date | Wed, 7 May 2014 15:32:49 +0300 |
| |
The RSP register is not automatically cached, causing mov DR instruction with RSP to fail. Instead the regular register accessing interface should be used.
Signed-off-by: Nadav Amit <namit@cs.technion.ac.il> --- arch/x86/kvm/vmx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 72b8012..0e2793f 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -5142,7 +5142,7 @@ static int handle_dr(struct kvm_vcpu *vcpu) return 1; kvm_register_write(vcpu, reg, val); } else - if (kvm_set_dr(vcpu, dr, vcpu->arch.regs[reg])) + if (kvm_set_dr(vcpu, dr, kvm_register_read(vcpu, reg))) return 1; skip_emulated_instruction(vcpu); -- 1.9.1
| |