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SubjectRe: PATCH] debug: add notifier chain debugging

* Arjan van de Ven <arjan@infradead.org> wrote:

> From: Arjan van de Ven <arjan@linux.intel.com>
> Subject: [PATCH] debug: add notifier chain debugging
>
> during some development we suspected a case where we left something in
> a notifier chain that was from a module that was unloaded already...
> and that sort of thing is rather hard to track down.
>
> This patch adds a very simple sanity check (which isn't all that
> expensive) to make sure the notifier we're about to call is actually
> from either the kernel itself of from a still-loaded module, avoiding
> a hard-to-chase-down crash.

applied for testing, thanks Arjan.

Ingo


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