Messages in this thread |  | | | Date | Fri, 29 Jan 2010 10:10:24 -0800 | | From | Greg KH <> | | Subject | Re: [Patch 0/2] sysfs: fix s_active lockdep warning |
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On Fri, Jan 29, 2010 at 06:57:28PM +0100, Peter Zijlstra wrote: > On Fri, 2010-01-29 at 06:22 -0800, Greg KH wrote: > > > > Heh, this whole mess is the very reason we didn't add lockdep support to > > the driver core. Nested devices that all look alike from the driver > > core, are really different objects and the locking lifetimes are > > separate, but lockdep can't see that. > > And here I through Alan Stern had a handle on making the driver core > play nice.
It's not the driver core that is the issue here, it's that lockdep can't handle the tree structure of devices that is represented in the kernel.
I don't think it is a driver core problem, but rather, a lockdep issue.
thanks,
greg k-h
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