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SubjectRe: [Patch 0/2] sysfs: fix s_active lockdep warning
On Thu, 4 Feb 2010, Thomas Gleixner wrote:

> On Thu, 4 Feb 2010, Greg KH wrote:
> > > However in view of the other difficulties, it still doesn't seem
> > > possible to make device mutexes work with lockdep. I suggest removing
> > > Thomas's patch.
> >
> > Unless Thomas or anyone else thinks of something that can solve these
> > problems, I will do so.
>
> Hmm, I have not seen those lockdep splats on -rt where we have the
> mutex conversion for quite some time already. Need to look at it.

Thomas, did you ever figure out what was going on? It would be nice to
know why the -rt kernels don't have any lockdep problems associated
with the device mutexes.

Alan Stern



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