linux-kernel - Re: [PATCH] ftrace: Simplify ring buffer resizing, make work with RT

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Message-ID: <536D0B9B.8070906@mvista.com>
Date:	Fri, 09 May 2014 12:08:43 -0500
From:	Corey Minyard <cminyard@...sta.com>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>, minyard@....org
CC:	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ftrace: Simplify ring buffer resizing, make work with
 RT

On 05/09/2014 08:12 AM, Sebastian Andrzej Siewior wrote:
> * minyard@....org | 2014-05-08 15:03:22 [-0500]:
>
>> This isn't well tested, but fixes an obvious PREEMPT_RT problem and seems
>> like a good simplification.  You can see the PREEMPT_RT bug if you enable
>> ftrace and all the self tests; it will fail running selftests when it tries
>> to resize the buffers.
> I posted http://marc.info/?l=linux-rt-users&m=139962823022896&w=2 before
> I noticed this one. You seem not to touch the second hunk.
>
> Sebastian
That's a good solution, too.  I didn't notice the second hunk in my testing.

Thanks,

-corey
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