linux-kernel - Re: [PATCH] tun: fix blocking read

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Date:   Mon, 25 Feb 2019 21:12:30 +0100
From:   Timur Celik <mail@...urcelik.de>
To:     David Miller <davem@...emloft.net>
Cc:     eric.dumazet@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tun: fix blocking read

On Mon, Feb 25, 2019 at 10:25:48AM -0800, David Miller wrote:
> From: Eric Dumazet <eric.dumazet@...il.com>
> Date: Mon, 25 Feb 2019 07:53:08 -0800
> 
>> 
>> 
>> On 02/24/2019 10:12 PM, David Miller wrote:
>>> From: Timur Celik <mail@...urcelik.de>
>>> Date: Sat, 23 Feb 2019 12:53:13 +0100
>>> 
>>>> This patch moves setting of the current state into the loop. Otherwise
>>>> the task may end up in a busy wait loop if none of the break conditions
>>>> are met.
>>>>
>>>> Signed-off-by: Timur Celik <mail@...urcelik.de>
>>> 
>>> Applied and queued up for -stable, thanks.
>>> 
>> 
>> First part of the patch was matching the changelog, however
>> the second change was not really needed, or should have used 
>> 
>> __set_current_state(TASK_RUNNING);
> 
> Timur, please followup.

Thanks for taking a look at this. Eric is right of course.