On 12/05/2017 16:13, Radim Krčmář wrote:
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 464da936c53d..8db1d09e59d7 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -4175,9 +4175,10 @@ long kvm_arch_vm_ioctl(struct file *filp,
> goto out;
>
> r = 0;
> + 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: {
And then I think the first kvm_gen_update_masterclock should be modified
to skip sending the KVM_REQ_CLOCK_UPDATE request.
Paolo
