On Fri, 21 Oct 2005 21:12:28 -0400 (EDT), Alan Stern <[EMAIL PROTECTED]> wrote:

> Replacing a spinlock with an rwlock -- did it really happen that way?  I
> got the impression that the rwlock was there all along, and then was taken
> out of notifier_call_chain because some people wanted their entry to
> remove itself.

I am sorry, I misread a patch which I googled out.

2.2.19 did not have any locking of the notifier whatsoever,
and all functions were inlines in <linux/notifier.h>

2.4.0-test2 adds the rwlock with read lock around the callout.

-- Pete


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