linux-kernel - Re: [PATCH] locktorture: fix wrong parameter handling

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Message-ID: <5617D4FD.3030803@de.ibm.com>
Date:	Fri, 9 Oct 2015 16:53:49 +0200
From:	Christian Borntraeger <borntraeger@...ibm.com>
To:	paulmck@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] locktorture: fix wrong parameter handling

Am 09.10.2015 um 16:46 schrieb Paul E. McKenney:
> On Fri, Oct 09, 2015 at 02:14:45PM +0200, Christian Borntraeger wrote:
>> Calling locktorture with a wrong parameter makes it
>> unusable:
>>
>> $ modprobe locktorture torture_type=help
>> modprobe: ERROR: could not insert 'locktorture': Invalid argument
>>
>> $ modprobe locktorture torture_type=spin_lock
>> modprobe: ERROR: could not insert 'locktorture': Device or resource busy
>>
>> $ dmesg
>> [...]
>> torture_init_begin: refusing spin_lock init: help running
>>
>> We can easily do the checking before call into the torture framework.
>>
>> Signed-off-by: Christian Borntraeger <borntraeger@...ibm.com>
> 
> Good catch, thank you!
> 
> Could you please port this to rcu/next in the -rcu tree?  Also, please
> capitalize the word following the ":" in the subject line, as in "[PATCH]
> locktorture: Fix wrong parameter handling".

Hmmm, seems that this is already fixed in rcu/next with

commit a36a99618b1adb2d6ca0b7e08e3a656a04e477fe
Author:     Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
AuthorDate: Sun Aug 30 20:01:48 2015 -0700
Commit:     Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
CommitDate: Tue Oct 6 11:28:44 2015 -0700

    locktorture: Fix module unwind when bad torture_type specified
    

No need to respin a patch it seems :-)


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