Re: Aw: Re: [PATCH 0/3] HID: roccat: finishing usage ofsysfs_create_bin_group()

[Jiri Kosina]

On Tue, 16 Nov 2010, Stefan Achatz wrote:

> > > > These patches are against the newest roccat file versions (after
> > > > applying everything I released the last days).
> > > > They fix some inattentive (though not critical) failures from previous
> > > > patches and change hid-roccat-koneplus and hid-roccat-pyra to use the
> > > > new sysfs_create_bin_group()
> > > > koneplus should be finished now (until I find errors)
> > > 
> > > Wait, they still don't resolve the main problem of this api is still
> > > racy and I can't accept it.
> > 
> > Yeah, I have already pointed Stefan to
> > 
> > 	 http://lkml.org/lkml/2010/11/13/174
> > 
> > which he might have missed.
> 
> Hello again,
> 
> I don't see why these patches can't be applied. The bin attribute group 
> functions standing for themself seem to be useful. The kone driver is 
> already in the stable kernel and has less code with these patches. 
> Though this does not change its functionality its a code cleanup. Thats 
> also true for pyra and koneplus. So for me these are clear improvements 
> until I make progress in the race problem. I will do it, but being a 
> newbe I don't know where to start (feel free to point me to something), 
> so it might take quite some time and sure needs some questions asked.

Hi Stefan,

the way the driver does things is racy and needs fixing. Introducing 
interface into sysfs/driver core, which we now know is racy, is not 
something we'd like to do.

Thanks,

-- 
Jiri Kosina
SUSE Labs, Novell Inc.
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