Commit 253abdee authored by Yang, Sheng's avatar Yang, Sheng Committed by Avi Kivity
Browse files

KVM: Communicate cr8 changes to userspace 



This allows running 64-bit Windows.

Signed-off-by: default avatarSheng Yang <sheng.yang@intel.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 7e66f350

drivers/kvm/vmx.c

+2 −1
Original line number Diff line number Diff line
@@ -1831,7 +1831,8 @@ static int handle_cr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) 
			vcpu_load_rsp_rip(vcpu);

			set_cr8(vcpu, vcpu->regs[reg]);

			skip_emulated_instruction(vcpu);

			return 1;

			kvm_run->exit_reason = KVM_EXIT_SET_TPR;

			return 0;

		};

		break;

	case 2: /* clts */

include/linux/kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ enum kvm_exit_reason { 
	KVM_EXIT_SHUTDOWN         = 8,

	KVM_EXIT_FAIL_ENTRY       = 9,

	KVM_EXIT_INTR             = 10,

	KVM_EXIT_SET_TPR          = 11

};



/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */