On Tuesday, January 22, 2013 12:18:55 AM Jiang Liu wrote:
> On 01/21/2013 07:54 AM, Rafael J. Wysocki wrote:
> > On Saturday, January 19, 2013 12:07:41 AM Jiang Liu wrote:
> >> When adding/removing a PCI bus, some other components want to be
> snip
> >> +
> >> +void pci_bus_call_notifier(struct pci_bus *bus, unsigned long code)
> >> +{
> >> + int ret;
> >> +
> >> + ret = blocking_notifier_call_chain(&pci_bus_notifier_chain,
> >> + code, bus);
> >> + WARN_ON(ret != NOTIFY_DONE && ret != NOTIFY_OK);
> >
> > I'm not sure if this is a good idea. WARN_ON() is quite a heavy tool.
> Hi Rafael,
> How about WARN_ONCE() here?
Well, that depends on what you think it will be useful for.
Thanks,
Rafael
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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