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SubjectRe: [PATCH] lockdep: make print_lock_name() robust against non-existing lock_class
On Thu, Apr 16, 2015 at 04:50:21PM +0200, Sebastian Andrzej Siewior wrote:

> Andreas confirmed that it works for him on v3.18 with minor adjustment.
>
> <---
> + struct held_lock lock = READ_ONCE(*hlock);
> + unsigned int class_idx = lock.class_idx;
> --->
>

I'm confused by the need for that. What was the failure with the
proposed patch?


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