Re: [PATCH v5 02/12] KVM: arm64: PMU: Set the default PMU for the guest on vCPU reset

From: kernel test robot <lkp@intel.com>
To: Raghavendra Rao Ananta <rananta@google.com>,
	Oliver Upton <oliver.upton@linux.dev>,
	Marc Zyngier <maz@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	Alexandru Elisei <alexandru.elisei@arm.com>,
	James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Shaoqin Huang <shahuang@redhat.com>,
	Jing Zhang <jingzhangos@google.com>,
	Reiji Watanabe <reijiw@google.com>,
	Colton Lewis <coltonlewis@google.com>,
	Raghavendra Rao Anata <rananta@google.com>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH v5 02/12] KVM: arm64: PMU: Set the default PMU for the guest on vCPU reset
Date: Thu, 17 Aug 2023 13:03:28 +0800	[thread overview]
Message-ID: <202308171212.KW8LnRRC-lkp@intel.com> (raw)
In-Reply-To: <20230817003029.3073210-3-rananta@google.com>

Hi Raghavendra,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 2ccdd1b13c591d306f0401d98dedc4bdcd02b421]

url:    https://github.com/intel-lab-lkp/linux/commits/Raghavendra-Rao-Ananta/KVM-arm64-PMU-Introduce-a-helper-to-set-the-guest-s-PMU/20230817-083353
base:   2ccdd1b13c591d306f0401d98dedc4bdcd02b421
patch link:    https://lore.kernel.org/r/20230817003029.3073210-3-rananta%40google.com
patch subject: [PATCH v5 02/12] KVM: arm64: PMU: Set the default PMU for the guest on vCPU reset
config: arm64-randconfig-r032-20230817 (https://download.01.org/0day-ci/archive/20230817/202308171212.KW8LnRRC-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230817/202308171212.KW8LnRRC-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308171212.KW8LnRRC-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/arm64/kernel/asm-offsets.c:16:
   In file included from include/linux/kvm_host.h:45:
   In file included from arch/arm64/include/asm/kvm_host.h:37:
>> include/kvm/arm_pmu.h:176:62: warning: declaration of 'struct arm_pmu' will not be visible outside of this function [-Wvisibility]
     176 | static inline int kvm_arm_set_vm_pmu(struct kvm *kvm, struct arm_pmu *arm_pmu)
         |                                                              ^
   1 warning generated.
--
   In file included from arch/arm64/kernel/asm-offsets.c:16:
   In file included from include/linux/kvm_host.h:45:
   In file included from arch/arm64/include/asm/kvm_host.h:37:
>> include/kvm/arm_pmu.h:176:62: warning: declaration of 'struct arm_pmu' will not be visible outside of this function [-Wvisibility]
     176 | static inline int kvm_arm_set_vm_pmu(struct kvm *kvm, struct arm_pmu *arm_pmu)
         |                                                              ^
   1 warning generated.

vim +176 include/kvm/arm_pmu.h

   175	
 > 176	static inline int kvm_arm_set_vm_pmu(struct kvm *kvm, struct arm_pmu *arm_pmu)
   177	{
   178		return -ENODEV;
   179	}
   180	

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

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