linux-kernel - Re: [sched/balance] INFO: possible recursive locking detected

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 13 Mar 2014 17:00:11 +0800
From:	Alex Shi <alex.shi@...aro.org>
To:	Fengguang Wu <fengguang.wu@...el.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [sched/balance] INFO: possible recursive locking detected

On 03/13/2014 04:53 PM, Fengguang Wu wrote:
> On Thu, Mar 13, 2014 at 03:43:11PM +0800, Alex Shi wrote:
>> On 03/03/2014 10:25 PM, Fengguang Wu wrote:
>>> Greetings,
>>>
>>> I got the below dmesg and the first bad commit is
>>>
>>> https://github.com/alexshi/power-scheduling.git single-balance.bak
>>> commit 2adc591a5cb6768ad11e63be9011906aa171148d
>>> Author:     Alex Shi <alex.shi@...aro.org>
>>> AuthorDate: Fri Feb 28 15:25:09 2014 +0800
>>> Commit:     Alex Shi <alex.shi@...aro.org>
>>> CommitDate: Sun Mar 2 09:16:38 2014 +0800
>>>
>>>     sched/balance: replace new_idle_balance
>>>     
>>>     Curren idle_balance will pull task on half of this group. That is
>>>     not needed in central balance.
>>
>>
>> Thanks for your testing, Fengguang!
>>
>> I fixed this issue and updated to the git tree. Is the single-balance
>> branch still in your performance radar? :)
> 
> Sure, however you know it's costly to queue tests for one single tree.
> If your trees are directly based on -rcX kernels, that would cut the
> tests required for comparison by half.

Thanks a lot! I will keep in mind for this point.
rebased on rc6 kernel for that branch. :)

Thanks again for generous help!

-- 
Thanks
    Alex
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/