Re: [Xen-devel] [PATCH 07/12] xen/events: add struct evtchn_ops for the low-level port operations

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Aug 19, 2013 at 11:39:00AM +0100, David Vrabel wrote:
> On 16/08/13 18:47, Wei Liu wrote:
> > On Fri, Aug 09, 2013 at 07:15:16PM +0100, David Vrabel wrote:
> >> 
> >> +  xen_evtchn_init_nlevel();
> >> +
> > 
> > There is only 2-level ABI, more importantly, it is the default ABI, so
> > use xen_evtchn_init_default instead?
> 
> It's not the default, FIFO is the default.  N-level is the fallback for
> when the hypervisor doesn't support FIFO.
> 

Makes sense.

> >> +
> >> +static const struct evtchn_ops evtchn_ops_nlevel = {
> >> +  .bind_to_cpu       = nlevel_bind_to_cpu,
> >> +  .clear_pending     = nlevel_clear_pending,
> >> +  .set_pending       = nlevel_set_pending,
> >> +  .is_pending        = nlevel_is_pending,
> >> +  .test_and_set_mask = nlevel_test_and_set_mask,
> >> +  .mask              = nlevel_mask,
> >> +  .unmask            = nlevel_unmask,
> >> +  .handle_events     = nlevel_handle_events,
> >> +};
> >> +
> > 
> > How about use 2level_* or default_*?
> 
> Identifiers can't start with numbers.
> 

Of course. :-)


Wei.

> David

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