Re: [PATCH 7/7] driver-core : convert semaphore to mutex in structclass

From: Greg KH
Date: Fri Jan 18 2008 - 01:21:42 EST


On Fri, Jan 18, 2008 at 04:18:43AM +0100, Kay Sievers wrote:
> On Fri, 2008-01-18 at 10:28 +0800, Dave Young wrote:
> > Then what's your opinon about the lockdep warning fix? I wonder
> > whether the "soon" means we should do mutex convert after the
> > class_device going away?
>
> Yeah, might be better to wait until class_device is gone, otherwise you
> may need to fix stuff that is just going to be removed. Your change to
> have iterators for the class devices look like a nice preparation for
> future changes though.
>
> Our rough plan is:
> 2.6.25:
> - get the ~100 patches in Greg's tree (in -mm) merged :)
> 2.6.26:
> ??? - remove the 20 char limit in "struct device"
> - get rid of "struct class_device"
> 2.6.27
> - merge most of "struct class" and "struct bus_type" and have
> only one type of list and iterator for all devices of all subsystems
> 2.6.27+
> - allow multiple "drivers" to bind a single device (now that the
> difference between class and bus devices is gone)

I'm hoping that we might be able to get this last one by 2.6.26 or .27,
depending on how much time I get to work on it...

Other than that, I agree with this timeline.

thanks,

greg k-h
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