RE: [PATCH] Drivers: hv: vmbus: Use raw_smp_processor_id() in vmbus_connect()

[Dexuan Cui]

> From: KY Srinivasan
> Sent: Thursday, August 30, 2018 10:32
> > >          */
> > >    if (version >= VERSION_WIN8_1) {
> > >        msg->target_vcpu =
> > > -            hv_cpu_number_to_vp_number(smp_processor_id());
> > > -       vmbus_connection.connect_cpu = smp_processor_id();
> >
> > > +       hv_cpu_number_to_vp_number(get_cpu());
> > > +       vmbus_connection.connect_cpu = msg->target_vcpu;
> > > +       put_cpu();
> >
> > While the warning " BUG: using smp_processor_id() in preemptible" can also
> > be avoided, the line
> > +	vmbus_connection.connect_cpu = msg->target_vcpu;
> > seems incorrect, as the "connect_cpu" should reflect Linux CPU numbering
> > rather than Hyper-V's vCPU numbering.
> 
> Yes of course!  Can you send me a patch with the fix.
> 
> K. Y

Ok. Will do.

-- Dexuan