Re: [PATCH] Add pci_walk_bus function to PCI core (nonrecursive)

[Greg KH]

On Thu, Aug 18, 2005 at 02:58:28PM +1000, Benjamin Herrenschmidt wrote:
> I wonder if it's finally time to implement proper race free list
> iterators in the kernel. Not that difficult... A small struct iterator
> with a list head and the current elem pointer, and the "interated" list
> containing the list itself, a list of iterators and a lock. Iterators
> can then be "fixed" up on element removal with a fine grained lock on
> list structure access.

Pat tried to do that with klist, but people seem to think it's still
racy in some corner cases.  Have you looked at them?

thanks,

greg k-h
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