On Thu, Nov 01, 2018 at 11:20:21AM +0800, Yi Sun wrote: > On 18-10-31 18:15:39, Peter Zijlstra wrote:
> > So Yi, are you actually seeing a problem? If so, can you give details? > > Where does the patch come from? I cannot find it through google. What patch!? The one I posted: https://lkml.kernel.org/r/20181031141030.gb13...@hirez.programming.kicks-ass.net I made that up real quick. > Per Waiman's comment, it seems not suitable to call vcpu_is_preempted() > in pv_wait_head_or_lock(). So, we cannot make HvSpinWaitInfo notification > through vcpu_is_preempted() for such case. Based on that, I suggest to > add one more callback function in pv_lock_ops. We're not doing anything until you can show a problem. If it ain't broken, don't fix it etc.. > BTW, which performance test do you suggest? I am trying to test it by > AIM7. Waiman?
