linux-kernel - Re: [PATCH 2/2] Loongarch:Support loongarch avec

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Date: Thu, 9 May 2024 05:18:08 +0800
From: kernel test robot <lkp@...el.com>
To: Tianyang Zhang <zhangtianyang@...ngson.cn>, chenhuacai@...nel.org,
	kernel@...0n.name, tglx@...utronix.de, jiaxun.yang@...goat.com,
	gaoliang@...ngson.cn, wangliupu@...ngson.cn, lvjianmin@...ngson.cn,
	yijun@...ngson.cn, mhocko@...e.com, akpm@...ux-foundation.org,
	dianders@...omium.org, maobibo@...ngson.cn, xry111@...111.site,
	zhaotianrui@...ngson.cn, nathan@...nel.org, yangtiezhu@...ngson.cn,
	zhoubinbin@...ngson.cn
Cc: oe-kbuild-all@...ts.linux.dev, loongarch@...ts.linux.dev,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Loongarch:Support loongarch avec

Hi Tianyang,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/irq/core]
[also build test WARNING on linus/master v6.9-rc7]
[cannot apply to next-20240508]
[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/Tianyang-Zhang/Loongarch-Support-loongarch-avec/20240507-210314
base:   tip/irq/core
patch link:    https://lore.kernel.org/r/20240507125953.9117-1-zhangtianyang%40loongson.cn
patch subject: [PATCH 2/2] Loongarch:Support loongarch avec
config: loongarch-randconfig-r133-20240508 (https://download.01.org/0day-ci/archive/20240509/202405090438.c1xvjipc-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240509/202405090438.c1xvjipc-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/202405090438.c1xvjipc-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/irqchip/irq-loongarch-avec.c:41:3: sparse: sparse: symbol 'loongarch_avec' was not declared. Should it be static?
   drivers/irqchip/irq-loongarch-avec.c:181:31: sparse: sparse: undefined identifier '__builtin_loongarch_csrrd_d'
   drivers/irqchip/irq-loongarch-avec.c:181:31: sparse: sparse: cast from unknown type
   drivers/irqchip/irq-loongarch-avec.c:184:31: sparse: sparse: undefined identifier '__builtin_loongarch_csrrd_d'
   drivers/irqchip/irq-loongarch-avec.c:184:31: sparse: sparse: cast from unknown type
   drivers/irqchip/irq-loongarch-avec.c:187:31: sparse: sparse: undefined identifier '__builtin_loongarch_csrrd_d'
   drivers/irqchip/irq-loongarch-avec.c:187:31: sparse: sparse: cast from unknown type
   drivers/irqchip/irq-loongarch-avec.c:190:31: sparse: sparse: undefined identifier '__builtin_loongarch_csrrd_d'
   drivers/irqchip/irq-loongarch-avec.c:190:31: sparse: sparse: cast from unknown type
   drivers/irqchip/irq-loongarch-avec.c:215:18: sparse: sparse: undefined identifier '__builtin_loongarch_csrrd_d'
   drivers/irqchip/irq-loongarch-avec.c:215:18: sparse: sparse: cast from unknown type
   drivers/irqchip/irq-loongarch-avec.c: note: in included file (through include/linux/smp.h, include/linux/percpu.h, include/linux/context_tracking_state.h, ...):
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
   drivers/irqchip/irq-loongarch-avec.c:164:6: sparse: sparse: context imbalance in 'complete_irq_moving' - different lock contexts for basic block
   drivers/irqchip/irq-loongarch-avec.c: note: in included file (through arch/loongarch/include/asm/loongarch.h, arch/loongarch/include/asm/cpu-info.h, ...):
   ../lib/gcc/loongarch64-linux/13.2.0/include/larchintrin.h:294:30: sparse: sparse: undefined identifier '__builtin_loongarch_iocsrrd_d'
   ../lib/gcc/loongarch64-linux/13.2.0/include/larchintrin.h:294:11: sparse: sparse: cast from unknown type
   ../lib/gcc/loongarch64-linux/13.2.0/include/larchintrin.h:332:3: sparse: sparse: undefined identifier '__builtin_loongarch_iocsrwr_d'

vim +/loongarch_avec +41 drivers/irqchip/irq-loongarch-avec.c

    35	
    36	struct loongarch_avec_chip {
    37		struct fwnode_handle	*fwnode;
    38		struct irq_domain	*domain;
    39		struct irq_matrix	*vector_matrix;
    40		raw_spinlock_t		lock;
  > 41	} loongarch_avec;
    42	

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