Re: [PATCH] staging/lustre: use rcu_dereference to access rcu protected current->real_parent field

[Greg Kroah-Hartman]

On Wed, Aug 06, 2014 at 09:22:43PM +0300, Evgeny Budilovsky wrote:
> 
> 
> Signed-off-by: Evgeny Budilovsky <budevg@xxxxxxxxx>

Why is this needed?  Is the current code a bug?  Where was the reference
added?  Is this causing a problem without this patch applied?  How far
back should it be backported, if at all?

I need lots more details here before I can take this patch, sorry.

greg k-h
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