linux-kernel - Re: [PATCH v6] cpuidle, ACPI: Evaluate LPI arch

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Date:   Fri, 15 Sep 2023 11:39:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     Oza Pawandeep <quic_poza@...cinc.com>, sudeep.holla@....com,
        catalin.marinas@....com, will@...nel.org, rafael@...nel.org,
        lenb@...nel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev,
        Oza Pawandeep <quic_poza@...cinc.com>
Subject: Re: [PATCH v6] cpuidle, ACPI: Evaluate LPI arch_flags for broadcast
 timer

Hi Oza,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.6-rc1 next-20230915]
[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/Oza-Pawandeep/cpuidle-ACPI-Evaluate-LPI-arch_flags-for-broadcast-timer/20230915-025307
base:   linus/master
patch link:    https://lore.kernel.org/r/20230914184840.649412-1-quic_poza%40quicinc.com
patch subject: [PATCH v6] cpuidle, ACPI: Evaluate LPI arch_flags for broadcast timer
config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20230915/202309151138.69mFCPtW-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230915/202309151138.69mFCPtW-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/202309151138.69mFCPtW-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/arm64/kernel/setup.c:36:
>> arch/arm64/include/asm/acpi.h:60: warning: "arch_update_idle_state_flags" redefined
      60 | #define arch_update_idle_state_flags _arch_update_idle_state_flags
         | 
   In file included from arch/arm64/kernel/setup.c:9:
   include/linux/acpi.h:1484: note: this is the location of the previous definition
    1484 | #define arch_update_idle_state_flags(af, sf)    do {} while (0)
         | 


vim +/arch_update_idle_state_flags +60 arch/arm64/include/asm/acpi.h

    53	
    54	static __always_inline void _arch_update_idle_state_flags(u32 arch_flags,
    55								unsigned int *sflags)
    56	{
    57		if (arch_flags & CPUIDLE_CORE_CTXT)
    58			*sflags |= CPUIDLE_FLAG_TIMER_STOP;
    59	}
  > 60	#define arch_update_idle_state_flags _arch_update_idle_state_flags
    61	

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