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X-CSE-ConnectionGUID: GWtgiq0DSPCkgH3txiITcg== X-CSE-MsgGUID: S0JoU+/VSY6mnczn+19htQ== X-IronPort-AV: E=McAfee;i="6800,10657,11618"; a="64670250" X-IronPort-AV: E=Sophos;i="6.19,317,1754982000"; d="scan'208";a="64670250" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2025 18:52:14 -0800 X-CSE-ConnectionGUID: CWBNGojCRMOnXSHF6LW5xg== X-CSE-MsgGUID: lcNSHRC5RCSqKCzgJeRr6w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,317,1754982000"; d="scan'208";a="222164003" Received: from lkp-server01.sh.intel.com (HELO adf6d29aa8d9) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 19 Nov 2025 18:52:09 -0800 Received: from kbuild by adf6d29aa8d9 with local (Exim 4.96) (envelope-from ) id 1vLumF-0003Y7-0q; Thu, 20 Nov 2025 02:52:07 +0000 Date: Thu, 20 Nov 2025 10:51:50 +0800 From: kernel test robot To: Bibo Mao , Paolo Bonzini , Huacai Chen , WANG Xuerui , Peter Zijlstra , Ingo Molnar , Will Deacon , Boqun Feng , Waiman Long , Juergen Gross , Ajay Kaher , Alexey Makhalov , Broadcom internal kernel review list Cc: oe-kbuild-all@lists.linux.dev, kvm@vger.kernel.org, loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, virtualization@lists.linux.dev, x86@kernel.org Subject: Re: [PATCH 2/3] LoongArch: Add paravirt support with vcpu_is_preempted() Message-ID: <202511201009.WLpYNMAM-lkp@intel.com> References: <20251118080656.2012805-3-maobibo@loongson.cn> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251118080656.2012805-3-maobibo@loongson.cn> Hi Bibo, kernel test robot noticed the following build errors: [auto build test ERROR on 6a23ae0a96a600d1d12557add110e0bb6e32730c] url: https://github.com/intel-lab-lkp/linux/commits/Bibo-Mao/LoongArch-KVM-Add-preempt-hint-feature-in-hypervisor-side/20251118-161212 base: 6a23ae0a96a600d1d12557add110e0bb6e32730c patch link: https://lore.kernel.org/r/20251118080656.2012805-3-maobibo%40loongson.cn patch subject: [PATCH 2/3] LoongArch: Add paravirt support with vcpu_is_preempted() config: loongarch-randconfig-r052-20251120 (https://download.01.org/0day-ci/archive/20251120/202511201009.WLpYNMAM-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251120/202511201009.WLpYNMAM-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202511201009.WLpYNMAM-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/loongarch/kernel/paravirt.c:346:14: error: redefinition of 'vcpu_is_preempted' 346 | bool notrace vcpu_is_preempted(int cpu) | ^ include/linux/sched.h:2263:20: note: previous definition is here 2263 | static inline bool vcpu_is_preempted(int cpu) | ^ >> arch/loongarch/kernel/paravirt.c:348:9: error: use of undeclared identifier 'mp_ops' 348 | return mp_ops.vcpu_is_preempted(cpu); | ^ 2 errors generated. vim +/vcpu_is_preempted +346 arch/loongarch/kernel/paravirt.c 345 > 346 bool notrace vcpu_is_preempted(int cpu) 347 { > 348 return mp_ops.vcpu_is_preempted(cpu); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki