Re: [PATCH] driver core: remove polling for driver_probe_done(v2)

[Ming Lei]

2009/1/30 Cornelia Huck <cornelia.huck@xxxxxxxxxx>:
> On Fri, 30 Jan 2009 18:17:36 +0800,
> Ming Lei <tom.leiming@xxxxxxxxx> wrote:
>
>> If probing done does not mean the device is available, this patch should be
>> ignored or fixed further.
>>
>> But polling is really not good, is there a approach to avoid the polling for
>> appearence of the root device?
>
> I think the parts of your patch that replace polling for
> driver_probe_done() with waiting on the waitqueue are fine. The
> problematic part is the rootwait special case, where polling seems
> unavoidable afaics.

Yes.

Maybe we should keep the polling for root device. And I will resend a
patch ,which only replace the driver_probe_done().

Thanks.

>



-- 
Lei Ming
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