On Tue, 1 Nov 2005 16:20:43 -0500 (EST),
Alan Stern <[email protected]> wrote:
>You mean the RCU-style update? It will hang when a callout routine tries
>to deregister itself as it is running, although we could add a new
>unregister_self API to handle that. Just check for num_callers equal to 1
>instead of 0.
A callout on an atomic notifer chain has no business calling the
register/unregister functions. It makes no sense for an atomic context
to call a routine that can sleep or block.
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