On Tue, Oct 23, 2018 at 10:57:40AM +0800, Yi Sun wrote: > On 18-10-22 19:15:16, Peter Zijlstra wrote:
> > > >>>> +#if defined(CONFIG_X86_64) && defined(CONFIG_PARAVIRT_SPINLOCKS) && > > > >>>> IS_ENABLED(CONFIG_HYPERV) > > > >>>> + if (!hv_notify_long_spin_wait(SPIN_THRESHOLD - > > > >>>> loop)) > > > >>>> + break; > > > >>>> +#endif > > > > Secondly; how come you thought that was acceptable in any way shape or > > form? > > > Sorry for that. Will try another way. Can you try and explain why vcpu_is_preempted() doesn't work for you?
