diff options
| -rw-r--r-- | arch/x86/kvm/x86.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 6c7266f7766d..ca128a9c9cc4 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4188,9 +4188,15 @@ long kvm_arch_vm_ioctl(struct file *filp, goto out; r = 0; + /* + * TODO: userspace has to take care of races with VCPU_RUN, so + * kvm_gen_update_masterclock() can be cut down to locked + * pvclock_update_vm_gtod_copy(). + */ + kvm_gen_update_masterclock(kvm); now_ns = get_kvmclock_ns(kvm); kvm->arch.kvmclock_offset += user_ns.clock - now_ns; - kvm_gen_update_masterclock(kvm); + kvm_make_all_cpus_request(kvm, KVM_REQ_CLOCK_UPDATE); break; } case KVM_GET_CLOCK: { |