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Date:	Thu, 10 Jul 2014 11:55:58 +0200
From:	Jens Axboe <>
To:	Philipp Reisner <>
Subject: Re: [PATCH] drbd: fix regression 'out of mem, failed to invoke fence-peer

On 2014-07-10 11:53, Philipp Reisner wrote:
> Am Donnerstag, 10. Juli 2014, 11:07:22 schrieb Jens Axboe:
>> On 2014-07-09 21:18, Philipp Reisner wrote:
>>> From: Lars Ellenberg <>
>>> Since linux kernel 3.13, kthread_run() internally uses
>>> wait_for_completion_killable().  We sometimes may use kthread_run()
>>> while we still have a signal pending, which we used to kick our threads
>>> out of potentially blocking network functions, causing kthread_run() to
>>> mistake that as a new fatal signal and fail.
>>> Fix: flush_signals() before kthread_run().
>> Applied - should this have been marked stable, if it affects 3..13+ kernels?
> Yes, you are right. It should go to the stable kernels since 3.13 as
> well.

Alright, we'll have to notify Greg/stable when it goes in.

> What is the correct way for me to mark it as stable when sending a patch?

You just add a:


where the signed-off-by is. If you know the versions it should be 
applied to, you can add that information as well. For this case, you 
would have done:

Cc: # v3.13+

to get it into 3.13 stable and later.

Jens Axboe

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