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KVM: Communicate cr8 changes to userspace 

This allows running 64-bit Windows.

Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Yang, Sheng 2007-08-16 13:01:00 +03:00 committed by Avi Kivity
parent 7e66f350cf
commit 253abdee5e
2 changed files with 3 additions and 1 deletions
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3
drivers/kvm/vmx.c
View File

@ -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 */

1
include/linux/kvm.h
View File

@ -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) */