linux-kernel - Re: [PATCH 3.17-rc4 v2 0/2] trace: kdb: Bug fixes for ftdump

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Message-ID: <5422DEBE.70503@linaro.org>
Date:	Wed, 24 Sep 2014 16:09:50 +0100
From:	Daniel Thompson <daniel.thompson@...aro.org>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	patches@...aro.org, linaro-kernel@...ts.linaro.org,
	John Stultz <john.stultz@...aro.org>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	kgdb-bugreport@...ts.sourceforge.net,
	Jason Wessel <jason.wessel@...driver.com>
Subject: Re: [PATCH 3.17-rc4 v2 0/2] trace: kdb: Bug fixes for ftdump

On 24/09/14 16:07, Steven Rostedt wrote:
> Is Jason Wessel still actively maintaining this?

He still maintaining kgdb and kdb although he is not in MAINTAINERS for
this particular file (perhaps he should be?).


> I'd like an acked-by from the KDB maintainer before pulling this.

Makes sense.


> 
> Thanks!
> 
> -- Steve
> 
> 
> On Wed, 24 Sep 2014 11:32:59 +0100
> Daniel Thompson <daniel.thompson@...aro.org> wrote:
> 
>> This patchset makes it possible to use kdb's ftdump command without
>> panicing, crashing or livelocking.
>>
>> Changes since v1:
>>
>> * Fixed use-after-free problems in v1 by adding logic to NULL out
>>   buffer_iter during free operations.
>>
>> * Introduced a second patch to fix a live lock when trying to display
>>   an empty trace buffer.
>>
>>
>> Daniel Thompson (2):
>>   trace: kdb: Fix kernel panic during ftdump
>>   trace: kdb: Fix kernel livelock with empty buffers
>>
>>  kernel/trace/trace_kdb.c | 21 +++++++++++++--------
>>  1 file changed, 13 insertions(+), 8 deletions(-)
>>
>> --
>> 1.9.3
> 

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