Re: BUG: unable to handle kernel paging request in usb_match_id()

[Ming Lei]

On Fri, Aug 17, 2012 at 10:42 PM, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Fri, Aug 17, 2012 at 10:38:16AM -0400, Alan Stern wrote:
>> On Fri, 17 Aug 2012, Ming Lei wrote:
>>
>> > But,  if HOTPLUG is not enabled, should device_add() trigger driver probe
>> > further after kernel init is completed?  Or even devices should be allowed
>> > to add into system?
>>
>> Indeed, does it make any sense to have USB support at all if HOTPLUG
>> isn't enabled?  Should USB select HOTPLUG?
>
> Well, a long time ago people wanted to use USB but not have HOTPLUG
> enabled in their systems for various (odd) embedded systems.  As it's
> pretty hard to even turn off HOTPLUG these days, I'd be more likely to
> just remove CONFIG_HOTPLUG entirely given the dynamic nature of almost
> all systems.

It should make sense, otherwise all device id table should not use
__devinit* markings. There are lots of pci driver usage on it.


Thanks,
-- 
Ming Lei
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