linux-kernel - Re: [PATCH 1/2] genirq: Add kunit tests for depth counts

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Message-ID: <202505142327.mfHUg14q-lkp@intel.com>
Date: Wed, 14 May 2025 23:27:08 +0800
From: kernel test robot <lkp@...el.com>
To: Brian Norris <briannorris@...omium.org>,
	Thomas Gleixner <tglx@...utronix.de>
Cc: oe-kbuild-all@...ts.linux.dev, Douglas Anderson <dianders@...omium.org>,
	Tsai Sung-Fu <danielsftsai@...gle.com>,
	linux-kernel@...r.kernel.org,
	Brian Norris <briannorris@...omium.org>
Subject: Re: [PATCH 1/2] genirq: Add kunit tests for depth counts

Hi Brian,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/irq/core]
[also build test ERROR on linus/master v6.15-rc6 next-20250514]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Brian-Norris/genirq-Add-kunit-tests-for-depth-counts/20250514-065050
base:   tip/irq/core
patch link:    https://lore.kernel.org/r/20250513224402.864767-2-briannorris%40chromium.org
patch subject: [PATCH 1/2] genirq: Add kunit tests for depth counts
config: arm-randconfig-003-20250514 (https://download.01.org/0day-ci/archive/20250514/202505142327.mfHUg14q-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250514/202505142327.mfHUg14q-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/202505142327.mfHUg14q-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   arch/arm/lib/clearbit.S: Assembler messages:
>> arch/arm/lib/clearbit.S:12: Error: architectural extension `mp' is not allowed for the current base architecture
>> arch/arm/lib/clearbit.S:12: Error: selected processor does not support `pldw.w [r1]' in Thumb mode
--
   arch/arm/lib/changebit.S: Assembler messages:
>> arch/arm/lib/changebit.S:12: Error: architectural extension `mp' is not allowed for the current base architecture
>> arch/arm/lib/changebit.S:12: Error: selected processor does not support `pldw.w [r1]' in Thumb mode
--
   arch/arm/lib/testclearbit.S: Assembler messages:
>> arch/arm/lib/testclearbit.S:12: Error: architectural extension `mp' is not allowed for the current base architecture
>> arch/arm/lib/testclearbit.S:12: Error: selected processor does not support `pldw.w [r1]' in Thumb mode
   arch/arm/lib/testclearbit.S:15: Error: architectural extension `mp' is not allowed for the current base architecture
   arch/arm/lib/testclearbit.S:15: Error: selected processor does not support `pldw.w [r1]' in Thumb mode
--
   arch/arm/lib/testsetbit.S: Assembler messages:
>> arch/arm/lib/testsetbit.S:12: Error: architectural extension `mp' is not allowed for the current base architecture
>> arch/arm/lib/testsetbit.S:12: Error: selected processor does not support `pldw.w [r1]' in Thumb mode
   arch/arm/lib/testsetbit.S:15: Error: architectural extension `mp' is not allowed for the current base architecture
   arch/arm/lib/testsetbit.S:15: Error: selected processor does not support `pldw.w [r1]' in Thumb mode
--
   arch/arm/lib/testchangebit.S: Assembler messages:
>> arch/arm/lib/testchangebit.S:12: Error: architectural extension `mp' is not allowed for the current base architecture
>> arch/arm/lib/testchangebit.S:12: Error: selected processor does not support `pldw.w [r1]' in Thumb mode
   arch/arm/lib/testchangebit.S:15: Error: architectural extension `mp' is not allowed for the current base architecture
   arch/arm/lib/testchangebit.S:15: Error: selected processor does not support `pldw.w [r1]' in Thumb mode
--
   arch/arm/lib/setbit.S: Assembler messages:
>> arch/arm/lib/setbit.S:12: Error: architectural extension `mp' is not allowed for the current base architecture
>> arch/arm/lib/setbit.S:12: Error: selected processor does not support `pldw.w [r1]' in Thumb mode
--
>> arch/arm/kernel/smp.c:98:22: warning: 'get_arch_pgd' defined but not used [-Wunused-function]
    static unsigned long get_arch_pgd(pgd_t *pgd)
                         ^~~~~~~~~~~~
   /tmp/ccR1vg73.s: Assembler messages:
>> /tmp/ccR1vg73.s:470: Error: architectural extension `mp' is not allowed for the current base architecture
>> /tmp/ccR1vg73.s:471: Error: selected processor does not support `pldw [r1]' in Thumb mode
--
   arch/arm/kernel/head-nommu.S: Assembler messages:
>> arch/arm/kernel/head-nommu.S:488: Error: ARM register expected -- `str r0,[,#0x98]'
   arch/arm/kernel/head-nommu.S:495: Error: ARM register expected -- `str r0,[,#0x9c]'
>> arch/arm/kernel/head-nommu.S:495: Error: ARM register expected -- `str r5,[,#0xa0]'
   arch/arm/kernel/head-nommu.S:497: Error: ARM register expected -- `str r0,[,#0x9c]'
   arch/arm/kernel/head-nommu.S:497: Error: ARM register expected -- `str r5,[,#0xa0]'
--
   /tmp/ccPRjQyq.s: Assembler messages:
   /tmp/ccPRjQyq.s:388: Error: architectural extension `mp' is not allowed for the current base architecture
>> /tmp/ccPRjQyq.s:389: Error: selected processor does not support `pldw [r4]' in Thumb mode
   /tmp/ccPRjQyq.s:549: Error: architectural extension `mp' is not allowed for the current base architecture
   /tmp/ccPRjQyq.s:550: Error: selected processor does not support `pldw [r4]' in Thumb mode
--
   /tmp/cc0opIaH.s: Assembler messages:
   /tmp/cc0opIaH.s:1308: Error: architectural extension `mp' is not allowed for the current base architecture
>> /tmp/cc0opIaH.s:1309: Error: selected processor does not support `pldw [r3]' in Thumb mode
   /tmp/cc0opIaH.s:2474: Error: architectural extension `mp' is not allowed for the current base architecture
   /tmp/cc0opIaH.s:2475: Error: selected processor does not support `pldw [r3]' in Thumb mode
   /tmp/cc0opIaH.s:2671: Error: architectural extension `mp' is not allowed for the current base architecture
   /tmp/cc0opIaH.s:2672: Error: selected processor does not support `pldw [r3]' in Thumb mode
--
   /tmp/ccEJFH9Z.s: Assembler messages:
   /tmp/ccEJFH9Z.s:206: Error: architectural extension `mp' is not allowed for the current base architecture
>> /tmp/ccEJFH9Z.s:207: Error: selected processor does not support `pldw [r5]' in Thumb mode
   /tmp/ccEJFH9Z.s:233: Error: architectural extension `mp' is not allowed for the current base architecture
   /tmp/ccEJFH9Z.s:234: Error: selected processor does not support `pldw [r5]' in Thumb mode
   /tmp/ccEJFH9Z.s:540: Error: architectural extension `mp' is not allowed for the current base architecture
>> /tmp/ccEJFH9Z.s:541: Error: selected processor does not support `pldw [r8]' in Thumb mode
   /tmp/ccEJFH9Z.s:568: Error: architectural extension `mp' is not allowed for the current base architecture
   /tmp/ccEJFH9Z.s:569: Error: selected processor does not support `pldw [r8]' in Thumb mode
..

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SMP
   Depends on [n]: (CPU_V6K [=n] || CPU_V7 [=n]) && HAVE_SMP [=n] && (MMU [=n] || ARM_MPU [=y])
   Selected by [y]:
   - IRQ_KUNIT_TEST [=y] && KUNIT [=y]


vim +14 kernel/irq/irq_test.c

    13	
  > 14	static irqreturn_t noop_handler(int, void *)
    15	{
    16		return IRQ_HANDLED;
    17	}
    18	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki