linux-kernel - Re: [PATCH 1/3] selftests: lib.mk: Do not process TEST_GEN_MODS

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Message-ID: <d984977f-b7ad-44b9-82dd-27aeb2fad592@linuxfoundation.org>
Date: Wed, 21 Feb 2024 14:12:00 -0700
From: Shuah Khan <skhan@...uxfoundation.org>
To: Marcos Paulo de Souza <mpdesouza@...e.com>
Cc: kernel test robot <lkp@...el.com>, Josh Poimboeuf <jpoimboe@...nel.org>,
 Jiri Kosina <jikos@...nel.org>, Miroslav Benes <mbenes@...e.cz>,
 Petr Mladek <pmladek@...e.com>, Joe Lawrence <joe.lawrence@...hat.com>,
 oe-kbuild-all@...ts.linux.dev, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org, live-patching@...r.kernel.org,
 Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 1/3] selftests: lib.mk: Do not process TEST_GEN_MODS_DIR

On 2/21/24 05:26, Marcos Paulo de Souza wrote:
> On Tue, 20 Feb 2024 17:19:54 -0700 Shuah Khan <skhan@...uxfoundation.org> wrote:
> 
>> On 2/19/24 06:53, Marcos Paulo de Souza wrote:
>>> On Mon, 19 Feb 2024 09:15:15 -0300 Marcos Paulo de Souza <mpdesouza@...e.com> wrote:
>>>
>>>> On Mon, 19 Feb 2024 14:35:16 +0800 kernel test robot <lkp@...el.com> wrote:
>>>>
>>>>> Hi Marcos,
>>>>>
>>>>> kernel test robot noticed the following build errors:
>>>>>
>>>>> [auto build test ERROR on 345e8abe4c355bc24bab3f4a5634122e55be8665]
>>>>>
>>>>> url:    https://github.com/intel-lab-lkp/linux/commits/Marcos-Paulo-de-Souza/selftests-lib-mk-Do-not-process-TEST_GEN_MODS_DIR/20240216-021601
>>>>> base:   345e8abe4c355bc24bab3f4a5634122e55be8665
>>>>> patch link:    https://lore.kernel.org/r/20240215-lp-selftests-fixes-v1-1-89f4a6f5cddc%40suse.com
>>>>> patch subject: [PATCH 1/3] selftests: lib.mk: Do not process TEST_GEN_MODS_DIR
>>>>> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
>>>>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240219/202402191417.XULH88Ct-lkp@intel.com/reproduce)
>>>>>
>>>>> If you fix the issue in a separate patch/commit (i.e. not just a new version of
>>>>> the same patch/commit), kindly add following tags
>>>>> | Reported-by: kernel test robot <lkp@...el.com>
>>>>> | Closes: https://lore.kernel.org/oe-kbuild-all/202402191417.XULH88Ct-lkp@intel.com/
>>>>>
>>>>> All errors (new ones prefixed by >>):
>>>>>
>>>>>>> make[3]: *** /lib/modules/5.9.0-2-amd64/build: No such file or directory.  Stop.
>>>>
>>>> We should ask the kernel test robot machine owners to install kernel-devel
>>>> package in order to have this fixed.
>>>
>>> Or maybe ask them to change the reproducer to specify KDIR to the git tree,
>>> instead of /lib/modules/?
>>>
>>
>> This would be a regression to automated test rings. Do you have any other
>> solutions?
> 
> I would say that we could skip the these tests if kernel-devel package is not
> installed. Would it be acceptable? At least we would avoid such issues like this
> in the future as well.
> 

We have to check and skip build. Something we could do in the livepatch
Makefile. Can you send patch for this - I will oull this in for next
so we don't break test rings.

thanks,
-- Shuah