linux-kernel - Re: [kbuild-all] Re: drivers/net/wireless/ti/wlcore/main.c:700:9: sparse: sparse: context imbalance in 'wlcore_irq'

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Message-ID: <a817204f-8b4d-339f-6e22-701ed189795b@intel.com>
Date:   Thu, 20 Aug 2020 08:34:37 +0800
From:   "Chen, Rong A" <rong.a.chen@...el.com>
To:     Tony Lindgren <tony@...mide.com>, kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Kalle Valo <kvalo@...eaurora.org>
Subject: Re: [kbuild-all] Re: drivers/net/wireless/ti/wlcore/main.c:700:9:
 sparse: sparse: context imbalance in 'wlcore_irq' - different lock contexts
 for basic block



On 8/17/2020 6:28 PM, Tony Lindgren wrote:
> Hi,
>
> * kernel test robot <lkp@...el.com> [200811 11:55]:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   00e4db51259a5f936fec1424b884f029479d3981
>> commit: 35fba0f0fd762a8b87d403ae3c723e0061c4aa25 wlcore: Use spin_trylock in wlcore_irq() to see if we need to queue tx
>> date:   4 weeks ago
>> config: mips-randconfig-s032-20200811 (attached as .config)
>> compiler: mips64-linux-gcc (GCC) 9.3.0
>> reproduce:
>>          wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>>          chmod +x ~/bin/make.cross
>>          # apt-get install sparse
>>          # sparse version: v0.6.2-168-g9554805c-dirty
>>          git checkout 35fba0f0fd762a8b87d403ae3c723e0061c4aa25
>>          # save the attached .config to linux build tree
>>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=mips
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@...el.com>
>>
>>
>> sparse warnings: (new ones prefixed by >>)
>>
>>     drivers/net/wireless/ti/wlcore/main.c:643:34: sparse: sparse: context imbalance in 'wlcore_irq_locked' - different lock contexts for basic block
>>>> drivers/net/wireless/ti/wlcore/main.c:700:9: sparse: sparse: context imbalance in 'wlcore_irq' - different lock contexts for basic block
> I tried to reproduce this with cross compiling for ARM using sparse-0.6.2,
> but don't see any similar warnings.
>
> Is this only happening on mips for some reason?
>
> Regards,
>
> Tony
>

Hi Tony,

Sorry for the inconvenience, please ignore this report,
there is something wrong in the bot.

Best Regards,
Rong Chen